Voltage comparator LM393 IC is the heart of this circuit. D1 LED stays lit when there are at least 25 milli-amps of current which flows to the battery. This circuit is designed specifically for 12V battery with a load current of 1A.
Description for Battery charger indicator circuit
|1||Title:||Battery charger indicator circuit|
|3||Upload date:||March 5, 2012|