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 ...

LILYGO's T-Watch Ultra is an ESP32-S3-based smartwatch development platform that appears to be an upgrade over the previous T ...

Multicore processing boosts performance and energy efficiency in many coding situations. Bare-metal algorithms further ...

Schematik is a program that aims to help people vibe code for physical devices. Hopefully, it won’t blow anything up.

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

When you buy through our links, Business Insider may earn an affiliate commission. Learn more Listening to vinyl doesn't mean you have to give up modern perks like wireless audio. The best Bluetooth ...

April 18, 2026 • The Trump administration's recent military actions have had certain observers asking... are we going full empire? But Daniel Immerwahr, a historian and the author of How to Hide an ...

Betteridge’s law applies, but with help and guidance by a human who knows his stuff, [Ready Z80] was able to get a ...

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