JAN13
High-power LED torch
Here you can see yet another Joule thief circuit. It is powered from a single 1.2V (1.5V) battery and it powers 4 high efficiency LEDs.
What is interesting about this circuit is that a coil which is necessary for Joule Thief is actually wound on a battery case!
© qs
[ Source: qs ]
Jaka LED baterija na 1,5V
Link
Comments (0)
similar content
- Power regulator from 12V to 9V (23-02-2004) [@Schematics/Power supply]
- Power inverter 12V-220V (21-03-2004) [@Schematics/Power supply]
- Vibrobot Socbot - remote controlled micro robot (11-01-2009) [@News]
- LED blinker for toys (20-02-2004) [@Schematics/Optics]
- Regulated power supply v2 (28-05-2004) [@Schematics/Power supply]
- Power amplifier for 50 MHz (24-02-2004) [@Schematics/RF amplifiers]
- Double sided PCB UV LED exposure box (20-04-2009) [@News]
- LED birthday cake candles (08-12-2008) [@News]
- Giant LED desk lamp (25-12-2008) [@News]
- LED show with PIC (06-04-2004) [@Schematics/Microcontrollers]
add comment
Please log-in!
You can log-in on forum link: Login page. After logging-in, return to this page and click refresh in your browser.
