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 ...

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 ...

There are a number of services that are available for free to test your Internet connection speed. There are websites powered by HTML5 and previously powered by Adobe Flash; there are standalone ...

SendspinZero is an open-source, DIY Sendspin audio receiver for your amplifier that relies on off-the-shelf parts costing ...

Well, this might just be a Hackaday first. Certainly not the circuit sculpture part, nor the wearable aspect, but the ...

Bethany Allard is a Los Angeles-based shopping reporter at Mashable covering beauty tech, dating, sex and relationships, and headphones. That basically means she puts her hair through a lot, scrolls ...