This Python project can control up to 64 individual 8 channel R421A08 relay boards from the command line and GUI. It uses a universal USB - RS485 dongle. Python packages for easy application ...

Account manager Matt Richards, 23, deleted all his social media apps from his phone last year, and was surprised to find that his life changed for the better. Richards had been using a smartphone ...

This is a DIY Arduino-based overcurrent relay project that emulates Inverse Definite Minimum Time (IDMT) protection using an Arduino Nano and ACS712 current sensor. Instead of traditional ...

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 ...

Abstract: This paper explains how to set up the communication between PLC and Arduino based on Modbus Protocol. PLC is a master and Arduino is a slave. A Fx2N-48MR, a Fx2N-485BD, an Arduino main board ...

This library was created to make it easier to create communication between devices using ModBus RTU protocol, based on RS485 wiring. As it state in the title, library is written only for handling ...

In just 100 seconds, learn how Arduino works - from its microcontroller and architecture to how it's programmed and used in real-world projects. A fast, simple intro to one of the most powerful tools ...

Three gold medals were awarded during the first session of swimming finals at the World University Games, held in the Rhine-Ruhr region of Germany. Nikolai Kolesnikov came out on top in a hard-fought ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

Not long after I began contributing to Hagerty eight years ago, I wrote a detailed four-part piece on electrical relays and how they work in cars. You can still find the articles here (Part I: Why We ...