If you are looking for an ultrasonic ranging module , this 4 pin ultrasonic sensor is good choice . Its stable performance and high ranging accuracy make it a popular module in electronic market .
Specifications
Power supply: 5V DC
Quiescent current: <2mA
Effectual angle: <15°
Ranging distance: 2cm – 400 cm
Resolution: 1 cm
Ultrasonic Frequency: 40k Hz
