Catalog > Internet of Things (IOT) Related Products > More Platforms Ultrasonic Ranging Sensor Ultrasonic Ranging Sensor HC-SR04 AZL ULTRASONIC SENSOR HC-SR04 ULTRASONIC RECEIVER+TRANSMITTER ON BOARD 5VDC Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview This HC-SR04 has stable performance and high ranging accuracy. Compared to the Shap IR ranging module , HC-SR04 is more inexpensive than it. But it has the same ranging accuracy and longer ranging distance. Specifications Power Supply : 5V DC Effectual Angle : < 30 degrees Ranging Distance : 2cm to 500 cm Resolution : 1cm Ultrasonic Frequency : 40kHz Downloads Example Code - HC-SR04 Ultrasonic ZIP File 2.23 KB Datasheet - HC SR04 PDF File 526.71 KB Datasheet - AZL ULTRASONIC SENSOR HC PDF File 268.22 KB How to install the librarys and upload programs to Arduino PDF File 112.33 KB Datasheet - HMC5883L-FDS PDF File 661.17 KB Triple Axis Magnetometer Breakout PDF File 158.36 KB