Process 1.6

Looking up code for using PWM pins and proximity sensor for LED brightness:

http://www.fabiobiondi.com/blog/2009/11/arduino-and-electronic-sensors-proximity-light-force-and-tilt/

https://sites.google.com/site/scidiy/diy-arduino/proximity-sensor-to-pwm

http://playground.arduino.cc/Main/MaxSonar - may need to download a library

http://easyarduino.webs.com/ultrasonicfadeled.htm

http://luckylarry.co.uk/arduino-projects/arduino-sonic-range-finder-with-srf05/

http://www.instructables.com/id/Arduino-Distance-Detector-with-a-Buzzer-and-LEDs/?ALLSTEPS

http://howdweknows.blogspot.com/2011/03/maxsonar-rangefinder.html - example with EZ2 model, but no video

Helpful from the brand maxbotix:

http://www.maxbotix.com/tutorials.htm

http://www.maxbotix.com/articles/028.htm