Lightresistor

Hey Everybody! I ve got a light resistor 10 kO, 5mm and I would like to write a programm. The aim should be that I can tell Arduino to make a LED brighter if the Sensor measures it is dark. How can I do it? Thank you for helping!

Blackfighter_05

Hi,
Welcome to the forum.

Check this link.

http://playground.arduino.cc/Learning/PhotoResistor

Put your LED and series resistor on pin11 to gnd if you have a UNO.
LDR_LED.jpg
Also google arduino ldr

LDR = Light Dependent Resistor.

Hope it helps…

Tom… :slight_smile:

Thank you very much Tom, I will see!!