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iot_leb_hackathon [2019/03/11 10:26] – [5. Sending Downlink Data] sameriot_leb_hackathon [2021/08/28 09:55] – samer
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 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. 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: 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:
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 [{{ :img_20170124_160141.jpg?nolink&400 | Figure 2. Outdoor antenna at ESIB-USJ}}] [{{ :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). 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. 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. 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.
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 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. 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: 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:
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 </code> </code>
  
-<WRAP left round tip 100%> +Note that the payload data sent by the MQTT client must be encoded in Base64. For this purpose, you can use the online tool at [[https://www.base64encode.org]]): for example, ''aGVsbG8gSW9U'' is the Base64 encoding of ''Hello IoT''.
-The payload data sent by the MQTT client must be encoded in Base64 (you can use for example the online tool at [[https://www.base64encode.org]]). +
-</WRAP> +
  
  
  
iot_leb_hackathon.txt · Last modified: 2021/08/28 09:55 by samer