Arduino and PlatformIO IDE compatible TFT library optimised for the Raspberry Pi Pico (RP2040), STM32, ESP8266 and ESP32 that supports different driver chips

Arduino Audio Tools (a powerful Audio library not only for Arduino)

Play mp3 files from SD via I2S

The OpenEPaperLink core project

Arduino library to draw text and graphics on BLE thermal printers

You know what this is for ;-)

this is a uhf app for the flipper zero, that uses the YRM100 module.

Arduino C++ Library and interface to flash the ZBS243 / SEM9110 8051 Microcontroller

nRF24L01 Driver for esp-idf

Example compression and decompression using zlib

ESP32 S2 FTM Anchor

ESP32 IR transmitter for use with the PriceHax project.