Optical waveguides are structures that guide and confine light within a small cross-sectional area. In nanophotonic circuits, waveguides are typically fabricated using high-refractive-index materials ...

There are a wide range of applications for light sensitive switches: lighting, entrance door, automatic staircase, automatic opening of doors to the action of a ray of light, alarm systems, etc… Many ...

The design features a 555 timer simple application in which it manipulates the sequence of LED lighting. It is a low power that can last longer even with small energy source. The design features a 555 ...