Skip to content
EQ Logo - ERQOS
  • EQSP32
  • Products
  • Resources
    • Downloads
    • Manuals
      • EQSP32 Manual – IIoT Logic Controller
      • EQXIO Manual – I/O expansion module
      • EQXAI Manual – Analog input expansion module
      • EQXPT Manual – RTD sensor expansion module
      • EQXRA Manual – Relay and analog out expansion module
      • EQXHI Manual – High-voltage isolated input expansion module
      • EQXTC Manual – Thermocouple expansion module
      • EQXPH Manual – pH sensor expansion module
      • EQX2G Manual – Quad-band GSM/GPRS cellular expansion module
    • Quickstart guide
    • Tutorials
    • Agentic HIL
    • OpenPLC
    • EQ-AI code assistant
    • EQConnect
    • EQVersal I/O
    • Can your PLC do this?
    • Compare Features
    • CE / EU Declaration of Conformity
  • Application Blog
  • Integration Services
  • About
  • Contact
0,00 € 0 Cart

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.

Read More

New 4.3” Industrial Touchscreen HMI Now Available

February 6, 2026
by Ermis Stouraitis with No Comment News

New 4.3” industrial touchscreen HMI featuring 800×480 resistive touch, IP65 front protection, Ethernet and serial interfaces for compact automation systems.

Read More
DMX512 integration using EQSP32 as a DMX controller, featuring an industrial PLC IIoT controller driving professional stage lighting and moving head fixtures, representing the convergence of industrial automation, PLC control, and DMX lighting systems.

Integrate DMX512 on your EQSP32 micro-PLC

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

Learn DMX512 with the EQSP32 micro-PLC, covering DMX universes, RS485 bus topology, and DMX frame structure for industrial and automation applications.

Read More
EQSP32 IIoT Logic Controller connected to a loop-powered 4–20 mA pressure sensor on a stainless-steel process line. The image illustrates how two-wire analog sensors interface with EQSP32 for industrial measurement and control. Shows signal waveform representing current loop output for process monitoring and IIoT applications.

How Two-Wire 4–20 mA Loop-Powered Current Sensors Work

October 31, 2025
by Ermis Stouraitis with No Comment Educational

Learn how two-wire 4–20 mA loop-powered sensors work and how the EQSP32 Micro-PLC reads precise analog signals for industrial IoT applications.

Read More
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.

Read More
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).

Read More

Next-generation EQSP32 Ethernet & 4–20 mA industrial IoT PLC is here

August 6, 2025
by Ermis Stouraitis with No Comment News

Next-gen EQSP32CE PLC with Ethernet, 0–10 V & 4–20 mA inputs is here! First units are shipping now—secure your ESP32-based industrial IoT Micro-PLC today.

Read More

New EQSP32 code examples now on GitHub

August 6, 2025
by Ermis Stouraitis with No Comment News

New EQSP32 code examples now on GitHub! Industrial serial communication, RS485 Modbus RTU, Web UI, task scheduling & more. Fast-start your IIoT projects today.

Read More

EQSP32 3D CAD models now available for download

July 22, 2025
by Ermis Stouraitis with No Comment News

Use the available EQSP32 3D models to improve your documentation, plan DIN rail layouts and electrical cabinet installations with sub-millimeter precision.

Read More

Ethernet and 4-20mA on EQSP32 IoT PLC – Fabrication in progress

July 21, 2025
by Ermis Stouraitis with No Comment News

The EQSP32 Micro-PLC is entering its next generation with built-in Ethernet, 4–20 mA current-loop input support, and native 0–10 V analog inputs.

Read More
  • 1
  • 2
  • 3
  • 4
  • Next
  • Last
Open by design. Industrial by nature.

Subscribe to our newsletter

Don’t miss our major updates and milestones

Let's get social

Stay tuned to our casual updates and demos

Facebook-f Icon-twitter-1 Icon-youtube-feed Icon-instagram-2 Icon-linkedin-1

Industrial IoT controllers designed for
professionals who need reliability,
connectivity, and speed to market.

Read our full story.

info@erqos.com
Data Protection
Terms & Conditions
Return & Refund Policy

Copyright © 2026 Erqos Technologies. All rights reserved.

Shopping Basket
✕

Contact us for Availability