This is a fantastic ultrasonic ranger that has an approximate range of 3" to 10'. This ranger has a logic line used to trigger a pulse and the echo is returned on a second line. Minimal power requirements and a compact, self contained design make this one of our most popular detectors.
This high performance ultrasonic range finder is compact and measures an amazingly wide range from 3cm to 3m. This ranger is a perfect for your robot, or any other projects requiring accurate ranging information. This sensor connects to the digital I/O lines of your microcontroller. To see our interface examples to many popular controllers, refer to the related links at the bottom of this page. You can also get a Lynxmotion SRF04 Housing for your ranger. Specifications :
Voltage 5v Current 30mA Typ. 50mA Max Frequency 40KHz Maximum Range 3 m Minimum Range 3 cm Sensitivity Detect a 3cm diameter stick at > 2 m Input Trigger 10uS Min. TTL level pulse Echo Pulse Positive TTL level signal, width proportional to range. Weight 0.4 oz. Size 1.75" w x 0.625" h x 0.5" d