Top 30 Arduino blogs and what it says about open source hardware in industry May 25, 2026 We received a message this week from FeedSpot: the Industrial Shields Arduino blog has been selected as one of the Top 30 Arduino Blogs on the web, 2026 edition . We are glad to be on that list. And i... Read more
A small controller with a serious job to do May 25, 2026 The ESP32 PLC 14 is a compact industrial PLC built for distributed control — reliable connectivity, open-source programming, and room to grow. Small footprint. Real industrial work. Not every automati... Read more
Open source hardware in industrial automation: why Arduino-based PLCs give you a real competitive edge May 18, 2026 In B2B industrial automation, the choice of control hardware is rarely just a technical decision. It is a strategic one. The platform you select today will shape your engineering costs, your talent pi... Read more
Success story: from a simple sensor to digitalizing a bottling line May 13, 2026 From bottle rejection to full line monitoring: how it started The best projects often start this way: a specific problem, hardware more than capable of solving it, and an engineer willing to push furt... Read more
Success story: industrial automation and open source in advanced wood research May 13, 2026 Detecting wood grain angle in 60 timber species: the measurement challenge In the timber industry, the precise determination of grain angle is crucial for evaluating the mechanical strength and qualit... Read more
How to work with the 5GHz Wi-Fi module of the ESP32 Apr 17, 2026 Introduction The devices of the ESP32 Ethernet & WiFi & BLE PLC controller family have an integrated 5GHz Wi-Fi specific chip, called ISM43340. As you may know, the 5GHz Wi-Fi band is an improved vers... 5GHz Communication ESP32 ESP32PLC PLC Wi-fi Wifi Read more
Meet the Arduino UNO Q: The Next-Level Edge Power for Makers, Developers, and Industrial Innovators Oct 13, 2025 An Arduino Linux + Microcontroller Hybrid for Edge AI, IoT, and Real-Time Control The  Arduino UNO Q  is here — and it’s changing the rules of what a development board can do. Designed for makers,... Read more
OneWire with Arduino and ESP32 based PLCs Jun 17, 2025 Introduction If you're diving into the world of industrial PLCs and temperature measurement, you'll inevitably come across the OneWire protocol and DallasTemperature sensors like the DS18B20. These to... Read more
Live debugging with OpenPLC Jun 9, 2025 OpenPLC allows us to live debug a remote PLC. It's a very powerful tool, but there are some things that have to be taken into account to avoid any possible issues. Previous blogs This blog is part of ... Read more
Using the Powermeter module with ESP32 PLC 14 Feb 13, 2025 Introduction The ESP32 PLC 14 with the Powermeter expandable module featuresreal-time monitoring of electrical parameters across a three-phase system. The setup involves three live (phase) lines— Line... Read more
Modbus RTU with Arduino and ESP32 based PLCs Feb 11, 2025 Introduction Modbus RTU is a widely used communication protocol in industrial automation, known for its simplicity, reliability, and ability to operate over long distances. It facilitates communicatio... Read more
Building an MQTT over TLSÂ Connection: A Guide for ESP32 PLC Feb 10, 2025 Introduction In the world of Internet of Things , secure and reliable communication is of paramount importance. MQTT (Message Queuing Telemetry Transport) is a lightweight messaging protocol widely us... Read more
