Signalgenerator with ATmega16

gavrasm's picture
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A signalgenerator for audio frequencies (2 Hz to 20 kHz) with sine, triangle, saw-tooth and rectangle wave forms from an 8 bit R/2R DACSignalgenerator on PCB.

Sine waves are filtered by two switched RC filters.

Wave and frequency display on a  single line LCD with eight characters.

Free and well-documented assembler source code for download.