User Guide

IoT into the Wild

4. 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

LED flashes at 1s

frequency, waiting for

Bluetooth connection.

If Bluetooth not connected

within 1 minute, the

machine would shut down

again.

Press once

Reboot device and join LoRa

network

1. The LED will be on for 5

seconds for initialization

2. Waiting for join LoRa

network: breathing light

flashing

3. Join LoRa network

success: LED flashes

fast for 2s

4. LoRa network join

failure: LED suddenly

stop.