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Rosewood bluetooth speaker

Rosewood bluetooth speaker
Audio related, CNC, Featured, WoodBy DavidFebruary 26, 2017Leave a comment
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Longboard LM3886 68W gainclone amplifier

Longboard LM3886 68W gainclone amplifier As I have a ±12V battery supply on my motorized longboard anyway it was an easy addition to add a 2x68W gainclone amplifier on there as well. (Also works to explain to the police that there isn't a motor under there, but in fact a dynamo to charge the batteries for…
Audio related, Electronics, PCBBy DavidAugust 3, 2014Leave a comment
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LED rings

LED rings For a school project we needed to make up something original to add to an amp we were designing. The thing we choose to design was an led ring to be put around each potentiometer. The ring will consist of sixteen 3mm leds, controlled by two 74hc595 shift registers. In the final version…
Audio related, CNC, Electronics, Featured, PCBBy DavidMay 1, 2014Leave a comment
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Gainclone amplifier

Gainclone amplifier My old amplifier broke down a long time ago, and the one I've been borrowing since died on me too. So I built one! It uses two power op amps, which I have a course dedicated to at school. So making this wasn't that difficult. The box is made from old laminate flooring, and I…
Audio related, ElectronicsBy DavidNovember 24, 2013Leave a comment
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5.1 to 4.0 audio mixer

5.1 to 4.0 audio mixer To listen to 5.1 sound on my 4.0 system I made a small TL074 based down-mixer. This added the center channel to the two front channels and added the sub channel to all four full range speakers. The potentiometers control the sub and center volume, the switch turns the whole…
Audio related, ElectronicsBy DavidMarch 11, 2013Leave a comment
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Kitchen amplifier

Kitchen amplifier I made a small 2x2.5W LM380 based amplifier to have some music while cooking.
Audio related, ElectronicsBy DavidFebruary 13, 2013Leave a comment
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