Qi machine
Parsons BFA Thesis 2011 / Design+Technology / Roxanne Kim / Kimh102@newschool.edu
PIR Sensor Module
PIR sensor detects motion from up to twenty feet away, and PIR stands for Pyroelectric Infrared Ray or
Passive InfraRed
.
This module contains Fresnel lens in order to extend a detectable distance and expand sensitivity.
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