100kHz to 6GHz 2 port USB based VNA

A font writer plus a collection of MicroPython fonts for small Mono displays and devices

QCSuper is a tool communicating with Qualcomm-based phones and modems, allowing to capture raw 2G/3G/4G radio frames, among other things.

A MIT-licensed hobby operating system

Dependency lockfiles for reproducible build environments 📦🔒

HackieboxNG is a fully open source custom bootloader for the Toniebox (CC3200).

A small tool to write files in TI's CC3200 SimpleLink (TM) filesystem.

Nix flake and overlay for ESP8266 and ESP32 development.

Richtlinien für Designs und Styleguides von Chaos-Veranstaltungen

Physical access control (Rust firmware)

KiCad symbol library for sky130 and gf180mcu PDKs

A CAD application for creating virtual LEGO models

Visual Jockey Program that can use midi equipment to control visuals

Kiri is a visual tool designed for reviewing schematics and layouts of KiCad projects that are version-controlled with Git.

This is the fully-functional GNU Radio software-defined radio (SDR) implementation of a LoRa transceiver with all the necessary receiver components to operate correctly even at very low SNRs. This …

A list of things to do, to pack and tips on attending a congress, especially Chaos Communication Congress.

A ground-up rebuild of the stock gridfinity bins in OpenSCAD

A generic satellite data processing software.

Generate propeller blades in OpenSCAD

32-bit RISC-V CPU in ~800 lines of C89

OpenSCAD model to create a compactable light column from cheap parts

The KiCAD web viewer

Custom firmware for the Xiaomi Thermometer LYWSD03MMC and Telink Flasher via USB to Serial converter

MicroPython - a lean and efficient Python implementation for microcontrollers and constrained systems

CaribouLite turns any 40-pin Raspberry-Pi into a Tx/Rx 6GHz SDR

Parametric LEGO Technic-compatible parts and electronics enclosures

A collection of NixOS modules covering hardware quirks.