Obtaining data from Google spreadsheets using Node-RED Jun 15, 2026 Raspberry Pi for Industry This is part 3 of a 3-part series. Part 1 covers reading temperature data via MQTT, and part 2 covers writing it to a Google Sheet. In this part, you’ll read the stored data using the GSheet node, tra... Dashboard Data Storage Node-Red Raspberry Read more
How to test the I2C communication protocol with Raspberry PLC Jun 15, 2026 Raspberry Pi for Industry The I2C bus is available on all Raspberry PLC models and is compatible with a wide range of sensors and peripheral integrated circuits. Before using a connected I2C device, you need to know its addres... Communication I2C I2CSCA I2CScanner OpenSource RaspberryPLC automation Read more
Connecting multiple SPI slaves to an M-Duino PLC Jun 15, 2026 Arduino Industrial SPI (Serial Peripheral Interface) is a synchronous serial communication protocol commonly used to connect a master device to one or more peripherals. Compared to I2C, SPI is faster and simpler: instea... MDuino Open-Source SPI Slave Read more
Controlling addressable LED strips with M-Duino and ESP32 PLC Jun 15, 2026 Arduino Industrial Addressable LED strips such as the WS2812B use a single data wire to control each LED individually in colour and brightness. This article shows how to connect a WS2812B strip to an M-Duino or ESP32 PL... Read more
Controlling a stepper motor with an ESP32 PLC Jun 15, 2026 Arduino Industrial In this post we will see how to control a stepper motor using an ESP32 PLC. We will cover the basics of stepper motors, their features, and how they work in combination with a driver controlled by the... Read more
Lora communication between two Raspberry Pi PLCs Jun 15, 2026 Raspberry Pi for Industry El Raspberry PLC supports optional click modules for specialised communications. This article shows how to set up LoRa radio communication between two Raspberry PLCs using the RN2483A module. LoRa (Lo... Read more
How to check the Raspberry PLC outputs Jun 15, 2026 Raspberry Pi for Industry To verify that the outputs of your Raspberry PLC are working correctly, the recommended approach is to run a C++ test program that toggles all digital, analogue, and relay outputs every second. If the... Read more
Testing CAN/SPI communication on the ESP32 PLC 14 Jun 12, 2026 Arduino & Raspberry Pi Industrial News, Industry 4.0, IoT In this blog post, we explain how to test CAN bus communication between two ESP32 PLC 14 units using the CAN SPI 5V click module and Arduino IDE. Hardware setup: connecting the CAN SPI click The ESP32... Read more
Ethernet connection with an ESP32 PLC or an M-Duino PLC Jun 12, 2026 Arduino & Raspberry Pi Industrial News, Industry 4.0, IoT In this blog post, we explain how to configure and test Ethernet connectivity on any ESP32 PLC or M-Duino PLC from Industrial Shields, using the Arduino Ethernet library. The example sketch connects t... Read more
Testing inputs, outputs and relay on the ESP32 PLC 14 Jun 12, 2026 Arduino & Raspberry Pi Industrial News, Industry 4.0, IoT In this blog post, we will execute a test using the Arduino IDE platform to check the proper functioning of the inputs, outputs, and relays of an ESP32 PLC 14 IOs. Setting up Arduino IDE for the ESP32... Read more
How to configure a static IP with industrial Raspberry Pi automation Jun 11, 2026 Raspberry Pi for Industry Introduction Would you like to change the static IP from your Raspberry Pi PLC controller? Follow the steps on this post to find out how to do so with industrial automation! Remember that if you chang... Ethernet IPaddress Raspberry RaspberryPLC Static IP Read more
How to be more efficient at work: Strategies for working smarter Jun 11, 2026 Arduino & Raspberry Pi Industrial News, Industry 4.0, IoT Every day you work hard and you are aware of it. Both your mind and your body are aware of it. Maybe you've thought about how many projects you have in mind or how far you have to travel to work. You ... Read more