Solar Joule Thief Night Light

1.2V Solar Table Night Light

- Ideal for use as emergency lights instead of kerosene lamps and candles- Can also be used as table night lamp
- Powered by just (1) one AA Ni-MH rechargeable battery
- Charging by 5V 1 to 2 W solar panel during daylight
- Auto 1W LED lights up at night

Uses QX5252F IC with light sensing which turns on the LED when its dark and turn off when its bright and an overdischarge protection for the battery (cuts off the load @ 0.9V)

Parts Lists:

 (1) QX5252F IC

 (1) 33uH inductor

 (1) 0.22uF ceramic capacitor

 (1) 1N4148 diode.

Schematic Diagram:

Featured at the following events:

Lumiare London

MASDAR Institute UAE