HomeMaster

Configurator, firmware & documentation

Everything for your HomeMaster devices in one place. Configure modules over USB-C, download firmware, and open datasheets, schematics and declarations of conformity — for the PLCs, the OpenTherm gateway and every module.

WebConfig needs desktop Chrome, Edge, Opera or any Chromium browser. Firefox only on Nightly with the Web Serial flag. Not supported in Safari.
Current stable, shipped on new modules Beta under testing, may change Legacy previous version, superseded Old superseded, kept for existing units

Controllers & Gateway

HomeMaster MiniPLC ESP32 DIN-rail PLC
MiniPLCMade for ESPHome

MiniPLC

ESP32 Programmable Logic Controller (USB / Ethernet).

MiniPLC ESPHome firmware (YAML)
Configured in ESPHome — no USB-C WebConfig
Documents & resources
HomeMaster MicroPLC compact ESP32 DIN-rail PLC
MicroPLC

MicroPLC

Compact ESP32 PLC for DIN-rail automation.

MicroPLC ESPHome firmware (YAML)
Configured in ESPHome — no USB-C WebConfig
Documents & resources
HomeMaster OpenTherm Gateway boiler controller
OpenThermGatewayMade for ESPHome

OpenTherm Gateway

Smart boiler controller using the OpenTherm protocol.

OpenTherm Gateway ESPHome firmware (YAML)
Configured in ESPHome — no USB-C WebConfig
Documents & resources

Configurable modules

HomeMaster AIO-422-R1 analog I/O module
AIO-422-R1

Analog I/O

High-precision analog I/O for HVAC, environmental monitoring and control.

Open WebConfig
Current firmware v0.2.0
All versions & firmware
Documents & resources
HomeMaster ALM-173-R1 alarm I/O module
ALM-173-R1

Alarm I/O

Alarm I/O for intrusion detection, fault annunciation and local supervision.

Open WebConfig
Current firmware v0.2.0
All versions & firmware
Documents & resources
HomeMaster DIM-420-R1 AC dimmer module
DIM-420-R1

AC Dimmer

Dimming of AC loads via leading / trailing edge phase control.

Open WebConfig
Current firmware v0.1.0
All versions & firmware
Documents & resources
HomeMaster DIO-430-R1 digital I/O relay module
DIO-430-R1

Digital I/O

Digital input monitoring and relay output for lighting, HVAC and alarms.

Open WebConfig
Current firmware v0.2.0
All versions & firmware
Documents & resources
HomeMaster ENM-223-R1 3-phase energy meter
ENM-223-R1

Energy Meter

3-phase power quality and energy metering.

Open WebConfig
Current firmware v0.2.0
All versions & firmware
Documents & resources
HomeMaster RGB-621-R1 RGB CCT LED controller
RGB-621-R1

RGB + CCT LED

RGB and tunable-white LED controller for Modbus RTU networks.

Open WebConfig
Current firmware v0.2.0
All versions & firmware
Documents & resources
HomeMaster WLD-521-R1 leak and water module
WLD-521-R1

Leak & Water

Leak detection, water-flow metering, heat-energy monitoring and irrigation.

Open WebConfig
Current firmware v0.1.0
All versions & firmware
Documents & resources
HomeMaster STR-3221-R1 stair LED controller
STR-3221-R1

Stair LED Controller

Stairway LED controller: 32 dimmable outputs, 3 isolated inputs, 4 buttons.

Open WebConfig
Current firmware v0.1.0
All versions & firmware
Documents & resources