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
- DIY LED chandelier (05-01-2009) [@News]
- Small ATmega8 multi-use USB enabled board (23-10-2009) [@News]
- LED signal level display (23-02-2004) [@Schematics/Everything else]
- LED blinker (15-09-2005) [@Schematics/Optics]
- LED bicycle light (24-02-2004) [@Schematics/Optics]
- LED display with Atmel microcontroller (05-04-2005) [@Schematics/Microcontrollers]
- Muscle powered electronic dice (31-12-2008) [@News]
- Linear power amplifier for 88-108 MHz (11-09-2004) [@Schematics/RF amplifiers]
- LED show with PIC (06-04-2004) [@Schematics/Microcontrollers]
- Kirlian HV power source (23-02-2004) [@Schematics/Power supply]
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.
