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28 stars written in C
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Program to decode radio transmissions from devices on the ISM bands (and other frequencies)

C 7,355 1,498 Updated Apr 4, 2026

An open source cross-platform USB stack for embedded system

C 6,659 1,390 Updated Apr 4, 2026

A new lightweight, hybrid routing mesh protocol for packet radios

C 2,421 716 Updated Apr 4, 2026

FreeRTOS kernel files only, submoduled into https://github.com/FreeRTOS/FreeRTOS and various other repos.

C 3,986 1,491 Updated Apr 3, 2026

Embedded graphics library to create beautiful UIs for any MCU, MPU and display type.

C 23,175 4,105 Updated Apr 3, 2026

A fork of the NimBLE library structured for compilation with Arduino, for use with ESP32, nRF5x.

C 1,037 203 Updated Apr 2, 2026

Community developed and maintained version of the OS/Net consolidation

C 207 89 Updated Mar 31, 2026

An EPub Reader for the ESP32 based InkPlate e-Ink devices.

C 269 21 Updated Apr 3, 2026

A port of the netbsd utilities for linux(and may be another unix like operating systems)

C 55 2 Updated Mar 28, 2026

HDMI CEC to USB HID keyboard adapter

C 70 13 Updated Mar 25, 2026

Graphics library for M5Stack series

C 322 99 Updated Mar 24, 2026
C 17 1 Updated Mar 23, 2026

Single-header CLI with history and autocompletion for embedded systems (like Arduino or STM32)

C 356 54 Updated Mar 11, 2026

Unofficial app to pair with Fujifilm cameras

C 170 13 Updated Feb 23, 2026

BreezyBox shell demo for esp32s3

C 246 5 Updated Feb 22, 2026

The firmware for the DSpico.

C 242 29 Updated Feb 20, 2026

Lightweight shell implementation for embedded systems

C 200 35 Updated Sep 20, 2025

Reimplementation of proprietary MTP responders for black-box testing

C 20 2 Updated Aug 18, 2025

LVGL 8.4 + GxEPD2_BW Integration for ESP32-S3 with Waveshare ePaper

C 2 Updated May 13, 2025

HDMI CEC to USB HID keyboard adapter

C 10 1 Updated Apr 16, 2025

HDMI CEC to USB HID keyboard adapter

C 2 Updated Apr 14, 2025
C 1 Updated Apr 7, 2025

Tiny command line interface for embedded systems

C 11 1 Updated Jan 14, 2026

Reverse engineering Fujifilm cameras

C 373 16 Updated Aug 17, 2024

An example project that shows how to use LVGL using PlatformIO on M5Stack Core devices

C 26 9 Updated Feb 7, 2024

Linux tool to query SMA inverters via bluetooth

C 19 4 Updated Sep 19, 2012