Introducing the HomeMaster MiniPLC: A Compact ESP32 Controller for Smart Homes
HomeMaster MiniPLC Overview
The HomeMaster MiniPLC is a newly launched compact PLC controller that operates on the ESP32 platform, specifically designed for integration with Home Assistant. This innovative device is tailored for both residential and light industrial automation, offering a robust solution for users seeking to enhance their smart home setups.
Key Features
Equipped with various functionalities, the MiniPLC includes:
- Relay outputs and four isolated 24V digital inputs
- 0–10V analog inputs and one 0–10V analog output
- PT100/PT1000 RTD channels and 1-Wire buses
- RS-485 Modbus RTU interface
- 128 × 64 OLED display, four buttons, and 12 LEDs
- Buzzer, RTC, and microSD slot
- Optional 10/100Mbps Ethernet connectivity
With support for both 24V DC and 85–265V AC power, the HomeMaster MiniPLC is a versatile addition to any automation project.
Source: CNX Software – Embedded Systems News (https://www.cnx-software.com/2026/08/26/homemaster-miniplc-an-esp32-din-rail-plc-controller-for-home-assistant/)