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Ultrasonic sensors use sonar to determine the distance from the object. This module uses a CS100A chip that can test the distance from 4 cm to 300 cm is unequal, easy to use. Its measure distance is accurate and stable, which can be applied to distance measurements, robots, anti-theft devices, etc.
This module works with V2.0 Easy Plug control board. The module includes an ultrasonic transmitter, a receiver, and a corresponding control circuit. Additionally, it comes with 4 round holes, which is convenient for customers to fix them on other devices
Working voltage: 3.3-5V (DC)
Work current: 65mA
Working frequency: 40KHz
Maximum distance: 300cm
Minimum distance: 4cm
Measurement angle: 15 degrees
Trigger input signal: 10μs TTL pulse
Interface: RJ11 interface
Size: 49 * 22 * 19mm
Weight: 9.2g
Wire it up, burn the code, open the serial monitor and set the baud rate to 9600. you can see the distance value between the ultrasonic sensor and the obstacle, as shown below.