led torch circuit

LED Torch - circuit diagrams, schematics, electronic projects     你還會想看>>從生日看你最適合的愛情A common problem with small torches is the short life-span both of the batteries and the bulb. The average incandescent torch, for instance, consumes around 2 Watts. The LED Torch in Fig. 1 consumes just 24 mW, giving it more than 80 times longer service ...

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LED Torch - Welcome to talkingelectronics.com 拍得真不賴!! 好酷喔!JOULE THIEF The web is filled with circuits similar to "CIRCUIT A" below. Here are 3 circuits: Although they work, the performance and efficiency can be increased an amazing 300% by simply adding a capacitor. We will look at the Joule Thief circuit and sh...

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LED Torch - Circuit Exchange International (CXI) 想不到竟然會有這種地方...Circuit : Rev Thomas Scarborough Email : scarboro@iafrica.com Description: A common problem with small torches is the short life-span both of the batteries and the bulb. The average incandescent torch, for instance, consumes around 2 Watts. The LED Torch ...

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LED torch using MAX660 - Electronic Circuits and Diagram-Electronics Projects and Design   挖,你等下湯偷吸乾了...哈哈Description. This is a simple LED torch circuit based on IC MAX660 from MAXIM semiconductors. The MAX 660 is a CMOS type monolithic type voltage converter IC. The IC can easily drive three extra bright white LEDs.The LEDs are connected in parallel to the ...

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Switch mode LED torch - Instructables - DIY How To Make Instructions 想不到還可以這樣子,好屌!I modify a cheap chinese rechargeable torch with a switch mode LED drive circuit. The advantage over the original circuit is that it has constant br... ... Intro: Switch mode LED torch I modify a cheap chinese rechargeable torch with a switch mode LED dri...

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LED Lenser, Fenix, TerraLUX Maglite LED Torch bulbs, Ansmann - The Torch Site  好現實的歲月~~~ Fenix LED Torches, LED Lenser torches. TerraLUX Maglite LED Bulb Upgrades, Ansmann Batteries and Chargers. UK Retailer ... Welcome to The Torch Site UK based supplier of high performance torches and LED torch conversions Established on-line in 2007 ......

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