Ultrasonic backup sensor (DIY Park Ranger: Overview)

DIY Park Ranger: Overview

Video Link...
http://www.youtube.com/watch?v=rxXjE53mxFU&feature=player_embedded

DIY Park Ranger: Part I - The Electronics Unit

Video Link...
http://www.youtube.com/watch?v=RqEcRdIgipI&feature=player_embedded#at=91


DIY Park Ranger: Overview

Technical Summary:  The Park Ranger is an ultrasonic-ranging prototype designed to assist drivers who are backing into tight areas.  The ranger uses ultrasonic pings to measure distance to the object behind and indicates this distance by sending audible tones to your FM radio.  Optional panel-mount LEDs offer visual aid for calibration as well as warning drivers behind you.

Read More and See all Videos...
http://amani64.com/park.htm

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