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Frequencies

A project log for 555 piano

Small sized 555 timer based piano.

Alexander RyzhkovAlexander Ryzhkov 09/15/2017 at 20:070 Comments
# of key1/2 PeriodFrequency realFrequency 
1703uS  711HzC1046Hz
2730uS 685HzB5  987Hz
3787uS 635HzA5  880Hz
4850uS 588HzG783Hz
5927uS539HzF698Hz
6967uS 517HzE5  659Hz
71.04mS 480HzD587Hz
81.15mS 434HzC5  523Hz

Need to replace resistors and reverse buttons position.

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