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12Volts battery car monitor

HasQT (Has) September 12, 2022, 2:00am 2

Monitor your car battery in Home Assistant Share your Projects!

In this video tutorial, I show how to use a wemos d1 mini, a power shiled and some resistors to wirelessly monitor your car battery voltage and send the readings to Home Assistant over MQTT. [Monitor a Car Battery Remotely using ESP8266] Please check the video description for links for the D1 Mini Power shield I used. Having the ability to monitor your car battery can prevent some unpleasant surprises. I will show you how I assembled the hardware, loaded the software and ins…

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