Over at Instructables, user braulio777, show you how to make a voltmeter with an Arduino. Also using a 10k resistor, 100k resistor and OLED display. We like the simplicity of this setup.
Over at Instructables, user braulio777, show you how to make a voltmeter with an Arduino. Also using a 10k resistor, 100k resistor and OLED display. We like the simplicity of this setup.