1. How to Make a Tornado in a Glass or Bottle - Home Decor​ Life Hack

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  3. 8 step DIY sequencer for your DIY synthesizer or a VCO

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  4. How to Make an OwlBot: The Bird Intimidator - Part 3: Flashing Red LED Eyes

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  5. DIY Capacitive buck LED light, 10 hours a day, a year without 1 kWh, very power saving 1 kWh, very power saving. 阻容降壓LED燈,一天10小時,一年不用1千瓦時,非常省電。

    DIY Capacitive buck LED light, 10 hours a day, a year without 1 kWh, very power saving 1 kWh, very power saving. 阻容降壓LED燈,一天10小時,一年不用1千瓦時,非常省電。

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  7. Raspberry pi: interface course assignment of LED with pwm

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