din-rail

Open-source modular DIN-rail home automation and sensor. ESP32-S3 core with Ethernet, Zigbee, RS485. 9 I/O modules via I2C: relays, contacts, energy meter, sprinklers. ESPHome-based, integrates Home Assistant. Low-voltage, cabinet-oriented. Built for learning & customization.

• Updated Aug 28, 2026
• HTML

3D printed Din-Rail mount for PCB and other components

• Updated May 22, 2026
• OpenSCAD

Industrial DIN-rail GPIO expander with MCP23017 providing 16 I/O channels via I2C. Features optoisolated inputs, high-current outputs, selectable 5V/24V power, and hardware address configuration with 7-segment display. Ideal for PLC expansion and industrial automation.

• Updated Jul 22, 2026
• C++

A very large ( 36" x 36" ) 3D Printer assembled with DIN Rails

• Updated Nov 12, 2018

Web-based tool to design and generate printable electrical panel labels for DIN rail breakers

• Updated Jun 21, 2026
• JavaScript

Gevako RS5 Smart Relay

• Updated Jun 13, 2026

Haseman-SmartThings-Device-Handlers

• Updated Aug 14, 2020
• Groovy

• Updated Aug 5, 2026
• C++

small PCB for low voltage distribution

• Updated May 24, 2024

Gevako RS6 Smart Relay

• Updated Jun 13, 2026

IoT Power Meter for real-time energy monitoring. Includes a local color display, acoustic alarms, and a web interface for smart home integration (Home Assistant/MQTT).

• Updated Jun 17, 2026
• HTML

Free interactive distribution board planner — configure panels with drag & drop. MCB, RCD, RCBO, terminal blocks, wiring and more. Fully client-side, no server required. ▎ Interaktiver Sicherungskasten-Planer — Unterverteilungen mit Drag & Drop konfigurieren. LS, RCD, FI/LS, Klemmenblöcke, Verkabelung und mehr. Rein clientseitig, kein Server nötig.

• Updated Mar 28, 2026
• JavaScript