Battery charger indicator based LM393

Description of battery charger indicator: The circuit above will make your simple battery charger look sophisticated. This circuit is a charging indicator for battery charger. Its used to check whether the battery is charging or not.  Voltage comparator LM393 IC is the heart of this  Battery charger indicator 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 Continue reading