Skip to main content

Battery voltage and current draw monitor

Ok so this one i forgot to document during the build process to need to retrace my steps. 

parts:

  • voltage divider; 10,000 / 2500 will get us down from 15 to 3 volts 

https://www.allaboutcircuits.com/tools/voltage-divider-calculator/

  • simple display to show current and voltage
  • current sensor
  • esp32

voltage_current_relay.jpg