Gray code is a systematic ordering of binary numbers in a way that each successive value differs from the previous one in ...

The huge parachute used by NASA's Perseverance rover to land on Mars contained a secret message, thanks to a puzzle lover on the spacecraft team. Now users can scan the QR code from their handsets to ...

What is a rotary encoder? A rotary encoder (RT) is a device that you can rotate infinitely. On most rotary encoders, when you rotate them you will feel a bump (known as steps), and most RTs have about ...

Rotary and linear optical encoders are common in position and motion sensing. Here, a disc or plate containing opaque and transparent segments passes between an LED and detector to interrupt a light ...