| Manufacturer | Vernier |
This Vernier sensor has an infrared LED emitter on one arm and a phototransistor on the other arm. An object blocks the infrared beam as it passes. Motion data can be determined in software from the timing of beam blocking.
SIUE STEM Resource Center
http://www.siuestemcenter.org/
Southern Illinois University Edwardsvillehttp://www.siuestemcenter.org/
Science East, Room 1276
Edwardsville, IL, 62026
USA
618-650-3065