How do LED Wickets in Cricket works?
If you are watching cricket then you might have noticed flashing LED Wickets system. The bails and stumps LED lights flash when the ball...
Light Dependent Resistor: Working Principle and its Applications
What is an LDR?
An LDR is a photoelectric device. LDR stands for Light Dependent Resistor also known popularly as photo-resistor.
Working Principle of LDR
The semiconductor...