The file 'Occupancy Detector For Arduswitch 3D Printer Model' is (ipt,stl) file type, size is 785.6KB.
It is designed to hold two sharp 2Y0A02 infrared distance rangers. This will let you know if a person is coming into or out of a room. Works well but it can be easily tricked.
See it work in this video http://youtu.be/LK1QuKDAAWI?list=UUb7wcHtIuJ33AhQX-S9aLzg
Find out more at http://www.lights-off.com.
For youtube videos on the project visit http://www.youtube.com/playlist?list=PLuFG8ny2IoqH9LiVepVwCGVSHnZ31UTJ7 .
Need a CAD model of the SHARP 2Y0A02, check out https://grabcad.com/library/sharp-2y0a02-2.
irbracket.ipt | 115.5KB | |
IR_Brackets.stl | 220.7KB | |
IR_Bracket_Dual.ipt | 712.5KB | |
IR_Bracket_Dual.stl | 300.5KB |