Ttn uplink

ZFS Compression Performance Lz4 Gzip 7 Off Time

This is including the ACKs for confirmed uplinks. 0. Payload [bytes] 0 SF10 / 125kHz 980 11 1 SF9 / 125kHz 1760 53 2 SF8 / 125kHz 3125 125 3 SF7 / 125kHz 5470 242 4 SF8 / 500 kHz 12500 242 See Tables 11 and 14 in “LoRaWAN-Regional-Parameters-v1. g. 2 Add Payload format in TTN In TTN, use can add a custom payload so it shows friendly. 1. 2. Select Gateways and then click on register If I do this the output from the ttn uplink node is msg. FD h lr thrhpt prfrn nd ntll th vrll plxt FD. PPR nt b fr dnln b ttn ttnr nd d nt rr bttr. Nov 10, 2017 · Following upload there was a short delay before the device successfully registered on the network via OTAA and then data was sent via uplink at 60 second intervals. I use the range function in nodered. 8 – SF7BW125 to SF10BW125 917. the server shortly after the end-device has sent an uplink transmission. Download freq (MHz) SPREADING FACTOR & BANDWIDTH RANGE Uplink channels 0-8 (RX1) TTN provides an excellent platform to move your node data to the cloud TTN enables simple data access with a Node. If you have a Waspmote v12, Waspmote Plug & Sense! v12 or Meshlium v3. 3. #notbad @thethingsntwrk @apeldoornit @gem_apeldoorn" LoRaWAN& The Things Network (TTN) A Global IoT Community Network IETF106GAIA These materials, originally developed by Jonathan Brewer for nsrc. **LGT-92-AA:** Disable the charge circuit to get the lowest power consumption and power directly by AA batteries. This integration uses one certificate to publish messages for all devices. amberg@fhnw. Register for a The-Things-Network (TTN) account. This is an example integration of The Things Network with AWS IoT. For the next step, I basically followed the GPRS/3G guide on the TTN Wiki which boils down to: From the inputs, drag a ttn uplink node onto the flow. The Once registered, you'll be taken to the TTN console where you register Gateway's and Applications, monitor Device activity and set uplinks to push the data to other services. In our main program we can see that all measured data is concatenated into a space-separated string: Jun 09, 2017 · Edit the lines with the “appeui” and the “appkey” values that you can find in the Device Overview on the TTN Console. •Purchased E-BAMs for NV and ID. Then, go to the Apr 15, 2017 · A few weekends ago I decided to create a test node for the The Things Network (TTN) gateway in Sydney and purchased a RFM95W 915MHz LoRa Transceiver module hoping to hook it up to an Arduino using a port of the LMiC (LoraWAN-in-C, formerly LoraMAC-in-C) framework provided by IBM. Python SDK. Uplink messages management. An uplink is the last network segment connecting the local site to a network. 168. TN. After creating a TTN application, you need to add devices to the application so that your code on the devices can talk to TTN. With the first run of the script the object names and values are retrieved and virtual devices are created in Homeseer. fab_lab Fernsehturm. The Libelium LoRaWAN module has been integrated into the main sensor lines Waspmote and Plug & Sense!, however it has also been ported to Arduino and Raspberry Pi, so now you can create your own Low Power Wide Area Network (LPWAN) networks. Images from the spec are on the ttn thread. • For downlinks the same 8 channels are used for receive slot 1 (RX1) and one channel for receive slot 2 (RX2). The TTN network server is located in the cloud and the gateways act as simple packet forwarders. 525MHz), the maximum transmission power is limited to 0. RunKit notebooks are interactive javascript playgrounds connected to a complete node environment right in your browser. still hoping, markus. LoRa- (Long Range) Network and Protocol Architecture with Its Frame May 02, 2017 · LPWA Technology Security Comparison A White Paper from Franklin Heath Ltd 02 May 2017 Page 1 of 20 Abstract In this report we compare and contrast the security features of five of the latest Low-Power Wide Area TP-Link is the world's #1 provider of consumer WiFi networking devices, shipping products to over 170 countries and hundreds of millions of customers. Configuring the TTN Application in Node-RED. Embedded C library for The Things Gateway and Linux-based gateways to connect to The Things Network The Things Network Client - 2. That might be a problem during testing. Double-clicking it will bring up a property sheet for it on the right. I've created a new application on TTN Dashboard. (BCCL), India’s largest media services conglomerate. THE THINGS NETWORK (TTN) FAIR USE • If you use The Things Network (free public community LoRaWAN network), the following fair use policy applies: • The uplink airtime is limited to 30 seconds per day (24 hours) per node. TheThingsNetwork TTN decrypt payload. First, we're going to register an account with TTN. This is described in one of the example timing diagrams in the spec. Uplink. The Things Network Example Integration with AWS IoT. Confirm that uplink messages are being converted from bytes to JSON and being sent to the AWS IoT Core service by using the MQTT Test client. when i open the serial monitor it keeps giving me this messgae : LoRaWAN Gateway + Seeeduino Motes: This project will let you connect a device to the internet where there is no internet. Drone assisted TTN deployment and mapping in remote areas Luka Mustafa, Institute IRNAS, FABRIKOR 3G or other uplink • PoE or solar powered • Mounted on a May 16, 2019 · Finally, aftertrying for a long time, I’ve managed to get the payload function working in The Things network console. Uplink Data Converter. No problem, our URL is enough flexible to let you configure the uplink service. This is the official Twitter channel of the @thethingsntwrk community #RheinSieg. This report contains the Overview and KPI details of the selected eNodeB. You can configure the URL, the HTTP method (e. Confirm that the LoPy device is present in both the AWS IoT and TTN consoles. Sending an uplink frame. To do this, navigate to the TTN Console web page. Uplink Converter is basically a user defined function with the following 2. • For uplinks there are 8 channels to use. But now i want to see the data in debug module. But deploying LoRa network server based on TTN is cumbersome, which is not conducive to agile deployment and development. What to expect:– Presentation from Johan Stokking, co-founder and tech-lead of The Things Network– LoRaWAN deep dive through QnA– Getting started/going pro with The Things Network workshop For whom?This event is for both beginners and experts. 2. js environment and already has all of npm’s 400,000 packages pre-installed, including ttn-azure-iothub with all npm packages installed. The HTTP Integration allows you to send uplink data to an endpoint and receive downlink data over HTTP. Nov 5, 2016 Automatically register new TTN nodes as devices in an Azure IoT Hub Pass D2C (uplink) telemetry and pass C2D (downlink) commands  Aug 17, 2016 Set Retransmissions for uplink confirmed packet OK The backend I am using is over The Things Network (TTN), and I have been provided  An enterprise grade LoRaWAN backend from the makers of The Things Network. (Like frequency, SF and so on. com or post the problems on the TTN forum (Special thanks to @CurlyWurly). LoRa network. (TTN freq. Size(bytes) 2 2 2 2 1 Value ACI1 Current ACI2 Current AVI1 voltage AVI2 voltage * (see below) * is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. 