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New Features Introduced with EQSP32 Library v1.3

April 2, 2026
by Ermis Stouraitis with No Comment News

Get access to BLE serial over NUS, richer MQTT interfaces, improved memory efficiency, and more flexibility for custom IIoT solutions with EQSP32 library v1.3.

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Node-RED dashboard and EQSP32 IoT controller connected via an MQTT broker for monitoring and control. Shows bidirectional communication with MQTT topics powering automation dashboards.

Seamless IIoT Node-RED and EQSP32 PLC Integration: Real-Time Monitoring and Control over MQTT

September 27, 2025
by Ermis Stouraitis with No Comment DemosTutorial

Integrate the EQSP32 industrial ESP32 PLC with Node-RED over MQTT to build real-time automations and dashboards, for monitoring and control, with minimal code.

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Featured image showing rooftop solar panels, a smartphone dashboard, and an EQSP32 industrial IoT PLC mounted on DIN rail, highlighting zero-export solar control capabilities.

Zero-Export Solar Control with the EQSP32 IIoT micro-PLC

June 17, 2025
by Erqos Team with No Comment Application Example

Stay grid-compliant and capture every watt: EQSP32 DIN-rail PLC teams with Modbus RTU meters & Modbus-TCP inverters for zero-export solar and cloud dashboards.

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Solar water heater application example cover image.

Smart Solar Water Heater with Home Assistant Integration

June 26, 2024
by Erqos Team with No Comment Application Example

Implement a smart solar water heater system using the EQSP32 IIoT controller and integrate it with Home Assistant for efficient monitoring and control.

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EQSP32 - Din rail mount industrial IoT controller - ESP32 PLC. EQSP32 is introducing itself to Home Assistant and it is ready to execute commands.

Interfacing EQSP32 with Home Assistant (Industrial ESP32 IoT Controller)

June 19, 2024
by Ermis Stouraitis with No Comment Tutorial

Learn how to create interfaces between EQSP32 and Home Assistant for monitoring sensors and controlling loads or actuators.

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Enable MQTT discovery (Industrial ESP32 IoT Controller)

June 18, 2024
by Ermis Stouraitis with No Comment Tutorial

Enable MQTT discovery for EQSP32 and integrate it with Home Assistant.

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Exciting New Features with Library v0.2.0-beta

June 13, 2024
by Ermis Stouraitis with No Comment News

Discover EQSP32 Library v0.2.0-beta: new features for ESP32 PLC, including Home Assistant integration and IoT expansion modules.

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iot vs iiot vs industry 4.0 erqos article cover image

What is IoT, IIoT and Industry 4.0 in Automation

June 6, 2024
by Ermis Stouraitis with No Comment Educational

Understand what is IoT vs IIoT and Industry 4.0. Get started with IoT automation using EQSP32-DIN rail mount ESP32 PLC, user-friendly API and AI-generated code.

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