Ultrasonic Range Finder I2CXLEZ1-MB1212

Introduction

The I2CXL-MaxSonar-EZ sensor allows for easy I2C integration and multisensor operation using a single bus. The sensor have high acoustic power output along with real-time auto calibration for changing conditions (voltage and acoustic or electrical noise) that ensure users receive the most reliable (in air) ranging data for every reading taken.

The I2CXLEZ1-MB1212 offers a lower hardware gain and a smaller, narrower detection zone than the MB1202. This makes the EZ1 a great choice for people detection applications.

This sensor provides very short to long-range detection and ranging, in a tiny and compact form factor. It detect objects from 0-cm to 765-cm (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.

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

Specifications/Features

• Resolution: 1-cm
• Data refresh rate: up to 40Hz
• Range: 20cm to 765cm (25 Feet)
• Sensor operates at 42kHz
• Virtually no sensor dead zone, objects closer than 20 cm will typically range as 20 cm
• Operating voltage: 3V-5.5V
• Average current requirement: 4.4mA
• Operational Temperature from 0°C to +65°C (32°F to +149°F)
• I2C bus communication allows rapid control of multiple sensors with only two wires
• Easy control of multiple sensors
• Control up to 127 sensors using two wires
• Firmware filtering for better noise tolerance and clutter rejection
• Recommended as starting sensor.
• Status pin available to determine sensor state also Power-up address reset pin is available

Multiple Sensor Reference Wiring Diagram
Adding additional sensors to the I2C bus is extremely simple, as long as each sensor is programmed first to a different address, and the bus capacitance is low enough for the pull-up resistors to work properly. GND, V+, SCL and SDA simply need to be connected to the existing wires that the bus operates on. Each sensor can then be addressed individually to perform a range finding cycle or return the range data.
Note: For more detail refer datasheet.

Dimensions

Documents

I2CXL-EZ1 sensor datasheet
I2CXL-EZ1 sensor Beam width explanation
Maxbotics FAQ

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