How do I deploy PIR sensors to track people's entrance and exits of a room?
68974
What sensor to choose to track human presence indoors?
78030
Triggering 12v Relay with HC-SR501 PIR sensor
118537
How to use lm-sensors?
61610
Correct tracked camera orientation
102041
Pinpoint the area light to object
78154
How to read the numbers on electrical wiring to run within walls
126310
Best way to signal no longer used (lost) key
2375
What's the best way to send a signal to all members of a process group?
118989
How do I connect multiple devices to an ISP that gives web-based portal for logging in?
21810
How to identify items without getting killed
60698
How can I detect a keylogger on my system?
151271
How does holodeck keep people from running into the walls?
107799
Equivalent of iwlist to see who is around?
41918
How do I get a background location update every n minutes in my iOS application?
158722
how to verify users are in group
111543
Seeking a GIS for indoor mapping and direction finding
26004
RS-422 distance sensor with arduino