Parallax Laser Range Finder (LRF) Module

32070

99.00 USD
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Price
1
$99.00 ea.

This sensor is able find objects and walls with ultimate precision and makes laser ranging technology finally affordable.


Description [Hide]

A great design collaboration between Joe Grand (Grand Ideas) and Parallax! The design uses a Propeller processor, CMOS camera (like in the Wiimote), and laser diode to create a low-cost laser range finder. Distance to a targeted object is calculated by optical triangulation using simple trigonometry between the centroid of laser light, camera, and object.

 Features:

  • Compact module with integrated CMOS camera and laser system
  • Optimal measurement range of 6–48 inches (15–122 cm) with an accuracy error
  • Maximum object detection distance of ~8 feet (2.4 meters)
  • Range finding sample rate of 1Hz
  • Single row, 4-pin, 0.1” header for easy connection to a host system

Application Ideas:

  • Distance or liquid level measurements
  • Object detection and/or avoidance for robots
  • Item counting
  • Backup sensor

Specifications:

  • Power requirements: 5 VDC @ 150 mA
  • Communication: Asynchronous serial; 300–115,200 baud with automatic baud rate detection
  • Dimensions: 3.95 x 1.55 x 0.67 in (10.05 x 3.95 x 1.7 cm)
  • Operating temperature: +32 to 122 °F (0 to +50 °C)

Additional Resources:
Grand Idea Studio's Laser Range Finder page
Demonstration videos of the LRF Module
Hack A Week by Dino Segovis
Object Sensing Robot using the LRF Module by Roy Eltham
LRF Development Diary post
Beau Schwabe's video 
Laser Range Finder/Game Boy Printer Hack

 

Documentation [Hide]

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