# Lightbuttons

![Device with case](preview.jpg "Lightbuttons")

## Hardware

 - 1x Adafruit NeoKey 1x4 https://www.adafruit.com/product/4980
 - 4x Switches and Keycaps for NeoKey.
 - 1x ESP8266 Wemos D1 Mini (Software supports also Olimex ESP32-PoE)
 - optional: 1x Barrel connector and cable

### Case
 - 4x M2 5mm-10mm Screws
 - 4x M3 5mm-15mm Flathead Screws

### Wiring
 - Solder Barrel Connector to GND and 5V of wemos d1 board
 - Connect NeoKey - to GND, V to 5V, D to D2(SDA), C to D1(SCL)

## 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"