Building a simple metal detector circuit using IC 555 and buzzer. circuit design and schematic diagram to build metal detector that could detect metals

Solar Charge Controller Circuit Diagram | The LED flashes when the battery is charged . . .

8 Simple Tips & Tricks To Extend The Life Of Your Car Battery - Recondition Lead Acid Batteries

Touch ON and OFF Switch Circuit Diagram. Get complete information about this circuit at

Touch ON and OFF Switch Circuit Diagram and Working

Touch ON or OFF switch circuit diagram and its working. It helps in automatically ON or OFF any switch by touching a device without moving from your place.

Circuit Diagram of 3000 watt power inverter 12V DC  to  230V AC

Nonstop-Free Electronic Circuits Project Diagram and Schematics: 3000 watt power inverter DC to AC