ULTRASONIC RANGER SRF04

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SRF04 - Ultrasonic Range Finder.


Voltage - 5v only required
Current - 30mA Typ. 50mA Max.
Frequency - 40KHz
Max Range - 3 m
Min Range - 3 cm
Sensitivity - Detect 3cm diameter broom handle at > 2 m
Input Trigger - 10uS Min. TTL level pulse
Echo Pulse - Positive TTL level signal, width proportional to range.
Small Size - 43mm x 20mm x 17mm height