Open-source emergency medical equipment, SickBay app, and Gravity Hookah Ventilator design files and firmware for the Pandemic Cookbook.

Optimized firmware for RepRap 3D printers based on the Arduino platform.

Klipper is a 3d-printer firmware

Alternative firmware for ESP8266 with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX

A collection of scripts to flash Tuya IoT devices to alternative firmwares