1% and 1. Confirm that your LoPy4 device is being activated and is sending uplink messages in the TTN console. How to: stream IoT packets from The Things Network (TTN) to Microshare. In the wiki of TTN is written: […] To determine the optimal data rate, the network needs some measurements (uplink messages). Requirements. The HTTP Integration allows you to send uplink data to an endpoint and Coding rate that was used "gateways": [ { "gtw_id": "ttn-herengracht-ams", // EUI of the  TTN Router. Once registered, you'll be taken to the TTN console where you register Gateway's and Applications, monitor Device activity and set uplinks to push the data to other services. Next to read: The TNPAWS application has moved to a new location. Please bookmark this new site location. 11x more powerful than the Wilson Pro 70 Plus in the uplink power. The constructor returns an MQTTClient object set up with your application informations, ready for connection. No surprise that traditional telecom providers like Swisscom trying to monetize the 'Internet of Things' area. The method to work with other LoRaWAN is similar. My wish for 2019 was to create a proof of concept around LoraWAN with IOTA. ttn-gateway-connector . Check if enable the LoRaWAN service. Feb 21, 2019 · In this session, we will discuss how to manage LoRaWAN uplink & downlink messages using TTN & Ubidots in just a few clicks. ALso the TTN MQTT APIs also provide a means to get callback messages wherever an uplink or downlink message is sent fto/from the gateways that we have setup. In other cases, there is no or very weak connectivity (e. Screenshots considered fair use. Limabora: A smart Farming Case Using LoRa modules, Gateway, TTN and Firebase Leonard Mabele, MSc, B. Oct 17, 2019 · It' now time to do a little bit deeper on uplink and downlink. // TTN uses SF9 for its RX2 window. svg' to '. Why TTN can't receive the data. 2 – SF7BW125 to SF10BW125 917. To be able to exchange data with the TTN server, you need a node (you Fipy) and a gateway. In the present work, we design and implement a multi-hop uplink solution compatible with the LoRaWAN specification, which can act as an extension to already deployed gateways. Btw, well done on an awesome project. Create a . . Are you happy with your logging solution? Would you help us out by taking a 30-second survey? You bring your own laptop. There are 2 ways for a device to authenticate with TTN. Welcome back to the IoT hacking playground at ThingForward! From our last four blog post you should be familiar with building, testing & flashing embedded projects using PlatformIO, and its powerful features like Unit Testing and Remote and Continuous Integration applications by using TravisCI. To conform to the TTN plan we need to change the default uplink channel set for AU915. Create gateway. This page shows the current status of The Things Network services that are operated by the core team of The Things Network Foundation. The TTN (The Things Network), a global community of people over 84 countries, is building a global Internet of Things data network based on LoraWAN. thethingsnetwork. Learn how to setup your SODAQ ONE V3 board to manage Uplink and Downlink messages with Ubidots using TTN as LoRaWAN network server. There are Uplink and Downlink data converters. For more information, write us on iotvigyan@gmail. The rest of the parameters (App Key, and App EUI) are automatically assigned by TTN. November 8, 2017 by Norwin Roosen Leave a Comment. LGT-92-AA: Disable the charge circuit to get the lowest power consumption and power directly by 2 x 1. First I create an Account at https://www. The Things Network fair use policy However, do note that because TTN is a free server, it puts stricter restrictions on data rates for both uplink and downlink. Downlink communications from the server at any other time will have to wait until the next scheduled uplink. it/CyW) to set up an account. A MAX32620FTHR managed, solar-charged, battery-powered hub of I2C sensors that publishes data to a web dashboard from remote locations. 16 Downlink des de l'aplicació TTN al node. 0% duty cycle per day depending on the channel. If you have any problem with this project,you can connact us by support@dragino. A TTN device can use 30 seconds of uplink time per day, per device. Paste the DECODER script in the TTN « decoder » section then click on save payload functions button . Jun 21, 2019 Both stats and uplink packages differ in format (Loraserver uses protobuff and RAK . The things connected network is now part of The Things Network (TTN) so if you register your device on the TTN network it will use the things connected gateways and you can use the features of the TTN to send downlink messages. Every npm module pre-installed. Data Converters is a part of the Platform Integrations feature. RPMA’s uplink capacity cann support up to 2 million devices per tower. May 28, 2019 · The payload comes from TTN Node via TTN uplink function in nodered. Jun 12, 2018 · Hi John. Hvr, bl r n bttr thrfr bttr lf n f th bt fr th. About This Site. Uplink des del node a l'aplicació a TTN. 5v AA battery. Check the version of LG02. Then, I've added a new device to the application - ABP type - and copied DevEUI, AppEUI, DevAddr, ArtSKey and NwkSKey into my program. The bird is LoraWan kit made By: Custom LoRa Radio Shield for WeMos D1 mini with RFM95 868Mhz Original WeMos D1 mini Pro board based on ESP8266 SoC Original WeMos OLED Display 64x48 3 dBi SMA Antenna for 868 Easier to coordinate with DTT use than conventional uplink and downlink operation within the band eMBMS as LTE broadcast technology can complement or in the more distant future even replace DVB-T for terrestrial TV distribution in supplemental downlink capacity Downlink Uplink Supplemental Downlink 470 MHz 694 MHz 700 800 900 Uplink und Downlink The Things Network Client. Number of messages ( DownLink). GitHub Gist: star and fork htdvisser's gists by creating an account on GitHub. Remove the “$$” and replace the code using info defined in TTN - remember that in TTN, you can only switch the device from OTAA to ABP after you have saved the device in TTN!!! Once the device has been changed to “ABP”, you will then see the 3 codes in the console that you need Uplink Transformation When our station makes a new measurement we want to make the data to be sent as small as possible. com. This is a very simple monitoring application to check the status of The Things Network gateways. First, list the available frequency plans: 113990756 Seeed Studio LHT65 LoRaWAN Temperature & Humidity Sensors are long range devices with built-in SHT20 sensors and external sensor connectors. In Node Red how do I extract the individual bytes from the array? buffer node-red lora The latest Tweets from TTN Apeldoorn (@TTNApeldoorn): "Our Gateways are ranked 18, 21 and 31 in handeling uplink packets of 15261 TTN connected gateways. It is a little complex though due to recent changes on thingsConnected (Good ones) it is now possible. 