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JSN-SR04T Waterproof Ultra Sonic Sensor


  1. JSN-SR04T
  2. Integrated Ultrasonic Module
  3. Distance Measuring Transducer Sensor
  4. Waterproof for Arduino.



Waterproof Ultra Sonic Sensor Description:

This module uses the simple method Waterproof Ultra Sonic Sensor, a control port with a 10 US above high level, can wait for high level output at the receiving port. An output can drive the timer.

When this port is low can read the timer value, this time for the location of the time, can be calculated distance. So constantly cycle test, that can achieve the measurement of the value of your mobile.

The basic working principle:

  • Operating voltage: DC 5V
  • Quiescent current: 5mA. Farthest distance: 4.5m.
  • The device is waterproof, but it couldn’t work underwater. Please note it.
  • High accuracy, strong anti-jamming, small size, easy to use, low voltage, low power consumption.
  • Integrated with wire enclosed waterproof probe, suitable for wet, harsh measurement occasions.

(1) using IO port TRIG trigger location, to the high level signal of at least 10us;

(2) module automatically sends 8 40KHz Fang Bo, automatic detecting whether a signal return;

(3) a signal return, a high level is output through the IO port ECHO, the time duration of the high level is

ultrasonic from launch to return.

The test distance = (high level time * speed of sound (340M/S)) /2 en.wikipedia.org

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