We’ve all built projects that are a rats’ nest of wiring and feature creep, but the best projects in the end are usually those that use a simple solution to elegantly solve a problem.

When I showed Bob Pease one of the many solenoid driver circuits available on the Web, he scoffed. “That’s not the way to do it!” he exclaimed. He wrote me: “Was there a READER who wanted to know how ...

The Arduino Opta micro programmable logic controller (PLC) provides a unique entry point into the automation field. Automation fields like smart homes, process controls, and robotics are project areas ...

In need of a simple microcontroller board for your project? Then, an Arduino board might be exactly what you're looking for. This open-source hardware platform comes in a multitude of versions, from ...

This is a replacement 24v relay board for use in Williams System 11 pinball machines. The original part number is C-11998-1. It is in KiCad 7 format. The gerbers for JLCPCB are in the zip file in the ...

On the surface, a programmable logic controller (PLC) might seem like nothing more than a generic microcontroller, perhaps outfitted to operate in industrial settings with things like high ...

A buzzer has two pins, namely positive and negative. The positive terminal is represented by the ‘+’ symbol and negative terminal is represented by the ‘-’ symbol just like an led and a capacitor.

I've got a storeroom in a garage that has some stuff in it that is a little more temperature sensitive, and has more variability than I'd like (it also has some equipment that generates a bit of heat, ...