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yoianrhodes
modified 10 years ago

Keyboard synth

9
2
366
04:55:41
Toy piano circuit, 555 timer awesomeness
published 10 years ago
jzheng
10 years ago
Does it actually work?
hippodribble
10 years ago
Need to change the capacitor at pin 2 to 10 nF and the two switch resistors between pins 6 and 7 to 10k. This will give audible frequencies. Use astable formula in simultaneous equations to derive good values for the switch resistors.

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