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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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Illustration comparing Arduino OTA and Web OTA firmware update methods on the EQSP32 industrial ESP32-based micro-PLC IIoT controller. The image shows a laptop with Arduino IDE labeled “Arduino OTA” on the left and a web browser update window labeled “Web OTA” on the right, under the title “Over-the-Air Updates.”

Industrial ESP32 PLC Over-the-Air Updates (OTA): How to Wirelessly Update EQSP32 Firmware

August 26, 2025
by Ermis Stouraitis with No Comment Application NoteTutorial

Perform password-protected Over-the-Air Updates (OTA) on EQSP32 industrial ESP32 micro-PLC using Arduino OTA or the built-in Web Maintenance Panel (port 8000).

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Web server solutions using the EQSP32 IoT PLC. Wifi provisioning, monitoring and control offering a clean, license free solution running on any local network.

How to build a local web server UI for your IoT automation — Featuring the EQSP32 IIoT PLC

July 7, 2025
by Ermis Stouraitis with No Comment Application NoteTutorial

Learn how to build web server UI dashboards with EQSP32 IoT PLC for real-time industrial and commercial IoT automations and monitoring.

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Temperature sensors - Cover image

How to measure temperature with a PLC — A practical guide using the EQSP32 IoT controller

May 2, 2025
by Ermis Stouraitis with No Comment Application NoteTutorial

Learn how to measure temperature in automation systems using NTC, PT100 and thermocouples on EQSP32 PLC.

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