Fritzing

Finding range of a distance and then display it of a LED scale.

• 

Arduino UNO Rev3(most will work with this i used the uno)

1x Half Breadboard

10x 5mm LED

10x 560 Ohm resistors

15x Jumper wires (if you don't have a pwm add 3)

1x PWM wire (Normal male to female header pins)

1x 3-pin Ultrasonic range finder(i got mine from RadioShack, you can also get them other places)