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Ultrasonic ranger SRF05

Vendor's Description: 


Product Description

  • Range - 1cm to 4m.
  • Power - 5v, 4mA Typ.
  • Frequency - 40KHz.
  • Size - 43mm x 20mm x 17mm height.

Two operational modes are available, Single pin for trig/echo or 2 Pin SRF04 compatible.

The input Trigger is a 10uS Min. TTL level pulse 
Echo Pulse is Positive TTL level signal, with the width proportional to the object range.

*Just a cheap ultrasonic sensor for people in the UK. I am told that the second mode is compatible with Ping))) code which is an added bonus seeing as there seems to be plenty of code for that particular sensor *