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Joule Thief - use LEDs with only one AA battery!

Step 2Gather parts

Gather parts

Make sure you have all of the parts. Here is the listing:
PCB
Qty 2. Transistor
2.2k resistor
Qty 2. 1k resistor
Inductor
Capacitor
LED (your choice of color)
Qty 2. wire pieces

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1 comment

Apr 9, 2011. 5:15 AM

mugiwara says:

what inductance value is it?

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Check out razorconcepts.net for some projects.