8 – SF7BW125 to SF10BW125 918. Sep 11, 2017 · In this video you will learn how to send a downlink over The Things Network to The Things Uno. Full duplex gateways based on bi-directional SDR principles accompanies with 3 × 120-degree sector antennas and self-designed SDR Hello everyone! I was trying to send a signal of moisture sensor to the things network using an AtMega2560 and a RFM95W I found a code on mobilefish website , did the changes that was suggested to the code and the pin maping and still cant connect to the TTN. GitHub Gist: instantly share code, notes, and snippets. LoRa radios can send and receive data 6-10 miles away usually, less if there are many occlusions, and much further on a clear day with a line of sight. From LTE Cell Availability report, click any eNodeB value from the EUtranCell Details - <eNodeB> widget. js Application SDK for The Things Network to receive activations and messages from IoT devices via The Things Network and send messages as well. On node-side, I've a STM32L152 together with SX1276 shield. Configuring your application from their documentation is the authority. In the TTN Console, click on the applications tab and Jun 22, 2017 · Learning LoRaWAN Basics Repeating the IoTUK Boost workshop and looking at LoRaWAN in further detail. A monitor for The Things Network gateways. We introduced SSL for the test uplink so there is no difference when using LoRa devices. Jun 26, 2018 · Setting up an application with The Things Network (TTN) Applications are used to group a collection of device’s that have similar functions. In the future, we hope to build our own server and use MQTT for more reliable data transmission. NovAtel's OEM GNSS receiver platform offers multi-constellation, multi-frequency tracking and features flexibility, low power consumption, field upgradeable software and comprehensive message suites for ease of configuration and data logging. The appliance monitors the state of the uplink and, based on this, selects the appropriate uplink for a packet. Python is powerful, and fast; plays well with others; runs everywhere; is friendly & easy to learn; is Open. I created an extra TTN access key for Node-RED. Now, stop here for a while. If there is a gateway close enough you can use that one. Symphony Link is for industrial and enterprise users who need advanced features. node-red npm install node-red-contrib-ttn. The recommended and more secure way is called over-the-air-activation, or OTAA. Abstract Internet of Things (IoT) has dominated the tech space headlines for the past five months here in Kenya. Aug 01, 2018 · Solar-Powered Environmental Sensor Hub with LoRaWAN Uplink. POST) and optionally the HTTP Authorization header of your endpoint but also a custom HTTP header of your choice. On the Arduino side, every time a packet has been successfully sent, you'll see a message containing "EV_TXCOMPLETE" on the serial output of the Arduino. You can disable that in the device setting at the TTN server. The Things Network Uplink+Downlink example. The following two steps are enough for this integration: 1. The 3 lines that need changing are prefixed with “$$”. Subscribe to Ubidots Academy to receive updates of each recording, or The Things Network (TTN) plugin is a solution for using The Things Network HTTP integration in an optimized way, providing features like both uplink and downlink processing, or automatic device and data storage provisioning, so it is not required to configure TTN devices in both places. Installation and Usage It is ideal for public and private network operators with a requirement for a mobile LoRaWAN™ network that require Full Duplex, multiple Rx and Tx Channels, cost effective and reliable LoRaWAN™ gateways to maximise their network investment for years to come. But the debug module shows no data after the range function. The Modbus Bridge sends a status messages report on the health of the device itself. Over here,we will use the Lora Shileld,MEGA2560 and Raspberry Pi to build a single channel LoRaWAN gateway. MQTTClient object the TTN client from which the callback is called. The uplink” in the 3rd row means how many messages are received by the gateway, in this case 2118. Apr 29, 2019 · For LoRaWAN public and private networks in Australia and New Zealand, IoT device wireless requirements will vary based on the Gateway and Network server used. Aug 10, 2017 · Ie the server will not send another ack if the node misses the ack and retransmits the uplink. Uplink with secret keys and failing to find a match will NOT be reported in the trace part of the gateway's Traffic page in TTN to network servers. All we need to do is create a TTN account and register our Lora Node as an application. Once we create an application in TTN, we will create a "decoder" to decipher the bytes we send. 17 Adaptació del node de multicanal a This is a playground to test code. The Things Network Nodes for Node-RED to receive device events and messages as well as send messages to devices. js is a simple way to build a headless server app. Once an account has been registered, the nano-gateway can then be registered. According to Nokia, customers enjoyed 100% network availability and nearly doubled LTE data upload The Things Network (TTN) & Microshare integration. This Class A operation is the lowest power end-device system and is indicated for applications that only require downlink communication from the server shortly after the end-device has sent an uplink transmission. Hi, i am making some tests with my BL072Z board, with SF7 uplinks and downlinks are ok, but when y run the code with SF12 i only can send uplinks, in TTN i can see the scheduled downlink and in the next uplink the downlink is sent but in the BL072Z board i don't receive anything, mi configs are: #define OVER_THE_AIR_ACTIVATION 0 uplink monitors with USFS and EPA/Airnow websites. 1 TTN-US 1700 1700 us. png' in the link ttn-gateway-status. Click the add application link and enter an application name, for example, "LoRaWAN Workshop". Open the Data section on the Device page: here you'll see every kind of messages between your device and TTN Dec 15, 2017 · Sending Data Back – TTN Downlink. There's a few threads on here, but I don't see many good  "github. 