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--- iot_leb_hackathon [2019/03/11 10:49] – [5. Sending Downlink Data] samer
+++ iot_leb_hackathon [2021/08/28 09:55] (current) – samer
@@ Line 7: / Line 7: @@
 In the evolution towards the Internet of Things, an increasing number of devices equipped with sensors and communication interfaces will interact and collect data, communicate over the internet, and provide valuable monitoring and automation services. IoT-Leb Hackathon is a unique opportunity to get acquainted with the technologies that are set to play an essential role in the IoT landscape. During the Hackathon, you will get exclusive access to the latest IoT technologies.
-===== -. Platform =====
+===== - Platform =====
 During this lab, you will benefit from the first experimental platform implementing an end-to-end LoRaWAN solution in Lebanon. The platform consists of the following elements:
@@ Line 19: / Line 19: @@
 [{{ :img_20170124_160141.jpg?nolink&400 | Figure 2. Outdoor antenna at ESIB-USJ}}]
-===== -. Backend =====
+===== - Backend =====
 In a LoRaWAN network, the devices communicate with a Network Server through the gateway. The backend installed in the platform is based on an open-source LoRaWAN network-server https://www.loraserver.io. A web interface is available for configuring the applications and devices on the platform (https://212.98.ZZ.ZZ:8080).
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 Make sure to choose ''lora-profile'' as a ''Device-profile'' in order to enable OTAA join method.
-===== -. Devices =====
+===== - Devices =====
 Devices in the LoRaWAN platform are implemented on [[https://bit.ly/2HvgAa9 | TTGO boards]] with ESP32 system on a chip microcontrollers with integrated Wi-Fi and dual-mode Bluetooth, and an additional LoRa transceiver.
@@ Line 67: / Line 67: @@
 Getting back to the backend, you can monitor some important information related to your device such as the activation status, frame counters, and live data.
-===== -. Capturing Received Messages =====
+===== - Capturing Received Messages =====
 mqtt.fx is a utility intended to help you with monitoring activity on MQTT topics. It has been designed to deal with high volumes of messages, as well as occasional publications.
@@ Line 73: / Line 73: @@
 The payload received by the MQTT client is decrypted but encoded in Base64. On the loraserver, we have activated a script that decodes the message before delivery.
-===== -. Sending Downlink Data =====
+===== - Sending Downlink Data =====
 If you need to send data to your device, you should publish an encoded message in the corresponding topic ''application/16/device/DEV_EUI/tx'' as follows: