Parallax Laser Range Finder (LRF) Module
This Product Has Been Discontinued, This Page Is For Reference Only.
This sensor is able find objects and walls with ultimate precision and makes laser ranging technology finally affordable.
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.
- 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
- Distance or liquid level measurements
- Object detection and/or avoidance for robots
- Item counting
- Backup sensor
- 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)
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