SKU: SENS-4125
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MaxBotix MB1242 I2CXL-MaxSonar-EZ4 Ultrasonic Sensor Module

₹3,869.00 (Inclusive of all taxes)
Out of Stock

The MaxBotix MB1242 I2CXL-MaxSonar-EZ4 is a high-performance ultrasonic distance sensor module designed for indoor applications. It provides precise, noise-resistant ranging from 20 cm to 765 cm via a simple I2C interface, making it compatible with microcontrollers like Arduino, Raspberry Pi, ESP32, and STM32.

Features

  • High-accuracy ultrasonic ranging from 20 cm to 765 cm with 1 cm resolution.
  • Simple I2C bus interface allows control of up to 127 sensors on a single bus.
  • Real-time automatic calibration for voltage, humidity, and ambient noise ensures stable readings.
  • Virtually no dead zone; objects closer than 20 cm are reported as 20 cm.
  • Robust firmware filtering provides high noise tolerance and clutter rejection.

Out of stock

Description

The MB1242 sensor utilizes a 42 kHz ultrasonic transducer to accurately measure distance to objects. Its advanced signal processing incorporates real-time waveform signature analysis and continuously variable gain to deliver virtually noise-free readings, even in environments with acoustic or electrical interference. This makes it suitable for reliable object detection and ranging in controlled indoor settings.

Designed for easy integration, the module features mounting holes on its compact PCB and operates from a 3V to 5.5V supply. The I2C communication protocol simplifies wiring and software integration, enabling scalable multi-sensor systems for robotics, automation, and level monitoring applications where precise, non-contact distance measurement is required.

Key Features

  • I2CXL Series sensor with simple two-wire I2C interface for easy daisy-chaining.
  • Advanced real-time automatic calibration compensates for environmental variables.
  • High-output acoustic power and sophisticated noise rejection algorithms for reliable operation.
  • Compact and lightweight design with onboard mounting holes for straightforward installation.
  • High reliability with a rated Mean Time Between Failure (MTBF) exceeding 200,000 hours.
  • Optimized for indoor use with a consistent 20-765 cm sensing range.

Applications

  • Indoor robotics for obstacle detection and navigation.
  • Liquid level monitoring in tanks and reservoirs within controlled environments.
  • Proximity sensing and object detection in automation and conveyor systems.
  • People detection and presence sensing for smart building applications.
  • Range-finding and bin-level monitoring in inventory management systems.

Technical Specifications

Manufacturer Part NumberMB1242
SeriesMB12 Series
Operating Voltage3 - 5.5 V DC
Sensing Range20 - 765 cm
Maximum Range765 cm
Read Rate40 Hz
Ultrasonic Frequency42 kHz
Resolution1 cm
Average Current Consumption4.4 mA
Communication InterfaceI2C
PCB Dimensions (L x W)22.5 x 20 mm
Sensor Cover Diameter16 mm
Weight6 g

Frequently Asked Questions

What is the operating voltage range for the MB1242 sensor?

The MB1242 operates from 3.0 to 5.5 volts DC. This wide range makes it directly compatible with both 3.3V and 5V logic systems, such as those found on Arduino, Raspberry Pi, and ESP32 development boards, without requiring a level shifter.

How do I connect and communicate with multiple MB1242 sensors?

The sensor uses a standard I2C interface. You can connect up to 127 MB1242 sensors to a single microcontroller using just two wires (SDA and SCL), as each sensor has a configurable I2C address. This allows for scalable multi-sensor systems in robotics or monitoring applications.

What is the minimum and maximum measurable distance?

The sensor has a specified range of 20 cm to 765 cm. It features virtually no dead zone; objects detected closer than 20 cm are reliably reported as 20 cm. The maximum range of 765 cm is achieved under ideal indoor conditions.

Is this sensor suitable for outdoor use?

No, the MB1242 is designed and specified for indoor use only. Outdoor conditions like wind, rain, and extreme temperature variations can interfere with the ultrasonic signal and are not supported by its calibration and filtering algorithms.

What is the output format and resolution of the distance reading?

The sensor outputs distance data in centimeters over the I2C bus with a resolution of 1 cm. The data is provided as a digital value, which the host microcontroller can read directly, eliminating the need for analog-to-digital conversion or complex signal interpretation.

Package Includes

  • 1 x MaxBotix MB1242 I2CXL-MaxSonar-EZ4 Ultrasonic Sensor Module

Additional Information

Weight 0.006 kg
Dimensions 2.25 × 2 cm