3 MHz which increment every 200 kHz up to 914. Following this guide, you will be able to send messages from Ubidots platform to a TTN-connected device using the events module and TTN downlink API. The application can use these messages to execute certain actions, for example sending an SMS to warn the owner of a certain High Precision GNSS Receivers . https://TNPAWS. required to link your TTN account with the Radio Bridge Console. If you haven’t heard before of TTN, it’s one of the largest LoRaWAN networks, which aims to allow low-power devices (or nodes) to connect to a decentralized, open-source network. uplink capacity. TagoIO Setup. RHF0M301 is a joint effort by RisingHF and Seeed, it is a high-performance LoRa/LoRaWAN module based on Semtech SX1301 which can support in total 10 programmable parallel channels, including 8 multi- SF channel (IF0~IF07), 1 standard LoRa channel (IF8) and 1 FSK channel (IF9),the network capacity is so much bigger compares to a single channel gateway and enable you to manage more clients. Cloning the example “ping” you’ll see something like this: Configuring a network topology involves specifying uplinks. (Uplink) DR Configuration Approx. However, the key difference is in the uplink power. Because of this TTN defined 8 uplink LoRa channels for the EU863-870 frequency. Uplink: 916. This is designed for asset tracking where only need to uplink a few times every day. Problem: I am unable to publish uplink measures to TTN(The Things Network,MQTT Broker) through MQTT Publisher Client. I compiled and programmed my Warning - Product Update. It also assumes that you have provisioned at least one device sending uplink packages to TTN. Data Rates of downlink messages (receiver window 01 and 02) are always fixed and controlled by nodes. This is an example integration of The Things Network with Azure IoT Hub. Maximum allowed antenna gain +2. Taking it further Limabora: A smart Farming Case Using LoRa modules, Gateway, TTN and Firebase. I can see it online. io Given this information it is clear that while TTN downlink channel set matches with the LoRaWAN regional parameters, TTN uplink channel set is a subset of those in the LoRaWAN regional parameters. LoRa is basically Uplink (from end device to Gateway), but it terms of specification it supports both Uplink and Downlink; Single Gateway is claimed to handle up to 60,000 end points but it mainly depends on how much data each of the end units transmits. as what i would be desperately longing for is a particle-based lorawan gateway - like an electron or boron receiving packets via lora and forwarding it to a lorawan network (like TTN) - as this could make a really great solution for remote places where really low power consumption is essential. Jun 19, 2019 Decode SensorNode/SensorData LoRaWAN Uplink Payload using your Browser We also provide worked examples, and a TTN decoder. In addition to the description we also supply a reference decoder usable in TTN at the end of this document. 8 – SF7BW125 to SF10BW125 $ ttn-lw-cli login This will open the OAuth login page where you can login with your credentials. You can use your Azure Function (or Azure in general) to send data back to your IoT devices via the TTN integration. This mode is works as below diagram: This chapter describes how to use LG02 to work with TTN LoRaWAN Server. It decodes measurements from an uplink payload from the TTN . In this post I try to make my Arduino based TTN Nodes more power efficient. At most, you can send 10 downlink messages per day. The concentrator . Together they form a ready-to-use solution including an user-friendly web-interface for device management and APIs for integration. FSB2 TTN is using FSB2 Uplink: 916. The Thing Network is using the following frequency plans (FSB2) in the USA, Canada and South America. com/TheThingsNetwork/ttn/mqtt" ) func main() { ctx := apex. Now, it’s down to you to do something useful with your LoRaWAN device! Oct 27, 2017 · APPEUI: this the unique identifier of your application on the TTN platform. Please follow the steps below carefully to establish the proper communication between your device, TTN, and Ubidots. 3. Search the FAQ for answers to the most frequently asked questions and participate in the Forum to connect with the community. Data Rates of receiver windows are function of uplink data rates. 3V consumes power. Johan & Laurens from The Things Network (TTN) will bring along several "The Things Uno"-boards for you to start with. [10, 175, 0, 232, 0, 4, 9, 1]. Without configuration the sensors will be transmitted ordered by the 48 Bit id, ignoring the Sensorfamily prefix and the Checksum. – For downlink (for 869. Times Television Network comprises of zoOm, India’s #1 Bollywood Channel; TIMES NOW, India’s # 1 English News Service; ET NOW, just a year old and already in 2 position in the Stocks I've registered on TTN and add my GW to my profile. There are 8 additional uplink channels (500 kHz each) (channels 64-71) from 903 MHz which increment every 1. Hello, please find attached an example of a decoder to send latitude and longitude in a JSON format that can be interpreted at Ubidots side: function Decoder(bytes, port) { // Decode an uplink message from a buffer // (array) of bytes to an object of fields. basements). Ive been trying to connect my arduino mega2560 to ttn using some example sketch that worked for a colleugeu using an arduino nano and RFM95w (i used same RfM95w) but couldnt get it working. We are almost ready to send our first data from the LoraWAN module to the TTN console. You first test TTN, for free. for real time tracking with short tracking uplink. 3 Uplink Payload (AT+MOD=1,general mode) The uplink payload includes totally 9 bytes. The remainder of the paper is organized as follows. Why TTN gateway shows status "not connected"? If LG01 has internet connection and proper config, it can connect to TTN and TTN will show connected in the gateway page. industries Of The Things indoor gateway EU power plug by Rdfo, member of the TTN community in Zaragoza. When the payload gets too big for a single LoRaWAN message, it is split into multiple uplinks. This tutorial takes a look at integrating devices from The Things Network onto a ThingsBoard platform using an application ID and access key on an MQTT channel. eui- 7276ff000b031243 Number of messages (UpLink). Once the device’s registration is done, you will be redirected to the device overview. Following which a device was provisioning for the application, using Activation By Personalisation May 20, 2016 · Setting up a personal LoRaWAN network without the open TTN cloud. • Compared to the ETSI duty cycles of 1%, TTN Fair Access Policy is more restrictive because it only allows an average of 30 seconds uplink Time on Air, per day, per device. 24 dB, the Wilson Pro 4000R is 2. How to tell if it works. Note: The receive slots are explained in Tutorial 4 “LoRaWAN Device Classes”. Setup. This MQTT API is the connecting link that we will use in the tutorial to trigger some of our workflows to store the information in AWS IoT things attributes. ttn downlink  In this article, you will be instructed on how to integrate TTN LoRaWANTM devices with TagoIO. 4. Jun 26, 2018 Once registered, you'll be taken to the TTN console where you register Gateway's and Applications, monitor Device activity and set uplinks to  Your device is connected to TTN and you confirmed that you receive data on the Initially, the table is empty, but while the test is running, all uplinks sent by the  Feb 12, 2019 I had already installed the TTN firmware with the polypacket forwarder on the Kerlink and got it to work using the ethernet uplink. Jan 21, 2019 · 5 min - configure your TTN device and application www. The principle is simple. Uplink: It is a data flow which represents messages sent from a device to the sigfox cloud. UplinkMessage) { // Do something with the uplink message }) token. This would be awesome, so… 3. 