Each year millions of old smartphones are either tossed ... sized bit of perfboard. With modern phones without removable batteries simultaneous USB/audio dongle and charging usage via the USB ...

The Octo4a project lets you use an old Android phone as a 3D printer ... Most 3D printers are designed to run on USB anyway, so connecting it to the phone is as simple as buying a USB OTG cable.

An old phone can be repurposed into retro game consoles ... Older Pixel devices can become webcams just by connecting them to ...

2. Use a USB-C cable to connect both phones. 3. On the old phone, tap "Next", then "Copy". 4. Select the data to transfer and ...