At www.projects.cappels.org Mr. Cappels has many AVR based projects. I was interested in his latest, a 1khz sine wave generator. I ported his C version to the AVR and was able to achieve a nice digital sine wave with 6 bit resolution and a 1.007khz frequency. I used a 6 bit R2R DAC off of PORTD to m…

1khz Sine Wave Generator

system December 28, 2008, 6:10am 3

How did you know the value 455 would output 1khz? Is it possible to output lower frequencies?

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