8 please go to the old Development Section. Thingsboard converters - uplink/downlink converters will be used to decode data from binary format into JSON In this tutorial, we will make an initial transformation into JSON with TTN decoder and then use Thingsboard converters for correct data processing. org {// Decode an uplink message from a buffer (array) of bytes to an object of fields. a. For configuring it you need the following three parameters: Device EUI, Application EUI and App Key. The Things Industries is the commercial offering of The Things Network (TTN). 5x. Add a callback function, to be called when an uplink message is received. mikrotik. LT bd n FD n th dnln hnnl (ln fr ttn t bl nd Drt Frr Trnfr (DFT prd FD r n thr rd FD n th pln hnnl (ln fr bl t ttn. initial single data uplink packet will be transmitted after is still recommended to set the aggregate to 1 for the AS region when using V2 of the TTN server. 5 FRM data comparisons at national air monitoring sites. To set up the gateway with The Things Network (TTN), navigate to their website and create/register an account. First of all, you have to configure the url. You will be able to send data from your devices (uplink) to TagoIO and back to them (downlink). All the resources present on this section belong to Waspmote v15, Waspmote Plug & Sense! v15 and Meshlium v4. Gateway Stand Indoor The Things Industries by LittleJoeMuc; TTI Indoor Gateway Phone Charger Adapter by CRIF Lab and the TTN community in Madrid. Purchase EBAMS for NV and ID, and provide contractor support for analysis of FRM data comparisons (1/05-6/05) and results from field deployment trials (6/05-12/05). – Maximum allowed antenna gain +2. If the end node is sending, please check the gateway whether received the data from the end node. At most 10 downlink messages per day. After Account Creation I tried a lot but don’t found my Access Code for the TTNCTL command Introduction. Nov 24, 2016 · The Things Network uplink test . 2 MHz. LoRaWAN is a new, private and spread-spectrum modulation Before, the test uplink didn't use SSL. All the above informations can be found in your The Things Network console. An Ubidots account; LoRaWAN Gateway & Devices already transmitting data to TTN and Ubidots (see simple setup of TTN uplink to Ubidots) Jan 25, 2019 · TTN Fair Access Policy limits the data each device can send. The Python Application SDK for The Things Network allows you to send and receive messages to and from IoT devices. We were worried about the monitoring of the gateways we have deployed, both as a community but also as individuals. At a high level, you can define multiple uplinks to a given network. Bit Rate [bit/sec] Max. For uplinks: the router receives uplinks from gateways, parses the uplink content for MAC payload and activations, computes new downlink  Jan 14, 2019 I've had two issues so far with OTAA and getting data to show up in my application. See the Node-RED Documentation / Adding Nodes for Nodes. ClientVersion) ClientVersion string // TLS Configuration only has to be set if connecting with servers that do not have trusted certificates. You'll learn to uplink/downlink and getting a sensor to trigger for exampleg a text message via "IF This Than That". 4 – SF7BW125 to SF10BW125 917. tional (uplink/downlink) solution to operate in TV whitespaces (470-790 MHz). If the earlier date stamp is timely, this is one of the th There are 2 different protocol stacks available for LoRa: LoRaWAN and Symphony Link. 1. Once you logged in in the browser, return to the terminal session to proceed. From the Console select Applications. ttn app. The Things Network Azure IoT Hub Integration. Aug 2, 2018 The TTN (The Things Network), a global community of people over 84 Application Server – a piece of software, running on a server; Uplink  Aug 22, 2018 After this process, the end device would be at the minimum data rate, it would have requested an acknowledgement to many uplinks, and if it  Traffic through TTN-Gateways. In this tutorial we use a LoPy or FiPy to track temperature and humidity from a location with no WiFi and (in my case) no power supply socket and publish the RuuviTag sensor data on The Things Network with the MicroPython RuuviTag Scanner. 15 Downlink des de l'aplicació TTN al node. TinyLoRa TTN Setup Before your Feather can communicate with The Things Network, you'll need to create an application. Article (PDF Available) · August 2017 This is w hat is called uplink transmission. Custom Payload. I used a LoRaMote to check if packets actually showed up in the TTN api. Member, Engineers Board of Kenya. Hi, I'm seeing ghost messages in the console. The Things Network Node-RED Application Nodes. Mar 24, 2017 · There are also other recommendations, for example TTN Fair Access Policy limits the data each end-device can send, by allowing: An average of 30 seconds uplink time on air, per day, per device. With 32 QSFP28 ports, the VSP 7400 can support a range of interface speeds, including 10 Gb, 25Gb, 40 Gb and 100 Gb, all in a compact 1RU form factor Test code coverage history for TheThingsNetwork/ttn. This integration features creating devices in the Azure IoT Hub device registry as well as sending events from uplink messages. Learn more about AWS IoT. • The downlink messages are limited to 10 messages per day (24 hours) per node. May 23, 2017 · In this tutorial, we’ll see how to create a LoraWAN network programmed in Python using Zerynth and connected to The Things Network. I don't have any application registered, I'm merely testing with the things node. First, make sure you already have configured a gateway and an application at TTN. To do this we need to uplink another very simple Python script into our board. Wilson Pro 4000R uplink and downlink power output: Wilson Pro 70 Plus uplink and downlink power output: Both provide a maximum downlink signal boost up to 12. io is free to send up/down right… I had already installed the TTN firmware with the polypacket forwarder on the Kerlink and got it to work using the ethernet uplink. FSB2. The main benefit of using the free TTN cloud server is that you don’t need a personal server with static IP address that has to run 24/7. 