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powder4u: 秋月 ATmega基板 / Akizuki denshi's Arudino compatible PCB
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powder4u: Data logging shield
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powder4u: inside network wind chime / ネットワーク風鈴の中身
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powder4u: network wind chime / ネットワーク風鈴
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powder4u: LED Matrix
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powder4u: Controlling old coolpix from arduino compatible
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powder4u: LED Matrix
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powder4u: Testing ski pole POV.
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powder4u: Ski pole POV
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powder4u: Ski pole POV
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powder4u: Arduino 互換機を作った。 My own arduino compatible.
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powder4u: Testing acceleration sensor.
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powder4u: eJackino breadboard thermometer