Musicians use a variety of sound-producing device “Synthesizer” When you are setting a very good quality work is making. AT89S52 and AT89S53 Synthesizer used in the project on the LFO, ENV FILTER, OSC, MIX and so on. There is... Electronics Projects, Synthesizer Circuit AT89S53 AT89S52 "avr project, microcontroller projects, " Date 2019/08/03