PTVO firmware for CC2530, CC2531, and CC2652 Zigbee chips

Dingtian Relay Python Plugin for Domoticz

UI to manage python plugins in Domoticz

Using your OpenWRT Router's Wifi to detect if a person's smartphone is still in/near the apartment and publish via MQTT

Pure Python library for reading DHT11 sensor on Raspberry Pi

uhubctl - USB hub per-port power control

Use an ESP8266 and a TI CC1101 modem to control your Computherm/Delta Q7RF/Q8RF receiver equiped boiler.

Simple chat program that communicates using inaudible sounds

Domoticz MQTT autodiscovery plugin for Tasmota devices

Driverless USB HID bootloader and flashing tool for STM32F10X devices

WIZnet W5500, W5200, W5100 ethernet library for 8-bit, 32-bit Arduino and STM32F1 (STM32F103) micro-controllers

Raspberry Pi mini system and hardware info on Python Flask dashboard

Simple python for accessing TEMPer USB thermometers

Building Management and Control system

Easy MultiSensor device based on ESP8266/ESP32

Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP…

RasPi Check - an Android app for checking your Raspberry Pi status.

Plugin ideas, concepts, user contributed, etc