Devantech SRF04 Ultrasonic Range Finder

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Ranges from 3cm to 3m Returns a positive TTL level signal, width proportional to range 3-4cm Resolution Dimensions: 43mm x 20mm x 17mm The Devantech Ultrasonic Range Finder SRF04 w ill soon become essential for your robotic applications. Indeed, with this sensor, it is possible to know the exact distance of an obstacle in the sonar field of view. The cleverness of your robot will use a sensitive sensor similar to the one bats use to know their position. With advanced programming, you can design compensators in order to perfectly control your motors according to the obstacle's distance. Show more