Ultrasonic Range Finder SRF04

Range: 30mm - 3m

Price: $48.40 (Incl. GST)

 


Specifications

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 > 2m.
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.


Timing & Connection Diagrams
Example code