MB7139-221 Product Overview

Product Category

The MB7139-221 belongs to the category of ultrasonic distance sensors.

Basic Information Overview

• Use: The MB7139-221 is used for measuring distances and detecting objects using ultrasonic technology.
• Characteristics: It has high accuracy, reliable performance, and is suitable for various environmental conditions.
• Package: The sensor comes in a durable housing with mounting holes for easy installation.
• Essence: The essence of the MB7139-221 lies in its precise distance measurement capabilities.
• Packaging/Quantity: Typically, the sensor is packaged individually and is available in varying quantities based on customer requirements.

Specifications

• Range: 20 cm to 765 cm
• Resolution: 1 cm
• Operating Voltage: 2.7V to 5.5V
• Output: Analog voltage, serial data
• Operating Temperature: -40°C to 65°C
• Protection: IP67 rated for water resistance

Detailed Pin Configuration

The MB7139-221 features the following pin configuration: - Vcc: Power supply input - GND: Ground connection - AN: Analog output - TX: Serial data output

Functional Features

• High accuracy distance measurement
• Reliable object detection
• Water-resistant design for outdoor use
• Compatibility with microcontrollers and single-board computers

Advantages and Disadvantages

Advantages

• Wide operating range
• Precise measurements
• Versatile applications
• Robust construction for durability

Disadvantages

• Limited resolution for close-range measurements
• Higher power consumption compared to some alternatives

Working Principles

The MB7139-221 operates by emitting ultrasonic pulses and measuring the time taken for the pulses to return after being reflected by an object. This time measurement is then converted into a distance reading.

Detailed Application Field Plans

The MB7139-221 is well-suited for various applications including: - Robotics for obstacle avoidance and navigation - Industrial automation for object detection and positioning - Automotive systems for parking assistance and collision avoidance - IoT devices for distance monitoring and presence detection

Detailed and Complete Alternative Models

Some alternative models to the MB7139-221 include: - MB1240-221: Similar range and resolution with different form factor - MB7360-221: Higher resolution and longer range capability - MB1010-221: Lower cost option with slightly reduced accuracy

In conclusion, the MB7139-221 ultrasonic distance sensor offers high accuracy and reliability, making it suitable for diverse applications across industries.

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