musical-pencil-raqwe.com-01

Musical pencil

 musical-pencil-raqwe.com-01

This original home-made works as a simple musical synthesizer. The design is based on the chip 555 timer. The change in resistance, drawn in pencil, the circuit changes the tone of the sound produced. How this works, see the video in the continuation.

Read another very interesting article about alternative energy of the Sun, water and air.




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