Tutorial: How to Make a Basic Function Generator!
Channel: Frozen Electronics
Date: 11/01/2014

This is a quick (not really!) video on DDS, or direct digital synthesis, using an ATmega324A, a PCF8591 ADC/DAC chip from NXP, and some code I wrote for the two in Atmel Studio. You can find the code over at http://frozenelectronics.com Just look for this video's post, and all the details will be there!