2-dimensional (2D) block spread CDMA makes it possible to achieve MAI free uplink transmission while obtaining the frequency diversity gain by using MMSE-FDE [12]~[14]. I've tested this successfully on the-things-network (TTN) in the city of Utrecht and on two gateways during a meetup of the Haagse Makers on 2016-05-10. This is the place to get answers, and ask questions, and get involved. First, we need to set up the TTN side. )Need keep consistent. Dec 05, 2018 · Every object in the JSON output can be retrieved. A TTN account. Uplink the code to your board and you’re done! Now click on the “Data” tab of the TTN Console and you can see your sensor data sent by the LoRa node! Missatge ascendent (uplink) connected Edit ttn downlink node node properties Cancel Done Name Device ID Port Confirmed Schedule Missatge descendent node-portatiI-OO replace Flow I Flow 2 Missatge ascendent (uplink) connected Edit ttn uplink node Access Key O Discovery address Edit ttn app node > Cancel node-portatiI-OOl Publish RuuviTag sensor data on The Things Network¶. npm install node-red-contrib-ttn. Don't have a TTN account yet? No problem you can register here - An average of 30 seconds uplink Time on Air, per day, per device. Tale a look at LoRaWAN has several different classes of end-point devices to address the different needs reflected in the wide range of applications: Bi-directional end-devices (Class A ): End-devices of Class A allow for bi-directional communications whereby each end-device's uplink transmission is followed by two short downlink receive windows. Cell Availability report displays a list of worst performing eNodeB. You can now add devices and see the uplink messages come through your. This is the default mechanism when you create a device in TTN. In this paper, CDTD is applied to the uplink using 2D block spread CDMA. Sep 21, 2018 · I built this some time ago when the tracker was brought live and uses the TTN integration for Node-Red. node-red-contrib-ttn 2. Follow these steps Installed Eclipse Mosquitto providers a CLI to subscribe LoRaWANMulti-hop Uplink Extension This section provides a description of a protocol which allows typical LoRaWAN end nodes, named Leaf Nodes (LN), which are not in range of a gateway to still have their messages delivered to the Application Server through more than a single hop. For example, The Things Network (TTN) is a global, open, crowdsourced Internet of Things data network [15]. I used a  Network Server: The Things Network (TTN). 4. js Application SDK. Registering the Aug 30, 2018 · After making some post on Arduino MKRFOX1200, here I come with the first steps to use MKRWAN1300 board to send your first frame on TTN and also how to use them for discovering the TTN coverage around. Quick Start Account Creation and Login. Registering a Gateway with The Things Network (TTN) Inside the TTN Console, there are two options, Applications and Gateways. Clicking on the things node button will result in two messages in the console. The Things Network HTTP Integration service let's you set an URL to send uplink data, but you can't modify the body that it's sent. 5W (27 dBm) There is an 0. type ClientConfig struct { Logger log. When setting up a new device in TTN it defaults to OTAA mode. Remember the change in Data Rate will reflect from next uplink message. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. The external sensor connectors can be used to connect temperature . - At most 10 downlink messages per day, including the ACKs for confirmed uplinks. In my previous post of setup the Lora Gateway, I was able to receive already sensor data, but, as you know, it’s not human readable data. These uplink messages are comprised of lots of information about the node’s past 20 signals; The network server analyzes the recent history of the node and makes comparisons to see how much “margin” there is to make changes The Things Network is a project dedicated to building a network for the Internet of Things. Interface // The name of this client ClientName string // The version of this client (in the default config, this is the value of ttnsdk. At most, you  Oct 28, 2018 The Things Network (TTN) is the Internet infrastructure that allows us to use end After creating a TTN application, you need to add devices to the . I compiled and programmed my For uplink, the maximum transmission power is limited to 25mW (14 dBm). EV_TXCOMPLETE (includes waiting for RX windows) Sending uplink packet. uplink"," topic":"nootropic-design-lab-network/devices/+/up","qos":"0"  cd $HOME/. Since we have a local The Things Network (TTN) gateway it made sense to test using this. Created  Simple BLE bridge to TTN Lora using the TTGO ESP32 LoRa32 board . The obvious thing to do is to store data sent by a LoraWAN device directly into the Tangle. Now, it’s down to you to do something useful with your LoRaWAN device! pre-configured to support one uplink channel and one downlink channel in the LoRaWAN mode. Nov 08, 2017 · Integrating LoRaWAN Sensors with the OGC SensorWeb. Class A LoRaWAN devices, after correctly joining a network, are able to transmit a message up to 222 bytes and receive a response up to 230 bytes during the subsequent downlink session. We noticed many users had a working application server setup with the test uplink, But when connecting LoRa devices, SSL will be used and some setups dind't work anymore. You can get them all from the Overview page. There are two different uplink processes: unidirectional uplink (single data communication from the device to Sigfox network) and bidirectional uplink, that also allows to Sigfox system sending a Downlink to the device. 6 – SF7BW125 to SF10BW125 917. Registering with TTN. If TTN shows "not connected", we can check below items: However, "any uplink counter the device sends will work" is false: For 32 bits counters, if the current uplink counter exceeds two times 65,536, then TTN will not be able to validate the MIC, and will (silently) discard the message even though the new uplink counter is larger than the last-known value of zero. For LG01 , Yes, you can use the same packet forwarder method to send uplink to other LoRaWAN server. Specifies uplink packet source address if necessary (address should match an address configured on the RB). 15 dBi. Once you press Next, the provided Application ID and Application Access Token will be validated against the TTN server. Make sure you have your device(s) registered in AWS IoT. PPR drtl rltd t bttr lf f th bl. However, many do not know that you can already save a lot of electricity here! TTN provides an excellent platform to move your node data to the cloud TTN enables simple data access with a Node. The first thing we'll need to do is configure a TTN app. It shall report the EUI number: write it down or copy it: EUI. This tutorial assumes that you already registered for and have a TTN account. The Things Network Node. Like TTN, this is a private environment in which your network elements are not shared with the rest of the The Things Network community. Apr 12, 2019 · The full article was originally published by Harm van den Brink on Medium. Nov 14, 2018 · ttnバックグランド 2015年6月、仲間とアイデアを出し合い、6ヶ月間でオラ ンダ・アムステルダム市全域をカバーする世界初市全体を カバーするlorawanネットワークを構築! 19. Regards Chris Oct 29, 2018 · This time I’d like to write a quick post about a small project we’ve been working on at the The Things Network community in Barcelona (@ttncat). LoRaWAN 1. Navigate to their account registration page (https://adafru. LoRaWAN Weather Station Home Tutorials LoRaWAN Weather Station This tutorial is going to guide you through how you can make a LoRa connected weather station utilizing Managed IoT Cloud. js SDK MongoDB is a NoSQL db, good for JSON data Node. If you need to use a raster PNG badge, change the '. ttn_v_bw_o_n (unnumbered, Titan IIIC launch, PL-65-70131 eq) Excellent view of an unidentified early Titan III-C launch. – For uplink, the maximum transmission power is limited to 25mW (14 dBm). Once logged in, navigate to the The Things Network Console (https://adafru. x packet decoder. it/CyX). Therefore, most of existing LoRa platforms are inflexible and difficult to customize new features to The temperature form all sensors in read regualarly and send via LoRaWAN uplink. It fetches data from the gateway status page. Uplink Messages Management. The value 3908 (“echteld”) must be saved in an Influx DB (without password) on 192. payload:buffer[8] followed by e. (by its EUI) and provides interesting information about uplink and downlink packets. 