12Volts battery car monitor

[PW43575 (Andre St-Laurent)]

Hello

looking for a 12Volts battery car monitor

Any help would be appreciated

[HasQT (Has)]

Monitor your car battery in Home Assistant

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…