This prototype is based on Arduino Uno with a MQ135 Co2 Sensor and a FS1000A 433MHz module to send the measured data to a Tellstick DUO.
Power supply is a 5V USB 220V Power Plug
Base is openHAB2 running on a Raspberry Pi 3 Devices controlled by Telldus Tellstick DUO Energy monitoring device efergy e2 ir counting […]
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