5. At this point, the device’s status is “never seen” because is waiting for its first message. I've registered on TTN and add my GW to my profile. org, are licensed under the Creative Commons Attribution- TT-Network (TTN), the mobile network sharing joint venture between Telenor and Telia has deployed Nokia's Centralized RAN at the Jyske Bank Boxen indoor arena in Herning, Denmark for a recent concert. ttn uplink. Now return to the Register Device Panel on the TTN Console, insert the code and click on the “Register” button. Change the UL frequency of each STREGA device the application let you change the Uplink pace of your devices Add Schedulers for each day of the week Create up to 4 schedulers for each day TTN has a message playback protection. Gov. 1 Create a gateway in TTN Server Step 1: Get a Unique gateway ID. Jul 23, 2019 · Monitor and Control your STREGA devices monitor the good health of your LoRaWAN communication, pilot your valves, check the tamper status, signal radio, etc. Knowledge Base Overview. Bi-directional end-devices with scheduled receive slots (Class B): In addition to the Class A random receive windows, Class B devices open extra receive windows The Things Network Azure IoT Hub Integration. LGT-92 is an open source product, it is based on the STM32Cube HAL drivers and lots of libraries In this article, you will be instructed on how to integrate TTN LoRaWAN TM devices with TagoIO. Ltd. You will be able to send data from your devices (uplink) to  Oct 29, 2018 There are several ways to get info from the TTN network. You can also simulate uplink and downlink messages from the TTN  Jan 25, 2019 TTN Fair Access Policy limits the data each device can send. Eng. In the page Applications --> Payload Formats --> Custom --> decoder Add below code: //The function is : function Decoder(bytes, port) { // Decode an uplink message from a buffer // (array) of bytes to an object of fields. thomas. Select Gateways and then click on register Finally, click Save and we can test the rule switching over to the device on TTN and simulating uplink with a value like 010C11 that should trigger our rule and send us an e-mail. Now check the gateway status in TTN Console under Gateway tab. Configuration. Apr 23, 2019 The USA LoRaWAN frequency spectrum has 64 uplink channels available The Things Gateway from The Things Network (TTN) also uses  Oct 1, 2018 The Things Network (TTN) – A world-wide community based LoRaWAN . If you run this command on a remote machine, pass --callback=false to get a link to login on your local machine. The Internet of Things (IoT) is a growing ecosystem of physical devices and everyday objects embedded with sensors and software that connects them to a network to collect and exchange data between themselves as well as other Internet-enabled devices and systems. Introduction The Thing Network is using the following frequency plans (FSB2) in the USA, Canada and South America. 9 MHz. LMIC. PSW: it can be found at the bottom of your application page under ACCESS KEYS. Each TTN JSON upload message has an element known as ‘downlink_url’, it’s this that contains the webhook URL to use to send a reply back to the device sending data. Description Draft Release Modify activation process, Add TTN Payload Decode. 4 the TTN message node is now called TTN uplink //post & picture needs update 🙂 The TTN message receiver is registered to the tracker application on The Things Network. Then I  Mar 12, 2019 The Last Seen message in the TTN console is updated. Getting started video. NB-Fi (Narrowband Fidelity) - WavIoT "NB-Fi LPWAN technology covering a full stack of OSI model layers from physical PHY to application APP. If you get a response in your TTN live data feed as in Figure 8, than you are all set! Figure 6. 3 Application An application uses the messages that are available on TTN. The uplink payload was quickly entered into an online hex-to-ASCII converter and, sure enough, a temperature reading in degrees centigrade was obtained. This module is capable for LoRaWan in Europe (868Mhz), NA LoRa and LoRaWAN is getting the de-facto wireless IoT network in my area. Yes I did manage to resolve it. Jun 12, 2019 · From a LoRaWan TTN node I get next payload: The path to value 3908 is payload_fields. Mar 31, 2019 · LoRaWAN Device Classes Class A Class B Class C Device-initiated communication; lowest power Devices are typically in deep sleep and send messages on intervals and/or events After uplink transmission, device opens two receive windows at specified times for downlink messages Best fit for most battery- powered sensor applications Time Integration of Web Apps with The Things Network CC BY-SA, except where noted otherwise. LoRa Technology is a wireless it works on uplink, but since my regiestration is using CH frequency plan and the real frequency defined is not the same, so there is no chance to get it work on down link. This messages are sent along when the device is sending data packages with a maximum of one status message per day. The communication from the device to TTN is called uplink, viceversa the communication starting from TTN to the device, is called downlink. In this book the messages are sent to the TTN. •Contractor support for development of operational SOP and smoke monitor comparison study with PM 2. 1rA” Jul 23, 2019 · the application let you change the Uplink pace of your devices Add Schedulers for each day of the week Create up to 4 schedulers for each day of the week with an intuitive time-picker widget Manage the Schedulers behavior Make your schedulers active, deactivated partially or fully or delete the programmed periods Sensemakers and The Things Network Amsterdam join forces and co-organize an event about LoRaWAN. 0 – SF7BW125 to SF10BW125 918. The LoRa Node gathers information from sensors then transmits the data to the network server. 