User Guide

IoT into the Wild
14
5. LED of Sensor Working Status
You can refer to the LED indicator for the Sensor Node for its working status. Please see the
status explanations in the chart below:
Actions
Description
Green LED Status
First power up, press and
hold for 3s
Power on and activate the
Bluetooth
Green LED flashes at 1s
frequency, waiting for
Bluetooth connection.
If Bluetooth not connected
within 1 minute, the device
would shut down again.
Press once
Reboot device and join LoRa
network
1. The green LED will be
on for 5 seconds for
initialization.
2. Waiting for join LoRa
network: red breathing
light flashing
3. Join LoRa network
success: green LED
flashes fast for 2s
4. LoRa network join
failure: red LED
suddenly stop.