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

1. The photocurrent of the photoresistorThe current flowing through the resistance of the photoresistor in the...

The elevator is a kind of vertical elevator powered by a motor, equipped with a box-shaped pod, used for multi...

As long as any object is above absolute zero, it will radiate energy at a certain wavelength, but the radiatio...