Because [Vinod] is using an ATMega32, he only has a limited amount of RAM to record audio samples. The delay time could be lengthened with a more capable microcontroller, or even the addition of a ...

While [Vinod] says he’s not an expert in this sort of thing, we really like his audio spectrum analyzer build from a simple microcontroller and LCD display. It is a well-studied fact that eve… ...

To accompany the hardware, ChromaLock developed custom software for the microcontroller and the calculator, which is available open source on GitHub. The system simulates another TI-84, allowing ...