The entire system is basically a big homemade rotary position encoder. Real rotary position encoders use Gray code to prevent slight misalignments and border cases from being a problem.

Punishing: Gray Raven is a fast-paced stylish action RPG where mankind is about to be extinct and Earth is being overrun by a ...

Used in telegraphy in the late 1800s, and also known as "reflected binary code," Gray code was patented by Bell Labs researcher Frank Gray in 1947. In Gray code, there is only one bit location ...

Following is a sampling of HTML color codes used in HTML tags for setting background and font color. Colors are coded as red, green and blue intensities in hexadecimal notation (see hex chart).