Not so long ago I did an experiment with an ATtiny85 and Arduino with 3 LEDs.
https://fleshandmachines.wordpress.com/2012/09/10/a-tiny-arduino-project/
I set up a small piece of code that’s reading the measures from the sensor and turn on an LED accordingly.
As for the previous one I’m only using the Arduino to program the ATtiny85 chip and for power supply in the video.
Hi there!
Just a quick note about my new sonar sensor SEN136B5B.
The characteristics are exactly the same of PING))) sensor so the same tutorial can be applied: http://www.arduino.cc/en/Tutorial/Ping
You can get it here: http://www.seeedstudio.com/depot/ultra-sonic-range-measurement-module-p-626.html?cPath=144_149
Wiki page for more info: http://seeedstudio.com/wiki/index.php?title=Ultra_Sonic_range_measurement_module
Flesh and machines 
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