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'''Additional Work: | |||
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The 555 Squarewave Synth | |||
This is another version (improvement?) of my wet cardboard piano without the need of water. I put another 555 mono stable timer and put multiple fixed 1k ohms resistors between pin 7 and 6. The leads of the resistors are soldered to some copper wire which is seen under the fake piano keys. The synth can be played by connecting the copper-wire hand (pin 7) and the different leads of the keys (pin 6). Its also possible to take the hand into your hand and play the piano by touching the copper curls on the bottom. Due to the resistance of the human body the pitch of the tones is much more lower than in the first mode. | |||
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