Setting up Modbus on a Raspberry Pi PLC with CODESYS Jun 19, 2026 This guide assumes you have already completed the initial CODESYS setup described in Setting up CODESYS for Raspberry Pi PLC in industrial automation : CODESYS V3.5 SP19 installed on your PC, the CODE... Read more
Advanced Communication Setup: Two Raspberry Pi PLCs with LoRa Modules and a LoRaWAN Gateway Jun 18, 2026 LoRaWAN LoRaWAN (Long Range Wide Area Network) is a wireless communication protocol designed for low-power, long-range data transmission. It is used primarily in IoT (Internet of Things) applications ... Read more
LTE Cat.4 with Raspberry PLC Jun 18, 2026 Ready to enhance your IoT projects with Raspberry PLC and LTE IoT Expansion Boards? The Raspberry PLC supports the LTE Cat.4 3 Click expansion board, which features the LARA-L6004D-01B module. This mo... Read more
How to change MTU size on Raspberry Pi PLC Jun 18, 2026 Network packets have a maximum payload size defined by the MTU (Maximum Transmission Unit). The standard value is 1500 bytes — a limit inherited from early Ethernet hardware. In industrial environment... Read more
How to reset a forgotten Raspberry Pi password: SD card method Jun 18, 2026 The default Raspberry Pi OS password is set during initial configuration. If you skipped that step, lost your notes, or inherited a device, you can still recover access without reinstalling the OS. Th... Read more
Store data and display it on Node-RED Dashboard with Raspberry PLC Jun 15, 2026 This article shows how to log sensor data to a file on the Raspberry PLC with Node-RED and the flogger node, then read that file and display the data as a chart in the Node-RED Dashboard. This two-ste... Data Storage Node-Red RaspberryPLC Read more
Obtaining data from Google spreadsheets using Node-RED Jun 15, 2026 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 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
Lora communication between two Raspberry Pi PLCs Jun 15, 2026 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 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
How to configure a static IP with industrial Raspberry Pi automation Jun 11, 2026 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
Analysis of Raspberry Pi PLC pinout time response Jun 11, 2026 Introduction In this post, we will explore the performance of the Raspberry Pi PLC pinout time response, examining its ability to detect and respond to changes in input, as well as the ability to outp... Read more