Position

Meaning

Green

Blue

Red

1

Power

On

-

Off

2

WiFi strength

> -80dB (strong)

< -80dB (weak)

No WiFi connection

3

Internet comms

Can reach our MQTT broker, either secure or insecure

AP mode

No internet access

4

Switchdin comms

Connected to MQTT broker

-

No connection to MQTT broker

5

Droplet heartbeat (labelled Devs on physical droplet)

Blinks constantly while droplet is running (at 0.5Hz)

-

-