Posted by dapj20 on Jul 01, 2021 in LED-Schematics, Opamp-Circuits, Test-Instruments
This is a LED Analog Meter, This can be used as a Resistance Meter and Low Impedance Voltmeter for Battery Levels. Resistance measurement Current Source To measure battery voltage, the R5-R12-R17 etc. part of the Reference Resistor Divider Network can… more »