How to make an automatic sensing circuit that senses electricity when it's ON or OFF by just turning ON or OFF BACK UP source of electricity e.g.from SOLAR BATTERY.
ITEMS NEEDED
1. COIL WIRE (300 turns)
2. 4.AA DRY CELLS
3. SOME EXTENSION WIRE
4. 240V BULB
5. LEDs
6. 5volts regulator(phone charge)
7. 240v power supply
Enjoy making one
Davie Tosh RC Tech