Specifications
Check the datasheet for details and graphs but these are the highlights:
- Trigger Pin Format: 10 uS digital pulse
- Sound Frequency: 40 kHz
- Echo Pin Output: 0-Vcc
- Echo Pin Format: output is DIGITAL and directly proportional with range. See our conversion formula above.
- Measurement Range: 2cm to ~4.5m
- Measurement Resolution: 0.3cm
- Measurement Angle: up to 15 deg
- Measurement Rate: 40 Hz
- Supply Voltage: 4.5V to 5.5V
- Supply Current: 10 to 40mA
- Connector: standard 5-pin male connector which can plug directly into breadboards.
Measurement Procedure & Formula
Distance measurements can be made with microcontrollers in a straightforward manner:
You can find an Arduino Library with code here: http://forum.arduino.cc/index.php?topic=106043.0