8Bit Digital Delay / LO-FI Bitcrusher / Reverse Speech DSP Pedal Effects for Guitar, Voice, Synths, etc.
Arduino Workshop-Interactive LED Chase Effect
The DS-Pi is an open-source RP2040-based audio digital signal processing platform
It's a small project which can light LEDs with some effects like fading in/out, random LED lighting.
Turn your favorite expression pedal into a wireless MIDI controller. No MIDI keyboard required—just connect it to your PC or phone.