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 # Lightbuttons
 
+![Device with case](preview.jpg "Lightbuttons")
+
 ## Hardware
 
  - 1x or 2x: Adafruit NeoKey 1x4 https://www.adafruit.com/product/4980
  - Switches and Keycaps for NeoKey.
  - 1x Olimex ESP32-PoE-ISO
+
+## MQTT
+
+Set Button Idle Color:
+N is Button Number 1-4
+$BASETOPIC/color/button/N
+topic:lightbuttons-A/color/button/2
+payload is color as int32
+
+When Powered on and connected device sends payload "online" on $BASETOPIC/status
+
+Button presses are sent on $BASETOPIC/button/N. Possible Payloads are: "click", "doubleclick" and "longpress"
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