Simple Music Keyboard circuit
This is simple music keyboard circuit. The origin frequency sound circuit model astable multi vibrator. if press switch S1 the circuit will begin the work. [...]
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March 13, 2017
Small electric organ circuit using NE556
This is a Mini Organ circuit using N556. Now maybe the era of microcontrollers and computers. But having a basic level of electronic capabilities is still necessary. I like to…
March 1, 2017
Mini organ keyboard circuit using UM3511
The previous day my son said ” A friend has a mini organ. Casio SA-76 44 Key Mini Keyboard, Orange It is Good quality but expensive. My son would have…
December 30, 2012