Created by
Created March 17, 2013
Last modified March 17, 2013
Tags arduino   digital-potentiometer   fm-synthesis  


Digitally controlled analog synthesizer.


This circuits provides digital control of two 7555 astable oscillators configured for FM synthesis. Controlling this circuit requires a microcontroller running a small SPI program. The Arduino has an demo program in the examples menu.

Demonstration video may be viewed here:


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