Changelog

Version history for Domoriks hardware, firmware, and software.

HA Integration

v1.0.0 — 2025-03-01 — Initial release

  • UI-only setup flow: serial port selection, baud rate, module discovery, output naming
  • Switch entities for every relay output channel
  • Binary sensor entities for every switch input channel
  • Gateway device with last_rx, last_tx, bus_status sensors
  • Raw command text and button entities on gateway device
  • domoriks.send_raw_command service for automations
  • Per-output name and icon configuration during setup
  • Duplicate prevention per serial port
  • Diagnostics download per config entry
  • HACS compatible (hacs.json included)
  • Python 3.11 / Home Assistant 2024.1+
  • Dependency: pymodbus 3.x

Relay Module Firmware

v1.0.0 — 2025-03-01 — Initial release

  • Modbus RTU slave, 9600/19200/38400 baud
  • FC01 read coils, FC05 write single coil, FC0F write multiple coils
  • FC03 read holding registers, FC06 write single register
  • Address and baud rate writable via FC06, saved to Flash on write
  • Power-on state: all relays de-energised
  • IWDG watchdog (5s timeout, configurable)
  • Debug UART on USART2 at 115200 baud
  • Targets STM32G030F6P6

Switch Module Firmware

v1.0.0 — 2025-03-01 — Initial release

  • Modbus RTU slave, 9600/19200/38400 baud
  • FC02 read discrete inputs
  • FC03 read holding registers, FC06 write single register
  • Configurable per-channel debounce (0–1000 ms, default 20 ms)
  • Power-on: reports current switch states immediately
  • Optocoupler input, active-low
  • Targets STM32G030F6P6

DIN Relay Module Hardware

v1.0 — 2025-02-01 — Initial release

  • 4 DIN units, 72 × 90 mm PCB
  • 8× SPDT relay (Songle SRD-05VDC or Omron G5LE-1)
  • STM32G030F6P6 MCU
  • SN65HVD3082E RS-485 transceiver
  • 24V input, onboard 24→5V DC/DC
  • TVS protection on RS-485
  • Reverse polarity protection on 24V
  • 8-position DIP switch for address
  • KiCad 7 source files

Compact Switch Module Hardware

v1.0 — 2025-02-01 — Initial release

  • 2 DIN units, 36 × 90 mm PCB
  • 8× optocoupled dry-contact input (PC817)
  • STM32G030F6P6 MCU
  • SN65HVD3082E RS-485 transceiver
  • 24V input, onboard 24→3.3V DC/DC
  • 8-position DIP switch for address
  • KiCad 7 source files

Configurator

v0.9.0 — 2025-03-01 — Beta release

  • Bus scan (full 1–247 and quick 1–32)
  • Module discovery with type and firmware version detection
  • Address assignment via FC06 register write
  • Output and input labelling with MDI icon support
  • JSON configuration file save/load
  • HA bundle export
  • PySide6 (Qt6) GUI
  • Cross-platform: Linux, macOS, Windows
  • Firmware flash via Modbus bootloader (in progress)
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