HongKong Electronics Fair (Autumn Edition) 13-16 October 2013

Photoresistor applications are very wide now. Today we will have a closer look at photoresistors.1. Photoresis...

The Fresnel Lens was invented by the French physicist Augustin Fresnel. He originally used this Lens design in...

As a non-contact and fast human body temperature measuring equipment, infrared temperature measuring equipment...