Calibrate AVR MCU clock frequency and internal reference voltage and set calibration values at program startup

Public hardware files related to Core Devices products

A cross-platform GDB server for AVR MCUs

ESP32 Music streaming based on Squeezelite, with support for multi-room sync, AirPlay, Bluetooth, Hardware buttons, display and more

Codebase for firmware that runs on Pebble smartwatches.

Firmware source and binaries for the RP2040-based Debug Probe accessory

This is the latest version of the internal repository from Pebble Technology providing the software to run on Pebble watches. Proprietary source code has been removed from this repository and it wi…

A Simple ESP32 Bluetooth A2DP Library (to implement a Music Receiver or Sender) that supports Arduino, PlatformIO and Espressif IDF

EDBG USB bootloader for AVR-DU series

A FPGA-based receiver for Behringers Ultranet (X32, P16-I, P16-M, etc.)

Easily convert AVR-DU family into a USB connected UPDI/TPI/PDI programmer.

Demo project how to use LVGL with ESP-IDF for MaTouch and Sunton displays

A web UI for Siglent SDG-2000x signal generators

UPDI High-Voltage Programmer

support TFT35 V1.0/V1.1/V1.2/V2.0/V3.0, TFT28, TFT24 V1.1, TFT43, TFT50, TFT70

Simple stand-alone debugger for AVR DebugWIRE chips connected directly to an FT232R/CH340/DigiSpark/LittleWire on Linux or Windows.

Read-only mirror of the official repo at git://sigrok.org/libserialport. Pull requests welcome. Please file bugreports at sigrok.org/bugzilla.

A spotify daemon

Linux distribution optimized for audio playback

I²C OLED on an ATtiny10/13/202

FastUPDI UPDI Programmer and interface

usbasp improved firmware

Pre-compiled urboot bootloaders

An Arduino-like programming API for the CH55X

A bare metal programming guide (ARM microcontrollers)

Small AVR bootloader using urprotocol

Low-level protocol library for communicating with Microchip CMSIS-DAP based debuggers

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