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MB7138-721
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MB7138-721 Product Overview

1. Introduction

The MB7138-721 is a versatile electronic component that belongs to the category of ultrasonic distance sensors. This entry provides an in-depth overview of the product, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

2. Basic Information Overview

  • Category: Ultrasonic Distance Sensor
  • Use: Measuring distance using ultrasonic waves
  • Characteristics: High accuracy, non-contact measurement, compact design
  • Package: Enclosed in a protective housing
  • Essence: Utilizes ultrasonic technology for precise distance measurement
  • Packaging/Quantity: Typically sold individually or in small quantities

3. Specifications

  • Model: MB7138-721
  • Operating Voltage: 2.5V - 5.5V
  • Range: 20cm - 765cm
  • Resolution: 1cm
  • Output: Analog voltage signal
  • Dimensions: Compact form factor

4. Detailed Pin Configuration

The MB7138-721 typically features the following pin configuration: - Vcc: Power supply input - GND: Ground connection - AN: Analog output signal

5. Functional Features

  • High Accuracy: Provides precise distance measurements
  • Non-Contact Measurement: Does not require physical contact with the target object
  • Compact Design: Suitable for integration into various electronic systems

6. Advantages and Disadvantages

Advantages

  • Accurate distance measurement
  • Non-invasive sensing
  • Versatile applications

Disadvantages

  • Limited range compared to some other sensors
  • Susceptible to interference in certain environments

7. Working Principles

The MB7138-721 operates by emitting ultrasonic pulses and measuring the time taken for the pulses to be reflected back to the sensor. By analyzing the time delay, it calculates the distance to the target object.

8. Detailed Application Field Plans

The MB7138-721 is suitable for various applications, including: - Robotics - Industrial automation - Proximity sensing - Object detection

9. Detailed and Complete Alternative Models

Some alternative models to the MB7138-721 include: - MB1240 - MB7360 - MB1000

In conclusion, the MB7138-721 ultrasonic distance sensor offers high accuracy and non-contact distance measurement capabilities, making it a valuable component in diverse electronic systems and applications.

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  1. What is the MB7138-721 sensor used for?

    • The MB7138-721 sensor is commonly used for measuring distance and detecting objects in various technical solutions.

  2. What is the operating range of the MB7138-721 sensor?

    • The operating range of the MB7138-721 sensor is typically between 0 to 765 cm, making it suitable for a wide range of applications.

  3. How accurate is the MB7138-721 sensor in distance measurement?

    • The MB7138-721 sensor is known for its high accuracy, with precision typically within a few centimeters depending on the specific application and environmental conditions.

  4. Can the MB7138-721 sensor be used outdoors?

    • Yes, the MB7138-721 sensor is designed to be used both indoors and outdoors, and it can perform reliably in various weather conditions.

  5. What are the common interfaces for integrating the MB7138-721 sensor into a technical solution?

    • The MB7138-721 sensor often supports interfaces such as analog voltage output, PWM, and serial communication (RS232 or I2C), providing flexibility for integration with different systems.

  6. Does the MB7138-721 sensor have built-in temperature compensation?

    • Yes, the MB7138-721 sensor typically includes built-in temperature compensation to ensure accurate distance measurements across a wide range of temperatures.

  7. Are there any recommended mounting considerations for the MB7138-721 sensor?

    • It is recommended to mount the MB7138-721 sensor in a stable and vibration-free manner to ensure consistent and reliable performance.

  8. Can the MB7138-721 sensor detect multiple objects simultaneously?

    • The MB7138-721 sensor is capable of detecting multiple objects within its field of view, making it suitable for applications requiring detection of multiple targets.

  9. What are the power requirements for the MB7138-721 sensor?

    • The MB7138-721 sensor typically operates within a specified voltage range, commonly around 3.3V to 5V, and has low power consumption, making it suitable for battery-powered applications.

  10. Is the MB7138-721 sensor suitable for use in robotics and autonomous navigation systems?

    • Yes, the MB7138-721 sensor is often used in robotics and autonomous navigation systems due to its accurate distance measurement capabilities and versatile interface options.