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 ...

The ESP32 keeps finding new jobs in my house.

There are plenty of radios you can buy that pick up MW and SW bands if that’s what you’re into. Or, you can follow [mircemk]’s example, and whip one up yourself instead. The build employs an ESP32 as ...

July 7, 2026 • Pete Hegseth's Pentagon has been dismantling diversity initiatives and blocking the promotions of high-ranking Black officers. This week, Parker talks with The Atlantic's Clint Smith, ...

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 ...

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 ...

Abstract: This article introduces an inexpensive Wiegand-sensor-based rotary encoder that avoids rotating magnets and is suitable for electrical-drive applications. So far, Wiegand-sensor-based ...

Chances are, you’ve heard of the police code 10-4, which means “affirmative” or an acknowledgment of a message. But if you hear a police officer say 10-33, there’s a police emergency underway. However ...

OptiTrack is an Arduino-based optical encoder system developed for real-time rotation monitoring and pulse counting applications. The system utilizes an infrared (IR) sensor and a slotted encoder ...