Designed for security and durability, the robust Arduino Opta micro PLC makes industrial and building automation accessible to everyone. Arduino Opta offers versatility and allows for integration with ...

// This edited program implements the HMI end ONLY (For now... see later tutorials) // of an Arduino communicating with a DELTA HMI to control a Schneider Variable Speed Drive (VSD) // over MODBUS RTU ...

“M5Stamp PLC Controller with M5StampS3” or just “M5Stack StamPLC” is a programmable logic controller (PLC) based on the StampS3A ESP32-S3 wireless module and offering 8 opto-isolated digital inputs, 4 ...

At the core of the Arduino PLC Starter Kit lies the Arduino Opta mini PLC, a state-of-the-art microcontroller that serves as the brain of your automation projects. This powerful device boasts seamless ...

Last time, we’ve used a logic analyzer to investigate the ID_SD and ID_SC pins on a Raspberry Pi, which turned out to be regular I2C, and then we hacked hotplug into the Raspberry Pi camera code with ...

I recently received a request from a social media friend to clear some confusion about a RS-422 communication project. I quickly brushed up my knowledge on the ...

The Arduino Opta is a secure, easy-to-use micro-PLC with IIoT capabilities, designed in partnership with industrial and building automation specialist Finder. Ready-to-use Arduino sketches, tutorials ...

RS485 is an experimental library to make half duplex communication easier. The library implements the Stream interface so the user can use print() and write() calls just like one does with Serial.

Raspberry Pi RP2040 MCU has been used in many boards, but I think I had seen the dual-core MCU in a PLC, or even any industrial products just yet. Sfera Labs Iono RP is a compact I/O module (PLC) with ...

Choosing a communication protocol for communication between microcontrollers and peripheral devices is an important part of embedded system. It is important because the overall performance of any ...