Abstract: This project uses some sensors and Arduino to design and implement the Affordable Smart ECG Monitoring System. ECG monitoring is now becoming part of everyday life. Through ECG ...

Brainboxes didn’t just bolt a Pi into a metal box — the company built a factory-grade edge controller that’s designed for ...

Hiwonder has introduced the WonderLLM, an ESP32-S3-based smart chat module that combines a 2MP camera, a 2.0-inch touch ...

When the Arduino UNO Q was first unveiled in October 2025, the specifications of the Qualcomm DragonWing SBC listed the ABX00162 SKU with 2GB RAM and 16GB ...

The NepoTronics Bluetooth RC Car is a professional-grade wireless robotic vehicle that demonstrates seamless integration of microcontroller programming, motor control systems, and Bluetooth ...

arduino-app-cli is a command line tool running on the Arduino UNO Q boards, that manages and runs Arduino Apps (both Linux and microcontroller parts), provides a HTTP daemon mode to expose RestFul ...

There is certainly nothing wrong with appreciating vinyl the old fashioned way, by connecting a purist turntable to an amplifier, which powers a set of passive speakers. Nowadays, however, many also ...

If you have multiple microphones in known locations, and can determine the time a sound arrives at each one, you can actually determine the location that sound is coming from. This technique is ...

There's no surprise why DAB radios remain popular today: compact designs, hundreds of free stations, easy to use – it's a great way to listen to music, news and sports while going about your day. In ...

I've been a contributing editor for PCMag since 2011. Before that, I was PCMag's lead audio analyst from 2006 to 2011. Even though I'm a freelancer now, PCMag has been my home for well over a decade, ...