arduino-xpl-heatpump-controller/xpl_heatpumpcontroller.ino at master · ToniA/arduino-xpl-heatpump-controller · GitHub
Arduino ar Twitter: "The CHPC is an open source heat pump controller that can be made at minimal cost: https://t.co/QRBQsS8lGW https://t.co/mIIn03jxkF" / Twitter
Designing a General Purpose Heat Pump Controller - Page 17 - EcoRenovator
Arduino - Cooling System using DS18B20 Temperature Sensor | Arduino Tutorial
Automatic AC Temperature Controller using Arduino, DHT11 and IR Blaster - Use Arduino for Projects