Microcontroller addict [Debraj] decided to make his own programmable sine wave generator, and was able to put it together for under $40 USD. Other than low-cost, his list of requirements was as ...

That’s just what [rgco] did to build this nifty arbitrary wave generator. The build improves on prior work by [rgco] with the Arduino Uno, with which they built a device that could output at 381 ...