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Audio Infuser 4700 – Creative Media Centre in retro style

Master Todd Kumpf used to create this functional work of art old turntable Yamaha YP-D4, computer Raspberry Pi, seven-band graphic equalizer, and a five-inch screen of...


Musical pencil

  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...