LIGHT DEPENDENT RESISTOR, LDR

One common and interesting application of LDR will be discussed in my next post.

Light dependent resistors or LDRs are often used in circuits where it is necessary to detect the presence or the level of light. They can be described by a variety of names from light dependent resistor, LDR, photoresistor, or even photo cell (photocell) or photoconductor.

A photoresistor or light dependent resistor (LDR) is a resistor whose resistance decreases with Continue reading