Sharp IR distance sensor includes cable (20cm-150cm) - GP2Y0A02YK0F

This SHARP distance sensor bounces IR off objects to determine how far away they are. It returns an analog voltage that can be used to determine how close the nearest object is. Comes with 30cm long 3-JST interface wire. These sensors are good for detection between 20cm-150cm. For over 1 m distance, we suggest using sonar sensors. 

To use, connect black wire to ground, red wire to 5V and white wire to analog input. The analog voltage out will range from 3V when an object is only 10cm away and 0.4V when the object is 80cm away. 

For more information, please see the datasheet!