Haptic input knob with software-defined endstops and virtual detents

Marlin is an optimized firmware for RepRap 3D printers based on the Arduino platform. Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for your…

Control WS2812B and many more types of digital RGB LEDs with an ESP8266 or ESP32 over WiFi!

G-code generator for 3D printers (Prusa, Voron, Creality, etc.)

Home automation firmware for ESP8266-based devices

HomeKit Library for the Arduino-ESP32

MIDI for Arduino

Multi-Platform Gamepad Firmware for Raspberry Pi Pico and other RP2040 boards

MySensors library and examples

An Arduino library for using a single button for multiple purpose input.

Control WS2812B and many more types of digital RGB LEDs with an ESP32 over WiFi.

Quadrature Encoder Library for Arduino

A light-weight Arduino hardware package for ATtiny13

This driver library can be used for many libraries that use a simple RF ASK module, with the advantages of the cc1101 module. It offers many direct setting options as in SmartRF Studio and calculat…

Arduino library to debounce button switches, detect presses, releases, and long presses

A stepper motor driven, 3D printed and Arduino controlled pan/tilt mount.

do-it-yourself, full-featured and smart wall clock device

RotaryEncoder Arduino Library

Non-blocking LED controlling library for Arduino and friends.

An original Game Boy outfitted with Game Boy Color support and other modern features

Provides an Arduino library for reading and interpreting Bosch BME280 data over I2C, SPI or Sw SPI.

A fast PID controller with multiple options. Various Integral anti-windup, Proportional, Derivative and timer control modes.

Fast and easy to understand Arduino library to use the DFPlayer Mini MP3 module from DFRobot.com. This is a huge improvement (both in terms of execution speed and simplicity) to the standard librar…

A Streamlined IDE for Coding and Programming the ATtiny10 and other ATTiny Devices

MPD, Volumio, RuneAudio and Moode OLED status and spectrum display for Raspberry Pi (and similar)

An all-in-one Arduino compatible reflow controller powered by ATtiny1634R

Open loop PID autotuner using a novel s-curve inflection point test method. Tuning parameters are determined in about ½Tau on a first-order system with time delay. Full 5Tau testing and multiple se…