I needed a rotary encoder — I pulled a cheap one out of one of those “49 boards for Arduino” kits you see ... How hard can it be to write the code yourself? How hard, indeed.

He’s converted a mouse into a tuning dial. The scroll wheel on a mouse is nothing more than a rotary encoder, and can easily be used as a sort of tuning knob. Replacing it with a better encoder ...

named three-dimensional perfect difference codes (3-D PD codes), and a corresponding system structure for spectral/time/spatial optical code division multiple access (OCDMA). The 3-D PD codes, which ...

Abstract: A (v, k, /spl lambda//sub a/, /spl lambda//sub c/) optical orthogonal code (OOC) C is a family of (0, 1)-sequences of length v and weight k satisfying the following two correlation ...

Nord Quantique, a pioneer in the field of quantum error correction, today announces a first in applied physics.

This class provides an event based approach to handling switches and rotary encoders. It fully de ... the use of matrix keyboards on Arduino. There are mock versions of some components to make testing ...

Optical smoke alarm uses MOC 7811 which is an optocoupler.The sensor designed for this device is based on the principle of scattering of infrared rays.The light coming from the light source passes ...