mini raspberry pi ai wildlife monitor using the imx500

The official firmware for the Spotykach.

Code for a trackball I'm building from scratch

Spark - a portable open-source ESP32-based synth running the AMY synth engine

Build customized CircuitPython firmware on demand

Saturating tape delay and feedback sculptor.

Manage notes in musical applications. Includes note priority, arpeggiation, and sequencing.

Teensy Midi Looper using 2 buttons, 1 encoder and 256x64 display

Teensy 4.1 Drone synth using soundfonts

A tight BPM clock generator for Arduino and PlatformIO using hardware timer interruption. AVR, Teensy, STM32xx, ESP32 and RP2040 support

CircuitPython based all buttons all purpose controller firmware

Implement pyocd DebugProbe API with CircuitPython APIs for standalone use.

Test driver to analyze different makes of DFPlayerMini and reveal specials in behavior.

PIO based capacitive touch for the RP2040

eSpeak NG is an open source speech synthesizer that supports more than hundred languages and accents.

A high-performance, zero-heap, multi-instance audio library for RP2040.

Drumset Business Card Powered by RP2040

Digital emulation of the Minimoog Model D, replicating its warm analog sound using Python and Pyo

DMA+PWM audio output for RP2040

Firmware for the CARBON hardware sequencer by Kilpatrick Audio

Code to power a two-wheeled DC motors robot w/Adafruit Circuit Playground Express, Crickit, and CircuitPython, powered by an infrared remote

source for the pikocore drum machine

DaisySP Audio DSP Library for the Teensy 4

timesync multiplayer drum machine on yr phone

A virtual HID USB joystick created using ESP32S2/S3