Seventeen-year-old cousins Jake and Kyle Bumstead were tasked with learning how to use a rotary phone in four minutes, but they couldn’t quite get the hang of it in time.Kevin Bumstead, of Chicago, ...

You can use an old rotary telephone dialer in conjunction with your microcontroller to implement all sorts of things; for example, you could use it to enter a series of numbers to unlock a safe. You ...

Seventeen-year-old cousins Jake and Kyle Bumstead were tasked with learning how to use a rotary phone in four minutes, but they couldn’t quite get the hang of it in time.Kevin Bumstead, of Chicago, ...

Seventeen-year-old cousins Jake and Kyle Bumstead were tasked with learning how to use a rotary phone in four minutes, but they couldn’t quite get the hang of it in time.Kevin Bumstead, of Chicago, ...