The SRF04 Ultra Sonic Ranger Module is a high quality ultra sonic range finder, which can easily be connected to many microcontroller's to measure/detect the presence of obstacles.
Using a 5V supply and drawing from 30mA typical. to 50mA max. The SRF04 can be connected directly to many micros without the need for a separate power supply.
Specification
Voltage - 5v only required
Current - 30mA Typical. 50mA Max.
Frequency - 40KHz
Max Range - 3 m
Min Range - 3 cm
Sensitivity - Detect 3cm diameter broom handle > 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
Downloads
SRF04 Pinout Datasheet (PDF 220Kb)
SRF04 Sonar Schematic Datasheet (PDF 162kb)
SRF04 Timing Diagram Datasheet
This product was added to our catalog on Sunday 03 February, 2008.