search:led torch circuit相關網頁資料

- www.talkingelectronics.com
  
  LED Torch Circuits - Talking Electronics
  
  When we first decided to produce a LED torch project, we wanted to fit the circuit into a 2-cell torch but a ...
  
  2026-04-17
  
  瀏覽：377
- m.instructables.com
  
  A high-power LED torch using a single AA-battery - Instructables
  
  行動版 - The unique circuit uses 2 commonly available transistors (BC327 and BC337) in an oscillator to boost ...
  
  2026-04-17
  
  瀏覽：620

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Switch mode LED torch - Instructables

日期：2026-04-22

行動版 - I modify a cheap chinese rechargeable torch with a switch mode LED drive circuit . The advantage over ......

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How to Make an LED Flashlight | Popular Science

日期：2026-04-20

行動版 - 2008年8月11日 - Turn a regular flashlight into a powerful LED torch that will run for years ... With a bit of creative circuitry work—you'll need to add a small circuit called a charge pump to ......

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High power 6 LED Flashlight for 1.5V AA battery. | Eleccircuit.com

日期：2026-04-19

2014年6月3日 - This circuit look like a torch by use on 1.5V battery only so it can be used. Since small ......

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Simple LED torch using single AA 1.5V Battery | Eleccircuit.com

日期：2026-04-17

2014年7月21日 - Today I would like to introduce simple LED torch circuit which also use single AA 1.5V ......

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Five- to 10-LED flashlight circuit runs at 3V | EDN

日期：2026-04-17

行動版 - 2008年12月15日 - With this simple circuit and easy-to-find components, you can convert bulb flashlights ......

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LED-flashlight circuit works at voltages as low as 0.5V | EDN

日期：2026-04-20

行動版 - 2010年9月23日 - Most commercial LED flashlights use three AAA or AA batteries in series that produce ......

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Pocket white-LED torch is power efficient | EDN

日期：2026-04-18

行動版 - 2013年4月30日 - This single white-LED torch can be housed in an empty glue-stick tube and has a long ... The circuit is constructed with just a few commonly available parts. This torch ......

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