There are plenty of radios you can buy that pick up MW and SW bands if that’s what you’re into. Or, you can follow [mircemk]’s example, and whip one up yourself instead. The build employs an ESP32 as ...

Also: I built my own Wi-Fi router with a Raspberry Pi for Starlink and solar control - here's how. A Pi 5 can use as much as 12 W of power (and that's before you hook up various H ...

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 subject and resumed some basic ...

LILYGO T-Vending is an ESP32-S3 WiFi and Bluetooth IoT board designed for vending machines with an RS485 terminal block, a microSD card slot, and support for an optional cellular mPCIe module. As I ...

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 ...