Maxbotix LV-MaxSonar-EZ3 Ultrasonic Range Finder (Sonar)

The Maxbotix LV-MaxSonar-EZ3 is a tiny ultrasonic sensor which can detect objects from 0-6.45m (254") and supports pulse width, analog voltage and serial digital output.

AUD$ 38.95

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Our Code: SEN-10005


The LV-MaxSonar-EZ3 packs a lot of features into its very small package. Capable of detecting objects touching the transducer through to long range detection at 6.45m (254") with a resolution of 2.45cm (1") and with virtually no dead zone like some other sensors.

Low power consumption at 2.5V-5.5V @ 2mA means this little sensor will not drain your batteries and because the sensor takes care of processing the ranging information to provide a distance reading it will not hog a microcontroller processor.

Three separate output interfaces of pulse width, analog voltage and serial digital are available simultaneously making this a very versatile sensor.

There's even two mounting holes on the PCB to attach this sensor.

So what's the difference between the MaxBotix EZ Sensors?


  • Very short to long range detection. 0-6.54m (254").
  • Mounting holes
  • Low power 2.5-5.5V @2mA
  • No dead zone
  • Very small. 19.9 x 22.1 x 16.4mm
  • Very light at 4.3g.
  • 20Hz reading rate - Once every 50mS.
  • 42Khz ultrasonic frequency
  • Triggered or free run operation.
  • 3 ouput interfaces
    • Serial 0-Vcc at 9600 Baud, 81N
    • Analog (Vcc/512) / inch. (3.84mV / cm at 5V)
    • Pulse width, (147uS/inch, 57.9uS/cm)


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