It opens a websocket connection with Discord to receive PRESENCE_UPDATE events. Once the target become offline, it makes a red led blinks, and once it comes back online, it turns on the green led.

• Set up your project using the schematic below.
• Download the code.
• Rename the secrets_sample.h file to secrets.h and fill it.
• Upload it to your Arduino.
• You're done!

Once the watched bot will be offline, the red led will blink.

• ArduinoJson (used to deserialize Discord payloads)
• ArduinoWebsockets (used to open a ws connection to Discord)

You will also need to add this link: http://arduino.esp8266.com/stable/package_esp8266com_index.json to the Additional boards Manager to be able to select Node mcu 1.0 as the card type.

• Arduino esp8266 mod (node mcu 1.0)
• Breadboard
• x2 color leds (one green, one red)
• x2 resistors (220 ohm 1/4 watt)
• x5 wires