arduino LDR controller

                    Arduino LDR controller 


the circuit diagram here

FIRST YOU MUST GET THE VALUE FROM THE LDR READING FOR WHAT BRIGHTNESS
YOU WANT TO  CONTROL WITH THE SERIAL MONITOR 

the ldr value reading cord is here

arduino line following robot

                The simple arduino line following robot with LDR 


The circuit diagram is follow

The arduino code is follow 
http://j.gs/75CM


this project is tested by the proteus .

arduino ultrasonic sensor ,simple working library

                                                    ULTRASONIC SENSOR PROJECT