Modbus RTU Slave emulator for the Viessmann ALE3D5F Energy Meter. This application deployed on a Raspberry Pi with a USB RS485 adapter (e.g. DSD TECH SH U10) dynamically simulates power registers (R37 ...

A complete HMI (Human Machine Interface) application for Raspberry Pi OS Lite with Modbus TCP support, WiFi management, and GPIO control. ├── main.py # Application entrypoint ├── gui.py # Tkinter ...

Sequent Microsystems has created a new Raspberry Pi learning kit complete with a Node-RED tutorial providing an easy way to learn about automation control interfaces using Node-RED from simple ...

Recently, [Edward Schmitz] wrote in to let us know about his Hackaday.io project: SigCore UC: An Open-Source Universal I/O Controller With Relays, Analog I/O, and Modbus for the Raspberry Pi. In the ...

When you want to connect an IoT device to anything (or, for that matter, anything to anything), you should take a serious look at Node-RED, a free, open source visual process wiring system from IBM ...