Waterproof Ultrasonic Sensor with Arduino for distance measurement

Published at : 23 Dec 2025

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Octopart, components search engine:
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download circuit diagram and programming:
https://www.electroniclinic.com/waterproof-ultrasonic-sensor-jsn-sr04t-aj-sr04m-with-arduino-for-distance-measurement/

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TOF10120 Sensor with Nodemcu ESP8266:
https://youtu.be/euZkv0wJBiM

TOF10120 Laser Distance measurement sensor for Car parking:
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Learn How to make 5V and 3A power supply for Arduino, esp32, esp8266, stm32, raspberry pi pico, Arduino pro micro, etc.
https://youtu.be/-9K2Ke_Ywrc

Arduino Pro Micro with PN532 RFID Module
https://youtu.be/rJLA-BxhYto

How to make a schematic and PCB:
https://youtu.be/mUlKhjGADn8

Altium Tutorial for Beginners: Components searching and how to add a component library
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Project Description:
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In today’s episode, you will learn how to measure the distance using Arduino Nano, the Waterproof Ultrasonic Sensor JSN SR04T, and an I2C-supported SSD1306 Oled display module.

Don’t worry if you see AJ-SR04M printed on the module. JSN SR04T and AJ-SR04M are exactly the same the only difference is that the AJ-SR04M has an empty location for a resistor and the JSN SR04T doesn’t have it. The amazing thing about this Ultrasonic Sensor is that, it comes with a long wire due to which it can be easily installed.

Instead of using the Arduino Nano, you can also use Arduino Uno, Arduino Mega, Arduino Pro micro, or any other Arduino board. You can also use this Waterproof Ultrasonic Sensor with 3.3V compatible controller boards like Nodemcu ESP8266, ESP32, Raspberry Pi Pico, STM32, and so on. In my upcoming video, I will build an IoT based Water Level monitoring system. So, consider subscribing, if you don’t want to miss any of my upcoming projects.

As this is a getting started video, so, I will try my level best to explain all the basic things like for example,

The difference between the HC-SR04 Ultrasonic Sensor and the JSN SR04T Waterproof Ultrasonic Sensor, it’s Pinout, it’s interfacing with the Arduino, it’s programming, and practical testing. So, without any further delay, let’s get started!!!
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Amazon Purchase links:
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Waterproof Ultrasonic Sensor
https://amzn.to/3nAnbFF

Arduino Nano USB-C Type ( recommended):
https://amzn.to/4ahGLdk

ESP32 WiFi + Bluetooth Module for iOT Projects (recommended), more IO pins, improved speed, and supports a Lipo Battery:
https://amzn.to/3v40DkE

SSD1306 Oled display module
https://amzn.to/3zD0ZO5

Other must-have Tools and Components:

Top Arduino Sensors:
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Super Starter kit for Beginners
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Top Oscilloscopes
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Variable Supply:
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Digital Multimeter:
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Top Portable drill machines:
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DISCLAIMER: This video and description contain affiliate links, which means that if you click on one of the product links, I will receive a small commission. This helps support the channel and allows me to continue to make videos like this. Thank you for your support!
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