As you may have noticed, I’ve been working with an STM32 ARM CPU using Mbed. There was a time when Mbed was pretty simple, but a lot has changed since it has morphed into Mbed OS. Unfortunately, that ...

This library uses a PCF8575 to read the pulses of a rotary encoder. As a PCF8575 has 16 lines up to 5 decoders with a switch can be read over I2C. The PCF interrupt line can be used to detect changes ...

Encoders are a vital component in many applications that require motion control and feedback information. Whether a system’s requirement is speed, direction, or distance, an encoder produces control ...

If you’ve ever spent time in a modern BMW, you’ve probably fussed about with the goofy iDrive controller. It’s a rotary knobbery slidery thing that just never really feels that good to use. [Garage ...

What's CODE SWITCH? It's the fearless conversations about race that you've been waiting for. Hosted by journalists of color, our podcast tackles the subject of race with empathy and humor. We explore ...

We now have our hands on the Nintendo Switch 2, a new console from one of the biggest names in gaming. Alas, a new console is only as valuable as the library of games you can build on it. Thankfully, ...

Mechanical keyboards are becoming more and more mainstream for gamers and computer users all around. These keyboards offer excellent typing experiences and fast, responsive gameplay, but what makes ...

My PCMag career began in 2013 as an intern. Now, I'm a senior writer, using the skills I acquired at Northwestern University to write about dating apps, meal kits, programming software, website ...

Lars is a bloodhound when it comes to sniffing out bargains, including on major sales events such as Black Friday and Amazon Prime Day. He is also handy at unravelling tech jargon and anything related ...

Abstract: This paper presents a precision capacitive rotary encoder that integrates a shared charge amplifier, and a multi-stage offset calibration scheme. Recently, capacitive encoders have gained ...

A DIY rotary inverted pendulum you can print, solder, and train at home — for about £20 in parts. It's an open, hackable take on the rigs you'd usually buy from a lab-equipment vendor (Quanser's QUBE ...