Ultrasonic Range Finder XL-EZ4 MB1240

Introduction

EZ4 (MB1240) sensor has high power output along with real-time auto calibration for changing conditions (temperature, voltage and acoustic or electrical noise) that ensure you receive the most reliable (in air) ranging data for every reading taken. The MB1240 consumes very low power at 3.3V – 5.5V and operation provides very short to long-range detection and ranging, in a tiny and compact form factor. The MB1240 detect objects from 0-cm to 765cm (25.1 feet) and provide sonar range information from 20-cm out to 765-cm with 1-cm resolution. Objects from 0-cm to 20-cm typically range as 20-cm. The interface output formats included are real time analog voltage envelope, analog voltage output and serial digital output.
To select correct sensor for your application refer to Sensor Selection Guide

Note: Objects from 0-mm to 1-mm may not be detected

Specifications

• Range: 20cm to 765cm
• Resolution: 1cm
• 3.3V to 5.5V supply with very low average current draw
• Range data output format:
  -Analog: (VCC/1024)/cm (4.9mV/cm for 5V and 3.2mV/cm for 3.3V)
  -Pulse width modulation
  -Serial (9600 baud rate)
• Data refresh rate: Up to 100 milliseconds (10Hz)
• Free run mode operation: continually measure and output range information
• Triggered mode operation: provides the range reading as desired
• Sensor operating frequency: 42KHz
• Hardware gain: 250
• Used for short range, medium detection zone for small targets

Documents

EZ4 sensor datasheet
EZ4 sensor Beam width explanation

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