Ultrasonic ranger SRF05
- 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 *