Hacked Gadgets Forum

August 28, 2009

DIY LED Tube Light

at 5:26 am. Filed under DIY Hacks, Electronic Hacks


If you have been thinking about making some of your own DIY LED lighting have a look at this DIY LED Tube Light project for some inspiration. There is lots of build details and tons of good pictures to get some great ideas.

"The LEDs in the lamp designed are driven using a linear current regulator. The following is a parts list for this circuit. This website will not explain how to make the circuit board as there are so many ways. This instructable outlines an excellent method of creating a board in one minute. A simple google search will lead you to an overwhelming amount of information about etching circuit boards. Any method that uses ferric chloride is usually the easiest and cheapest.
The basic operation of this circuit is quite simple. The LM334 has a tap which is a wire that measures the current running through the LEDs using a reference voltage of 64 mV. Based on the measurement it takes, the ZTX948 transistor is opened. The ZTX948 is fine for a small number of LEDs, but the maximum current that can flow through it is quite low. To combat this, the TIP32C power transistor is added in a darlington configuration. In this configuration, the ZTX948 amplifies the signal coming from the LM334 to a level that the TIP32C can use. The TIP32C is a much larger transistor that can handle a much higher current. This allows a higher number of LEDs to be used."





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3 Responses to “DIY LED Tube Light”

  1. The Coolest Gadgets we missed this week - 28th August 2009 | Geeky Gadgets Says:

    […] DIY LED Tube Light […]

  2. The Coolest Gadgets we missed this week – 28th August 2009 | Technology News Says:

    […] DIY LED Tube Light […]

  3. Sphere of Links – August, 30th 2009 [Compact] | Outlook at Hardware Sphere Says:

    […] DIY LED Tube Light @HackedGadgets […]

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