MB7138-221 Product Overview

Introduction

The MB7138-221 is a versatile electronic component that belongs to the category of ultrasonic distance sensors. This device is commonly used for measuring distances and detecting objects in various applications. The following entry provides a comprehensive overview of the MB7138-221, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Ultrasonic Distance Sensor
• Use: Measurement of distances and object detection
• Characteristics: High accuracy, reliable performance, compact design
• Package: Enclosed in a protective housing
• Essence: Utilizes ultrasonic waves to determine distances
• Packaging/Quantity: Typically sold individually with necessary accessories

Specifications

• Operating Voltage: 5V DC
• Range: 20 cm to 765 cm
• Output: Analog voltage signal
• Operating Temperature: -40°C to 70°C
• Dimensions: 25mm x 20mm x 15mm
• Weight: 10 grams

Detailed Pin Configuration

The MB7138-221 features the following pin configuration: - VCC: Power supply input - GND: Ground connection - Trig: Trigger input for initiating distance measurement - Echo: Output for receiving ultrasonic echo signals

Functional Features

• Accurate distance measurement
• Wide operating range
• Compact and durable design
• Low power consumption
• Easy integration with microcontrollers and other devices

Advantages and Disadvantages

Advantages

• High accuracy
• Versatile application possibilities
• Reliable performance in various environmental conditions
• Low maintenance requirements

Disadvantages

• Limited range compared to some other ultrasonic sensors
• Susceptible to interference from certain materials

Working Principles

The MB7138-221 operates based on the principle of ultrasonic echo ranging. It emits ultrasonic pulses and measures the time taken for the pulses to be reflected back to the sensor. By calculating the time difference, the sensor accurately determines the distance to the target object.

Detailed Application Field Plans

The MB7138-221 finds extensive use in the following application fields: - Robotics and automation - Proximity sensing in industrial equipment - Parking assistance systems - Object detection in security systems - Distance measurement in consumer electronics

Detailed and Complete Alternative Models

• HC-SR04 Ultrasonic Sensor
• Maxbotix LV-EZ Series
• SRF05 Ultrasonic Range Finder

In conclusion, the MB7138-221 ultrasonic distance sensor offers high accuracy and reliability, making it suitable for diverse applications. Its compact design and wide operating range make it a valuable component in various electronic projects and industrial systems.

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