ESP8266 IoT based Swampy Controller See https://hackaday.io/project/8268-swampy-iot-controller for Hardware
ESP-12 (ESP8266) based webserver and webclient to control and monitor Celair Evaporative Airconditioner (aka Swampy) by directly interfacing to the LEDS and Button contacts on the remote controller. The remote controller is connect to the main Control Box TEKELEK TEK632 v8 via 4 wires. +5V,+5 Return,Comms,Gnd webserver provides status of 2 LEDS and control of 2 buttons webclient regularly sends status via get method to log status