T-Impulse Demo

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

• Refer to SetLoRaWAN.md 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.