Bit-banging the AD9833 DDS module
I bought an AD9833 DDS module from China – you know the one: I wanted to control it from an Atmel ATtiny and my weapon of choice was the ATtiny44. Now I could just have easily used an ATtiny2313 (both devices are 14-pin), but I didn’t – and I went on and built a PCB.… Read More »