5W (27 dBm) – There is an 0. Filed Under: 52°North, Innovation Challenge, Sensor Web Tagged With: Innovation Challenge, LoRaWAN, OGC, sensebox, Sensor Observation Service, SOS, TheThingsNetwork Jul 25, 2017 · The end-devices (nodes) constantly send uplink messages to the network server of LoRaWAN. To start sending data (uplink messages) to Ubidots, you need to establish some configurations in the TTN side. This Zerynth module currently supports over-the-air activation only to join a LoRaWAN network. The main function of Uplink Data Converter is to parse payload of the incoming message and transform it to format that ThingsBoard uses. This is the Node. VSP 7400 a space-efficient, high-performance Ethernet switch, delivering wire-speed 100 Gigabit Ethernet connectivity. Section systems to be used to uplink monitors with EPA/AIRNow websites. ClodPi LoRAWAN Indoor Gateway Integration with The Things Network (TTN) is first time published on IoT Vigyan Blog . Instructions for setting up a gateway and adding devices are provided on the website Sep 15, 2017 · We will be using The Things Network (TTN), one of the best free 3rd party network servers, to view and monitor our LoRa Node. The red marked values are retrieved in the script. It is based on narrowband FDMA channels with Time Division Duplex between uplink and downlink; data rate ranges from 1 kbps to 1 Mbps and battery lifetime is around 3-5 years. The LTE Cell Availability: <EUtranCell Name> report loads. • Connecting Transmit Uplink Messages to your TTN Application. TTN is using FSB2. Then copy an access key of your choice from the section Access Keys in the TTN console to the field Application Access Token in the field tester’s wizard. Note: in contrib-ttn 2. Th rn t t dffrnt tndrd fr pln nd dnln PPR. Getting started with LoraWAN, TheThingsNetwork and PlatformIO. **LGT-92-LI:** is powered by 1000mA rechargeable Li-on battery and charge circuit, which target for real time tracking with short tracking uplink. 2 – SF7BW125 to Times Television Network (TTN) is the Television broadcast network house of Bennett Coleman & Co. thethings. Sending Data to TTN from RAK811. After logging into the TTN Dashboard (web interface to the backend), a new application called IoT 2020 Testing was created. The latest Tweets from The Things Network Rhein-Sieg (@ttn_rhein_sieg). The ID of your device must be your DevEUI. Read the full article here. Rationale. THE THINGS NETWORK (TTN) The Things Network, also referred to as TTN, is a collaborative global LoRaWAN network. • Lab 2 – Setup TTN Account and Application. echteld. While WiFi is used in most Internet of Things devices, The Things Network uses a protocol called LoRaWAN which allows devices to talk to the internet without cellular or WiFi connectivity. Apr 23, 2019 · The USA LoRaWAN frequency spectrum has 64 uplink channels available (125 kHz each) (channels 0-63) starting at 902. HTTP Integration. Also the device seems to send every time on different frequency, so I got my traffic on gateway no on every cnt, but every 4(but this changes some times) ttn by TheThingsNetwork - The Things Network Stack V2. 0 – SF7BW125 to SF10BW125 917. ttn event. The data is expected in space-delimited lines in the format EUI, UPLINK, DOWNLINK, LAST_SEEN. The ChirpStack open-source LoRaWAN Network Server stack provides open-source components for LoRaWAN networks. updated 20/12/12 to suit the release of the "production" environment" OK, this is for people who want to decode the garbled payload data seen in their "TheThingsNetwork" lorawan messages e. Here the TTN applications that you have created are listed, or it will be empty if this is your first time here. With an average difference of +3. this works good. org. 6 MHz up to 914. 16:00. You should check the end node with gateway about LoRa Parameters. Uplink Status messages. ch From Network Overview dashboard, you can view the cell availability that identifies success rate of radio access network availability. Nov 05, 2016 · The Things Network bridge revisited Sander van de Velde IoTHub , Lora , M2MQTT , MQTT , Techdays 5 november 2016 8 januari 2017 4 Minutes A few month ago, I wrote about how to collect telemetry from The Things Network back-end and send them to an Azure IoT Hub. I can show the output from range function on my dashboard via a gauge function. This code will translate the STREGA UPLINK payload s into readable values for Ubidots: Paste the ENCODER script in the TTN « encoder » section then click on save payload functions button . These are only the ones that I could find or I was suggested. plan: EU863-870). This is a simple tutorial how to easily connect your LoRa device to the cloud using The Things Network and WolkAbout IoT Platform. On the other hand, by using their server, the data becomes public, and can be accessed by anyone. It runs a full Node. Since most LoRaWAN gateways support only 8 channels out of the 72 available uplink channels/frequencies, it is wise to disable all the unsupported channels on the end-node-device. For downlink (for 869. I've used stock Debian with TTN packet forwarder. First TTN Gateway registration –NG1 Design –leveraging the TTN Databases –IoT Open Source Platforms, IoT Use Cases, Device Configuration Standards, Team Wiki First Carrier service commissioned to support the Gateway FRONTEND/BACKEND Only some of you have provided me your skills list. 5 - a Python package on PyPI - Libraries. Weightless-N was designed to expand the range of Weightless-W and reduce the power Jan 03, 2018 · Right before Christmas, I’ve got my hands on the just-released The Things Gateway, the official building block of the LoRaWAN network for the Internet of Things. Gateways typically accept messages from any node. Enter a username and an email address to verify with their platform. Wait() if err  Their responsibility is to map a device to an application, to forward uplink but you can still make use of TTN's hosted Account Server for authentication and  The Things Network (TTN) plugin is a solution for using The Things Network HTTP integration in an optimized way, providing features like both uplink and  This quickstart will walk you trough the usage of the TTN node-red nodes for listening to device uplinks and events, as well as sending downlink in response. Currently TTN takes the 20 most recent uplinks, starting at the moment the ADR bit is set. MKRWAN1300 board is a LoRaWan Arduino board based on the Murata CMWX1ZZABZ module. Jan 14, 2019 · set_uplink_callback. Internet of Things. There are probably more options available. 185 named “waterstanden” via the &hellip; Jan 23, 2017 · Later in 2016, we wanted to demonstrate uplink functionality to the TTN network as well so we adapted yet again the code so it would support up and downlink and also some extra features, including: Config file for Pin definition, network interface (eth0/wlan0) Service for systemd (debian jessie minimal) May 31, 2018 · i start work with lorawan on ttn, but its completly terrible… The message sends after delay 2 minutes… Thats insane!!! hope im free to send uplink and downlink anytime i want… Loraserver. In the post Diary of a Trainee Electronics Engineer: May 2017 I mentioned that I attended a LoRaWAN workshop for Calderdale IoTUK Boost programme participants, and gained a basic understanding. Try to save energy An Arduino Pro Mini with 3. /***** * The Things Network - Sensor Data Example * * Example of sending a valid LoRaWAN packet with DHT22 temperature and * humidity data to The Things Networ using a Feather M0 LoRa. Stdout(). dn2Dr = DR_SF9; // Set data rate and transmit power for uplink (note: txpow seems to be ignored by the library) RN2483 Module¶. ttn uplink

ZFS Get Compressratio And Compression

LEAVE A REPLY Cancel reply

Please enter your comment!
Please enter your name here