Restaurant Paging Service based on ESP32 and SX1278 for Long Range Systems, POCSAG or Retekess

POS system tailored for small festivals

ECDH and ECDSA for 8-bit, 32-bit, and 64-bit processors.

A small self-contained alternative to readline and libedit

Real time linux kernel module for the ebusd using the PL011 UART on a Rasperry Pi

A single-file, ANSI C, command-line parsing library that parses GNU-style command-line options.

A series of posts about QEMU internals:

Minimal Kconfig cmake integration (Adapted from Zephyr RTOS).

My kicad library (pcb symbols needs extended layer support)

Network driver for Brother scanner devices. Daemon for press-to-scan functionality.

Scan Key Daemon for Brother Inc. Network Scanners

Arbitrary-sized integer class for C++

Small portable Elliptic-Curve Diffie-Hellman in C

Simple old-school Text User Interface

Extremely fast and lean, yet fully functional, SIP (RFC3261) and RTP (RFC3550) implementation

A lightweight SIP client written in ANSI C.

MRI - Monitor for Remote Inspection. The gdb compatible debug monitor for Cortex-M devices.

GDB stub that allows debugging of embedded devices

Embedded GDB server implementation for 8-bit AVR MCU

V 2.0

SIP Phone based on Olimex ESP32-ADF, MOD-LCD2.8RTP boards.

Easy-to-use SIP library for IoT/ToT applications

ESP32 simple VoIP phone based on SPH0645 mic and UDA1334A decoder

SIP client for ESP32 to initiate a phone call from a door bell