Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

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 ...

Adafruit has made an I2C interface for four rotary encoders. It comes in the form of a PCB with four footprints that accept one of the most common rotary encoder forms (Bournes PEC11 horizontal style) ...