Ultrasonic Module JSN-SR04T

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This is a demo of the Ultrasonic Module JSN-SR04T Module for Arduino.

The SR-04t is the waterproof version of the HC-SR04 Ultrasonic Sensor. I dunked it in a pool to show you that it works (the strobing of the OLED was due to sunlight) in water.

It does not, I repeat, does not measure distance under water (Sorry DIY Sub makers). But, you can use this to measure distance in wet environments. So if you are building an application that triggers based on someone entering your a perimeter, and that environment is rainy, this is the sensor to use.

You will short out the HC-SR04 in water/rain.
You will NOT short out the JSN-SR04T sensor in water/rain, BUT the circuit board WILL, so keep it dry!!!!

Disclaimer:

I have been compensated for posting this video.

Clicking on the link below will take you to the product. I am not compensated when you click on the link.

Ultrasonic Module JSN-SR04T

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well, it actually might work underwater as well but the timing / trigger etc would have to be adjusted for higher velocity underwater.

RajeshJaswalPune
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how u wired the JSN-SR04T with D1 mini will work on 5v only... D1 mini is 3v

jagadeeshv