Update to Ultrasonic Sensor

Hi All,

I have updated the ultrasonic sensor section with what I have managed to get done so far, you can see how I set up my bread board for testing and what parts are required.

I didn't get it working yet but hopefully by next week I will.

Thanks,

Ozirock

http://ping.fm/wwYW9

http://bit.ly/bvRiJv