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Old 12th April 2012, 01:08 PM   #1
MoonL is offline MoonL  Hong Kong
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Default Little BTL Amplifier - ZIPPO BTL

My friend had built himself a new amplifier, and once I saw it I think I need to share this amazing amplifier to others.

The one on left hand side is a lighter amplifier my friend made before, the right one is this time 'lead'
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Follow are the building process of this ZIPPO BTL from my friend

1. Draw a 1:1 image of the amplifier and test the size
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2. Solder parts
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3. He used 1 3.7V Lithium-Ion battery, 3 opamp this time and use IE80 to test
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4. Key point of ZIPPO BTL, a ZIPPO Lighter. Open holes on it
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5. Finally, insert the amplifier into the ZIPPO Lighter
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FINISH
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Thank you for watching.

Last edited by MoonL; 12th April 2012 at 01:15 PM.
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Old 13th April 2012, 08:30 AM   #2
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Wooow, this looks fantastic!
Congratulation to your friend and thanks for sharing it.
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Old 13th April 2012, 04:29 PM   #3
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That's hilarious! Thanks for sharing!
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Old 13th April 2012, 05:28 PM   #4
BlueRob is offline BlueRob  Mexico
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Interesting approach mate! The big question here is how good does it sound?
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Old 13th April 2012, 06:05 PM   #5
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Default I never cease to be amazed

..........at the ingenuity and skill of the people on display here.
Just had to say good job.

Cheers
Terry
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Old 13th April 2012, 06:09 PM   #6
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What is the purpose of the third op amp?
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Old 13th April 2012, 06:11 PM   #7
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Wow, that's neat. I can't imagine how you can squeeze all that into a lighter.
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Old 13th April 2012, 11:50 PM   #8
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good job
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Old 14th April 2012, 08:05 PM   #9
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interesting!
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Old 15th April 2012, 02:26 AM   #10
swalter is offline swalter  Switzerland
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love it....

is the charging cct for the lipo integrated as well?

Stefan
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