Water proof ultrasonic module and Arduino Tutorial
MedianFilter : https://github.com/daPhoosa/MedianFilter
Sketch download : https://goo.gl/yQpoZd

JSN-SR04T Waterproof Ultrasonic Module

pecification:

Operating Voltage 5VDC 5-30mA
Acoustic emission frequency 40 kHz
Farthest distance: 4.5m
Blind: 25cm
Module size: 41mm * 28.5mm
Resolution: about 0.5cm
Angle: less than 50 degrees
Working temperature: -10 ~ 70 ℃
Storage temperature: -20 ~ 80 ℃ ::::::::::: SUPPORT CHANNEL ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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