Abstract: This work presents a cost-effective approach to implementing programmable logic controllers (PLCs) for educational use, using commercial microcontrollers (Arduino UNO, ESP8266 NodeMCU) and a ...

📢 Announcement: Since the release of v1.3.0, our official dockerhub namespace has been changed to topmaker, you can pull the latest images from topmaker/modpoll at dockerhub. Learn more about modpoll ...

We have previously written about various industrial Raspberry Pi systems and gateways that come with RS-485 built in, but we had yet to cover a dedicated RS-485 Raspberry Pi HAT. To fill this gap, ...

Build Your Own Coffee Roaster shows how to create a DIY coffee roaster using a Raspberry Pi, standard components, and open-source software. Home coffee roasting doesn’t have to mean expensive ...

Abstract: This paper presents a high performance 4-layer communication architecture for a smart micro-grid testbed which consists of a 2 kVA Distributed Energy Resource (DER) inverter with PV and ...

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 ...

The Kappa4310Rasp is a Raspberry Pi-compatible Modbus RTU HAT designed to evaluate the IS4310 Modbus RTU Slave stack chip. This allows engineers to simulate sensor and actuator interactions using a ...

Sequent Microsystems has introduced the Eight 24-bit Analog Inputs DAQ HAT, a high-precision data acquisition board designed for Raspberry Pi. This HAT provides eight differential analog inputs with ...

At HMS, we believe that connecting matters, in everything from making devices, machines and systems talk, to engaging actively with our customers. Our state-of-the-art technology connects millions of ...

This project will monitor a backup generator that utilizes the Generac Controllers over a WiFi or wired connection. The following generator controllers are supported: The project is written mostly in ...