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
- LED pushbutton (30-01-2009) [@News]
- Power source 13.5kV (23-02-2004) [@Schematics/Power supply]
- Dual LED 12V blinker (10-02-2005) [@Schematics/Everything else]
- Power supply with regulation and short-circuit protection (07-09-2004) [@Schematics/Power supply]
- Power supply 3-30V 2.5A (27-04-2008) [@Schematics/Power supply]
- LED sensor keyboard for a piano (06-05-2009) [@News]
- LED flickering with Arduino (18-05-2009) [@News]
- WiFi enabled Nixie clock using ESP8266 (21-09-2015) [@News]
- LED display with Atmel microcontroller (05-04-2005) [@Schematics/Microcontrollers]
- Interfacing LED matrix to Arduino (03-07-2009) [@News]
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.
