Discover a step-by-step guide to building your own DIY external microphone for smartphones using old earbuds and a drinking ...

Discover how to build your own DIY laser pointer that connects to your smartphone's headphone jack and is controlled via an ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The start of a new year is a time to take stock, a time to make ...

Older adults can make smartphones easier to read and use by increasing font size, enabling high-contrast text, or using screen magnifiers. Features like Assistive Touch, reading mode, voice assistants ...