MaxBotix High Performance Ultrasonic Range Finder - MB7070 XL-MaxSonar-WRA1 hub-zubehoer It does not currently work

It does not currently work with Atmel

The GP2Y0D805 and GP2Y0D810 have an optional enable input that can be used to put the sensor into low-power mode

Intelligent chopping control that automatically selects the correct decay mode (fast decay or slow decay)

you will have your own m3pi robot:

MaxBotix High Performance Ultrasonic Range Finder - MB7070 XL-MaxSonar-WRA1 hub-zubehoer It does not currently workThe XL MaxSonar WRA is a rugged ultrasonic sensor component module. This outdoor sensor offers very short to long range detection and a compact, rugged PVC housing. The ultrasonic sensor meets the IP67 water ingress standard and fits standard 3 4 inch PVC electrical pipe fittings. High acoustic output power combined with continuously variable gain, automatic real time background calibration, real time waveform signature analysis, and noise suppression