Bring your postwar Lionel trains into the modern era with DIY Bluetooth control using Arduino. A fun and powerful upgrade for your layout. #Arduino #LionelTrains #DIY ...

Waveshare UGV Beast is an off-road robot with tracked wheels designed for Raspberry Pi 4 or 5 SBC handling AI vision and ...

I’ve been testing out the RYB2340 Bluetooth module, and it’s honestly one of the simplest ways I’ve found to add wireless control to Arduino or ESP8266 projects. In this video, I’ll walk you through ...

MicroPython is a well-known and easy-to-use way to program microcontrollers in Python. If you’re using an Arduino Uno Q, ...

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 ...

Back in 2017, Hackaday featured an audio reactive LED strip project from [Scott Lawson], that has over the years become an extremely popular choice for the party animals among us. We’re fascinated to ...

Fun Fact, the term Bluetooth is named after an ancient Viking king, Harald Blåtand, who unified Denmark and Norway. Later the word Blåtand was translated to Bluetooth. This post will share about ...

When using an external speaker or using a headphone, at the time, it gets annoying because they don’t work. It worked before, but it’s not working the next day. In this post, I will show what you can ...

Bluetooth is baked into just about everything these days, from wireless earbuds and fitness trackers to laptops, cars, and smart home devices. In 2025 alone, there were an estimated 5.3 billion ...

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, ...