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Waterproof Ultrasonic Module AJ‑SR04T – Integrated Distance Measuring Transducer Sensor for Arduino
Discover the ultimate solution for precise distance measurement in harsh environments. The AJ‑SR04T is a fully waterproof ultrasonic transducer module designed for Arduino and other microcontroller platforms. Whether you’re building a robotic obstacle‑avoidance system, an automated irrigation controller, or a smart water level sensor, this compact module delivers reliable performance with a splash‑proof design.
Key Features
- Fully Waterproof: IP68 rated, suitable for sub‑mersion up to 2 meters.
- High Accuracy: ±1 cm measurement precision from 2 cm to 4 m.
- Low Power Consumption: Operates at 5 V with minimal current draw.
- Easy Arduino Integration: 4‑pin interface (VCC, Trig, Echo, GND) – plug‑and‑play.
- Compact Size: 30 mm × 30 mm × 10 mm – fits in tight spaces.
- Wide Temperature Range: -10 °C to +50 °C.
- Fast Response Time: 50 ms ping interval for real‑time feedback.
Technical Specifications
- Operating Voltage: 4.5 V – 5.5 V DC
- Operating Current: < 30 mA
- Measurement Range: 2 cm – 4 m (typical)
- Resolution: 1 cm
- Echo Pulse Width: 1 µs – 10 µs
- Signal Frequency: 40 kHz
- Interface: 4‑pin (VCC, Trig, Echo, GND)
- Enclosure Material: ABS + Silicone Seal
- Waterproof Rating: IP68 (sub‑mersion up to 2 m)
Applications & Compatibility
- Robotics – obstacle detection, line following, and autonomous navigation.
- Smart Home – water level monitoring, leak detection, and pool depth measurement.
- Industrial Automation – tank level control, conveyor belt monitoring.
- IoT Projects – sensor nodes, remote sensing, and wireless telemetry.
- Arduino, ESP32, STM32, Raspberry Pi (via GPIO), and other microcontrollers.
Installation & Setup
Connecting the AJ‑SR04T is straightforward. Connect VCC to 5 V, GND to ground, Trig to any digital pin, and Echo to another digital pin. Use the Arduino NewPing library or similar to read distance values. For waterproof deployments, mount the module in a sealed enclosure and secure the cable with a waterproof connector.
Why Choose AJ‑SR04T?
The AJ‑SR04T combines rugged waterproof construction with high‑precision ultrasonic sensing, making it the ideal choice for projects that demand reliability in wet or dusty conditions. Its low power profile and simple interface reduce development time, while the extensive documentation and community support ensure a smooth integration into any Arduino‑based system.
Price: Original price was: $ 5.85.$ 3.86Current price is: $ 3.86.