AJ-SR04M WATERPROOF ULTRASONIC MODULE

AJ-SR04M Waterproof Ultrasonic Module is a reliable and durable ultrasonic distance measurement sensor. It is designed for outdoor and wet environment applications with its waterproof casing. The module uses ultrasonic sound waves to measure distance with high accuracy, making it ideal for robotics, water level monitoring, and obstacle detection.

Key Features of AJ-SR04M Waterproof Ultrasonic Module:

• • Waterproof Design: Suitable for outdoor and underwater applications.
  • High Precision: Measures distances with an accuracy of ±1cm.
  • Long Range: Detects objects from 20cm to 450cm.
  • Simple Interface: Operates with a 4-pin interface (VCC, GND, TRIG, ECHO).
  • Durable Build: Robust casing for harsh environments.
  • Low Power Consumption: Operates efficiently on 5V DC.

Technical Specifications of AJ-SR04M Waterproof Ultrasonic Module:

• • Operating Voltage: 5V DC
  • Operating Current: 15mA
  • Distance Range: 20cm to 450cm
  • Distance Accuracy: ±1cm
  • Operating Frequency: 40kHz
  • Output Signal: Pulse width modulated signal
  • Dimensions: Approximately 45mm x 20mm x 15mm
  • Weight: 15 grams

Mechanical Specifications of AJ-SR04M Waterproof Ultrasonic Module:

• • Dimensions: 45mm x 20mm x 15mm
  • Waterproof Casing: Fully sealed for outdoor and underwater use.
  • Mounting: Screw holes for secure attachment to surfaces.

Schematic Diagram, Connection, Wiring, and Pinout of AJ-SR04M Ultrasonic Module:

• • Schematic Diagram: The module includes a transmitter, receiver, and control circuit, with pins for power and signal.
  • Connection Steps:
    • 1. Connect the VCC pin to a 5V DC power supply.
    • 2. Connect the GND pin to the ground of your circuit.
    • 3. Connect the TRIG pin to a digital output pin of the microcontroller.
    • 4. Connect the ECHO pin to a digital input pin of the microcontroller.
  • Pinout:
    • VCC: 5V DC power input
    • GND: Ground
    • TRIG: Trigger input signal
    • ECHO: Echo output signal

Applications of AJ-SR04M Waterproof Ultrasonic Module:

• • Obstacle Detection: Used in robotics and automation for object avoidance.
  • Water Level Monitoring: Measures water levels in tanks or open areas.
  • Parking Sensors: Assists in vehicle parking systems.
  • Outdoor Applications: Reliable for weather monitoring and outdoor measurements.
  • DIY Projects: Ideal for hobbyists creating waterproof distance sensors.

Datasheet:

• • Download AJ-SR04M Datasheet

Keywords for AJ-SR04M Waterproof Ultrasonic Module:

• • AJ-SR04M
  • Waterproof Ultrasonic Sensor
  • Distance Measurement Sensor
  • 40kHz Ultrasonic Module
  • Ultrasonic Rangefinder

Package Includes:

• • 1 x AJ-SR04M Waterproof Ultrasonic Module