Maxbotix XL-MaxSonar-AE4 Sonar Range Finder MB1340

SKU: POLOLU-1664 Brand: Pololu

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MaxBotix ultrasonic sensor line comparison chart.

The Maxbotics XL-MaxSonar family of sonar range finders offers very short- to long-range detection and ranging in an incredibly small package with low power consumption. The XL-MaxSonar detects objects from 0 to 7.65 meters (25 feet) and provides sonar range information beyond 20 cm (8") with a resolution of 1 cm resolution (0.4 in). Objects between 0 and 20 cm range as 20 cm. An efficient transformer uses 0.5 W of power to drive the transducer, yielding high-output acoustic power. This acoustic power, combined with continuously-variable gain, real-time automatic calibration, real-time waveform signature analysis, and real-time noise rejection algorithms, results in virtually noise-free distance readings for most applications, even in the presence of various acoustic or electrical noise sources. The XL-MaxSonar distance sensor is available in five factory-calibrated beam patterns (EZ/AE0-4).

For a less-expensive, lower-resolution, shorter-range version, please consider the LV-MaxSonar-EZ family of distance sensors.

Specifications and Features

  • Small and light: 0.870" x 0.785" x 0.989" (2.2 x 2.0 x 2.5 cm), 0.22 oz (6.1 g)
  • Long range detection: 0 – 7.65 m (25 ft)
  • No dead zone; detections from 0 to 20 cm (8 in) are output as 20 cm
  • Resolution of 1 cm (0.4 in)
  • Low typical current consumption: 3.4 mA at 5 V, 2.1 mA at 3.3 V
  • Runs on 3.3 – 5 V
  • 42 kHz ultrasonic sensor
  • 10 Hz reading rate
  • Readings can be triggered externally or internally
  • Supports three interfaces (all are active simultaneously):
    • Serial output of distance reading: asynchronous, logic-level (TTL), inverted, 9600 bps 8N1
    • Analog output of distance reading: (Vcc/1024) / cm (4.9 mV/cm when input voltage Vcc = 5 V)
    • Pulse width output of distance reading: 58 µs/cm (147 µs/in) on EZ models only
    • Analog voltage envelope of return acoustic wave form on AE models only

Selecting the right distance sensor

Since there are 15 members of the XL- and LV-MaxSonar acoustic distance sensor family, Pololu recommend using the Maxbotix sonar range finder selection guide when choosing a acoustic range sensor for your application. There are 5 different beam configurations for the XL-MaxSonar family (EZ/AE0-4), each pictured below, and two output types: EZ and AE. Both models report a distance reading through an analog voltage output and a serial interface. The EZ models also report the distance reading as a high-accuracy digital pulse width, while the AE models report a real-time analog envelope of the detected acoustic reflections. The analog envelope is an time-varying analog signal representing the acoustic waveform received by the transducer. External processing of this analog envelope allows for the simultaneous detection of multiple objects at different distances. Please see the picture above for an example of the analog envelope output.

Maxbotix XL-MaxSonar-EZ0 / AE0 (MB1200 / MB1300) beam characteristics:

Maxbotix XL-MaxSonar-EZ1 / AE1 (MB1210 / MB1310) beam characteristics:

Maxbotix XL-MaxSonar-EZ2 / AE2 (MB1220 / MB1320) beam characteristics:

Maxbotix XL-MaxSonar-EZ3 / AE3 (MB1230 / MB1330) beam characteristics:

Maxbotix XL-MaxSonar-EZ4 / AE4 (MB1240 / MB1340) beam characteristics:

People often buy this product together with:

3-Pin Female JST PH-Style Cable (30 cm) for Sharp Distance Sensors 3-Pin Female JST PH-Style Cable (30 cm) for Sharp Distance Sensors
Pololu Carrier with Sharp GP2Y0D810Z0F Digital Distance Sensor 10cm Pololu Carrier with Sharp GP2Y0D810Z0F Digital Distance Sensor 10cm
Sharp GP2Y0A02YK0F Analog Distance Sensor 20-150cm Sharp GP2Y0A02YK0F Analog Distance Sensor 20-150cm

Dimensions

Size: 0.870" x 0.785" x 0.989"
Weight: 6.1 g

General specifications

Resolution: 1 cm
Maximum range: 7.65 m
Minimum range: 0 cm1
Sampling rate: 10 Hz
Baud: 9600 bps
Minimum operating voltage: 3.3 V
Maximum operating voltage: 5 V
Supply current: 3.4 mA2

Notes:

1
Objects closer than 20 cm are reported as 20 cm.
2
At 5 V (2.1 mA at 3.3 V).

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Retired

Product Comments

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  • $16+ for Express International (2-5 days, tracked)

If you order lots of gear, the postage amount will increase based on the weight of your order.

Our physical address (here's a PDF which includes other key business details):

Unit 18, 132 Garden Grove Parade
Adamstown
NSW, 2289
Australia

Take a look at our customer service page if you have other questions such as "do we do purchase orders" (yes!) or "are prices GST inclusive" (yes they are!). We're here to help - get in touch with us to talk shop.

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