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 […]

The 24 volts power supply circuit is very simple. It uses a zener diodes and Darlington transistors type TIP122. Output voltage is set at […]