Ultrasonic Distance Sensor Seeed Studio

The Seeedstudio Ultra Sonic range measurement module is a non-contact sonar type distance sensor. Features detection range: 3 cm - 4 m (1 cm resolution) ; detection angle: 30 degrees ; input voltage: 5 VDC ; input current: 15 mA ; ultrasonic frequency: 40 kHz ; trigger pulse width: 10 ?s ; breadboard friendly ; Arduino compatible ; double converter ;