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 ...

Skilled maker Justine Haupt has created a fantastically unique mobile phone complete with the paper display and rotary dial. The mobile phone is open source and all the design files including Arduino ...

As wonderful as mechanical keyboards are, most of the pre-fab and group buy models out there have zero media controls. If you want rotary encoders and OLED screens to show what function layer you’re ...