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Hello!
My name is Arnold. I like reverse engineering and improving my home environment - such as by measuring CO2, ventilation, and monitoring and controlling my Daikin heat pump over the main controller interface via the P1/P2 interface.
By using my software and hardware, by providing feedback and contributing to it, and by sponsoring me you stimulate me to further develop these projects!
Many thanks for your support!
2 sponsors have funded Arnold-n’s work.
Featured work
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Arnold-n/P1P2MQTT
Monitor and control Daikin/Rotex (hybrid/Altherma) heat pumps via the 2-wire P1/P2 thermostat interface with an ATmega328P, ESP8266, and electronics. The P1P2Serial library and P1P2Monitor program …
C++ 296 -
Arnold-n/Covid-CO2
DIY portable CO2 sensor