This Handy Synth Packs An ESP32

Since the first electronic hobbyist wired up a multivibrator to a keyboard many decades ago, electonic synthesisers have been a staple of home-made projects. Now with the proliferation of significantly powerful microcontrollers it’s possible to make a synth that surpasses many of the high-end models from days gone by. Among those we’ve seen of late perhaps none does this better than [Povle] with their Spark portable keyboard .