Convert an old rotary phone into a ChatGPT hotline for a unique interactive experience. Combine vintage dialing with modern AI technology for a surprising and delightful communication. Reuse old ...

One of the useful side effects of the ubiquitous availability of cellular network data modules is that they can be used to create custom mobile phones. It’s surprising in a way that we don’t see as ...

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 ...