The World Health Organization estimates that around 90% of the 285 million or so visually impaired people worldwide live in low-income situations with little or no access to assistive technology. For ...

An Arduino is a microcontroller — a single board designed to control something and perform a specific task. Unlike a ...

Soldering is one of those jobs that are conceptually simple enough, but there’s quite a bit of devil in the detail and having precisely the right tool for the job in hand is essential for speed and ...