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T-Impulse Demo

1. Routine show

Introduction:

  • The top sliding text is the notification bar, which will be displayed when lorawan successfully connects to the network or receives data.
  • The device contains a menu selection interface.
  • Click on the side of the screen to switch APP.
  • Double click to view APP content. Long press to exit the current APP.
  • If you are on the menu page at this time, press and hold to enter the sleep mode. When in the APP, single-click and double-click will become the control function in the APP.
  • For example: single-click to switch options, double-click to modify settings, etc.

2. LoRaWAN & Cayenne Settings

3. MQTT Settings

Need to prepare

  1. Have followed the above tutorial to connect to the TTN server.
  2. A software or other device that can receive MQTT information.

  • The MQTT X software used in this tutorial

  • Open the TTN cloud and click on the MQTT function.

  • Record all the information in MQTT. Note that once the page is refreshed, the password cannot be retrieved.

  • Open the MQTT X software and set it according to the information above.

  • According to the TTN document, subscribe to the information you need.

  • If you want to send the information, you can use the following JSON format,The content of the frm_payload field will be decoded by base64 and displayed in the message APP queue.
    Topic : v3/{application id}@{tenant id}/devices/{device id}/down/push

{
  "downlinks": [{
    "f_port": 15,
    "frm_payload": "vu8=",
    "priority": "NORMAL"
  }]
}
  • After completing the above steps, you can try to send simple sentences to the bracelet, remember that you need to perform base64 conversion.