QR codes — or "Quick Response" codes — are square-shaped barcodes that can be scanned by mobile devices. They are used for a variety of applications, from pulling up a restaurant menu to directing ...

Nearby Share lets you share text, links, or files with nearby devices. It uses Bluetooth to scan for nearby devices, meaning sometimes devices won’t be picked up or may be hard to find. As a fallback, ...

If you’ve been reading Hackaday for awhile, you’ll know we’re big fans of OpenSCAD around these parts. There’s a number of reasons it’s a tool we often reach for, but certainly one of the most ...