JSN-SR04T Waterproof Ultrasonic Sensor Module
₵110.00 Original price was: ₵110.00.₵95.00Current price is: ₵95.00.
The JSN-SR04T Waterproof Ultrasonic Sensor Module is ideal for distance measurement, water level monitoring, smart dustbin systems, obstacle detection and outdoor Arduino or ESP32 projects. It comes with a waterproof ultrasonic probe, making it suitable for projects exposed to moisture, tanks and outdoor environments.
5 in stock
The JSN-SR04T Waterproof Ultrasonic Sensor Module is a reliable distance measurement sensor designed for Arduino, ESP32, Raspberry Pi and other microcontroller projects. It works like the popular HC-SR04 ultrasonic sensor but comes with a waterproof probe, making it better suited for water level monitoring, outdoor measurement and harsh environment applications.
This sensor is commonly used in smart dustbins, automatic water tank monitoring systems, robotics, obstacle detection, liquid level measurement, parking assist systems and IoT-based monitoring projects. The separate waterproof probe allows the sensing head to be placed near water, tanks or outdoor surfaces while the control board remains protected inside an enclosure.
For students, STEM facilitators, electronics hobbyists and project builders, the JSN-SR04T is a good choice for learning non-contact distance measurement. It can detect objects without physical contact and can be easily connected to Arduino or ESP32 using trigger and echo pins.
The module is especially useful for projects where a normal HC-SR04 sensor may fail due to moisture exposure. It is suitable for water tank level projects, smart irrigation systems, flood level monitoring, outdoor automation and embedded distance sensing applications.
Key Features:
- Waterproof ultrasonic sensing probe
- Suitable for Arduino, ESP32 and Raspberry Pi projects
- Ideal for water level monitoring
- Good for outdoor and moisture-prone projects
- Non-contact distance measurement
- Separate probe and control board design
- Suitable for smart dustbin systems
- Works well for robotics and obstacle detection
- Easy to interface with microcontrollers
- Useful for STEM and school electronics projects
Technical Specifications:
- Sensor Type: Waterproof ultrasonic distance sensor
- Model: JSN-SR04T
- Operating Voltage: 5V DC
- Measuring Range: approximately 20cm to 450cm or more, depending on version
- Ultrasonic Frequency: 40kHz
- Interface: Trigger and Echo
- Probe Type: Waterproof ultrasonic transducer
- Cable Length: approximately 2.5m
- Compatible Boards: Arduino, ESP32, Raspberry Pi and other microcontrollers
- Application: Distance measurement and level sensing
Pin Description:
- VCC: 5V power supply
- GND: Ground
- TRIG: Trigger input pin
- ECHO: Echo output pin
Applications:
- Water tank level monitoring
- Smart dustbin projects
- Automatic water level systems
- Smart irrigation projects
- Outdoor distance measurement
- Obstacle detection
- Robotics projects
- Parking assist systems
- Flood level monitoring
- IoT monitoring systems
- STEM and school practical projects
- Arduino and ESP32 automation projects
Recommended For:
- Arduino water level projects
- ESP32 IoT monitoring systems
- Smart dustbin prototypes
- Automatic water tank controllers
- Outdoor sensor projects
- Robotics and obstacle detection
- STEM project work
- Final year electronics projects
Important Note:
Only the ultrasonic probe is waterproof. The control board is not waterproof and should be placed inside a protected enclosure when used outdoors or near water.
Related products
16×2 LCD Display with I2C Interface – Blue Backlight
Display your project data with only four connections. This 16×2 LCD comes with the I2C backpack already soldered, making it ready to use without additional soldering.
Display: 16 characters × 2 lines
Backlight: Blue with white characters
Interface: I2C (VCC, GND, SDA, SCL)
Operating Voltage: 5V DC
Contrast: Adjustable onboard potentiometer
Beginner Friendly: I2C adapter already soldered
Best For: Arduino, ESP32, Raspberry Pi, IoT and STEM projects
A 16×2 character LCD provides two rows of 16 characters, while using an I2C interface greatly reduces the number of microcontroller connections required compared with the standard parallel interface.
HC-SR04 Ultrasonic Sensor Module | Distance Measurement for Arduino
Give your robot eyes. The HC-SR04 uses sonar (sound waves) to measure distance, just like a bat. It is the standard sensor for obstacle avoidance robots and water level monitoring systems.
-
Range: 2cm to 400cm (4 Meters)
-
Accuracy: 3mm
-
Pins: VCC, Trig, Echo, GND
-
Best For: Obstacle avoiding cars, reverse parking sensors, and tank level detection.
IRF520 MOSFET Driver Module (0-24V) | PWM Motor & LED Controller
The easiest way to drive 12V/24V loads. This breakout board allows your Arduino to control high-voltage devices like LED strips, DC motors, and solenoid valves using the IRF520 MOSFET. It features screw terminals for easy wiring—no soldering required!
-
Max Load: 24V DC / < 5A.
-
Control Voltage: 3.3V or 5V (PWM Compatible).
-
Output: Pulse Width Modulation (Speed/Dimming control).
-
Best For: LED Strips, Small DC Fans, and Solenoids.
MQ-135 Air Quality & Hazardous Gas Sensor Module | CO2, Smoke, Ammonia
Detect smoke and dangerous gases instantly. The MQ-135 is the most versatile gas sensor for air quality monitoring. It detects a wide range of gases including Ammonia, Sulfide, Benzene, Smoke, and CO2. Perfect for "Smart Home" safety systems and environmental monitoring.
- Gases Detected: NH3, NOx, Alcohol, Benzene, Smoke, CO2.
-
Output: Analog (Gas Concentration) and Digital (Alarm Trigger).
-
Warm-up Time: ~20 seconds.
-
Best For: Air Quality Monitors, Smoke Alarms, and Industrial Safety.
MQ-3 Alcohol Sensor Module | Breathalyzer & Ethanol Detector
Build your own Breathalyzer. The MQ-3 is specifically designed to detect alcohol (Ethanol) vapors. It has high sensitivity and fast response time, making it the perfect sensor for "Smart Car" safety systems that prevent drunk driving.
-
Detects: Alcohol, Ethanol, Benzine.
-
Sensitivity: Adjustable via Blue Potentiometer.
-
Warm-up: Heater requires ~20 seconds.
-
Best For: Breathalyzers, Drunk Driving Alarms, and Industrial Monitoring.
NTC Thermistor Sensor Module
RC522 RFID Reader/Writer Module Kit (13.56MHz) + Key Fob & Card
SW-420 Vibration Sensor Module | Adjustable Impact & Shake Switch
Detect motion, impacts, and theft. The SW-420 is a "Normally Closed" vibration sensor that triggers whenever it feels a shake. It features an onboard potentiometer to adjust sensitivity, making it perfect for sensitive projects like door alarms or earthquake detectors.
- Sensor Type: SW-420 (Normally Closed).
- Output: Digital (High/Low).
- Sensitivity: Adjustable via Blue Potentiometer.
- Best For: Anti-Theft Alarms, Smart Cars, and Impact Detection.

Reviews
There are no reviews yet.