🔗 Connect Arduino boards to the internet by bridging them with WiFi-capable devices, enabling advanced network functionality with ease.

🧪 Simulate digital PI control loops for first-order systems, including actuator saturation, to bridge theory and practical implementation on microcontrollers.

Bicycle computer for a velomobile

Sound board and library for playing Sega Genesis music on real YM2612 FM/DAC and SN76489 PSG chips. Supports VGM playback, MIDI, emulator linking

An lwIP-based Ethernet library for Teensy 4.1 and other platforms

S.BUS Gamepad

Audio seeds grow and develop

Mid/Side Spatial & Dynamics Station

This project is a cheap, hardware only solution to convert MIDI USB input to PC keyboard HID output. This means you can use MIDI devices in games like Where Winds Meet without the chance of being banned

Arduino GFX developing for various color displays and various data bus interfaces

The ⚡ULTIMATE⚡ Arduino starter template for Platformio 🐩 (Pico, ESP32, ESP8266, Teensy, etc)

squares-and-circles is an alternate firmware for the Eurorack module O_C, targeting Teensy 4.

A lightweight, high-performance WebSocket library designed for embedded systems.

Hardware music player using real FM synthesis chips. Dual YMF262 (OPL3) core with optional Genesis (YM2612), Bluetooth, and floppy expansions. Plays MIDI, VGM, SPC, and FM9 formats. Teensy 4.1 based with retro DOS-style GUI. Companion fmconv tool converts 100+ legacy formats.

Open Source E-Drum Trigger Module

A modern easy-to-use alternative to C++ and Arduino for robotics projects.

GUIslice drag & drop embedded GUI in C for touchscreen TFT on Arduino, Raspberry Pi, ARM, ESP8266 / ESP32 / M5stack using Adafruit-GFX / TFT_eSPI / UTFT / SDL

Bridge TCP, UDP, SSL, and WebSocket clients over Serial. Supports WiFi hosts (ESP32/ESP8266) or PC/Raspberry Pi via Python/USB.

Open-source, modular engine monitoring system for classic cars and vehicles without OBDII diagnostics.

Text to Speech in Spanish