MB7138-420 Product Overview

Introduction

The MB7138-420 is a versatile electronic component that belongs to the category of ultrasonic sensors. This sensor is widely used in various applications due to its unique characteristics and functional features.

Basic Information Overview

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

Specifications

• Operating Voltage: 5V DC
• Detection Range: 20cm to 500cm
• Output: Analog voltage signal
• Operating Temperature: -10°C to 60°C
• Dimensions: Compact size, approximately 25mm x 15mm x 10mm

Detailed Pin Configuration

The MB7138-420 ultrasonic sensor typically consists of four pins: 1. VCC (Power supply) 2. GND (Ground) 3. Trig (Trigger input) 4. Echo (Echo output)

Functional Features

• Non-contact Measurement: The sensor uses ultrasonic waves to measure distance without physical contact with the object.
• High Accuracy: Provides precise distance measurements with minimal margin of error.
• Compact Design: Its small form factor allows for easy integration into various systems and devices.

Advantages and Disadvantages

Advantages

• Accurate distance measurement
• Non-contact operation
• Compact and lightweight design

Disadvantages

• Limited operating temperature range
• Sensitivity to environmental factors such as humidity and temperature variations

Working Principles

The MB7138-420 operates based on the principle of ultrasonic echo ranging. It emits ultrasonic pulses and measures the time taken for the echoes to return, allowing it to calculate the distance to the target object.

Detailed Application Field Plans

The MB7138-420 ultrasonic sensor finds extensive use in the following application fields: - Robotics: for obstacle avoidance and navigation - Industrial automation: for object detection and positioning - Automotive: for parking assistance and collision avoidance systems

Detailed and Complete Alternative Models

1. HC-SR04 Ultrasonic Sensor
2. Maxbotix LV-MaxSonar-EZ Series
3. SRF05 Ultrasonic Range Finder

In conclusion, the MB7138-420 ultrasonic sensor offers high accuracy and non-contact distance measurement capabilities, making it an essential component in various industries and applications.

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