- MaxSonar-EZ4 detects objects from 0" to 254".
- 2.5-5.5V operation range. Low 2mA supply current.
- 42kHz Ultrasonic sensor with 20Hz reading rate.
- Incredibly Small Package Sonar Range Finder.
- Serial Output, PWM output, Analog Output.
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LV-MaxSonar-EZ4 Ultrasonic Range Finder
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LV-MaxSonar-EZ4 High Performance Ultrasonic Rangefinder
The LV-MaxSonar-EZ4 is the narrowest beam width sensor that is also the least sensitive to side objects offered in the LV-MaxSonar-EZ sensor line. The LV-MaxSonar-EZ4 is an excellent choice when only larger objects need to be detected.
42kHz Ultrasonic sensor measures distance to objects
Read from all 3 sensor outputs: Analog Voltage, Serial Digital, Pulse Width
Virtually No sensor dead zone, objects closer than 6 inches range as 6 inches
Resolution of 1 inch
Maximum Range of 254 inches (645 cm)
Operates from 2.5-5.5V
Low 2.0mA average current requirement
20Hz reading rate
Small, light weight module
Designed for easy integration into your project or product
Narrowest beam of the LV-MaxSonar-EZ sensors
Best for large object detection applications
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robotics projects. Very accurate distance measuring on my rover and on my quadrocopter.
The sensor outputs the range information as either a voltage, pulse width or a serial string. The serial on the sensor is inverted TTL so if you're going to read this into a device that expects RS-232 then you'll need to invert (and level shift if it needs the 12v instead of 5v).
Each of these is available at the same time depending on which pin you want to connect to. I used the serial output in my project as it was the most interesting way of getting the data. The simplest would have been to just read in the voltage via an analog input but then I wouldn't have had the opportunity to write some interesting code and play with my logic analyzer.
Regardless, you won't go wrong with either this sensor or MaxBotix as a supplier.