Dobrica Pavlinušić's random unstructured stuff

PIR: Revision 8

{image: pir-pinout.jpg}

^ BISS001 module

BISS001 - Micro Power PIR Motion Detector IC

* Input voltage: 3-5 V
* Hi: 0.7*Vdd = 0.7 * 5 V = 3.5 V
* Lo: 0.3*Vdd = 0.3 * 5 V = 1.5 V

^ HC-SR501 module

Technical data of the HC-SR501 Motion and Sensor Modules:

.pre
Input voltage: 4.5 V - 20 V
Digital output when motion is detected: 3.3 V (high)
Digital output with no movement on the HC-SR501: 0 V (low)
Working temperature in the environment: -15 � C to 70 � C
Delay Time 0.5 to 200 seconds
Angle of coverage: 100 �
Reach 5m - 7m
Size of the HC-SR501 motion:

Sensor Lens diameter: 23mm
Length: 24.03mm
Width: 32.34mm
Height (with lens): 24.66mm
Center screw hole spacing: 28 mm
Screw hole diameter: 2mm (M2)
.pre

^ Collect pir data using Linux gpio

both pots are all the way to the left (if jumper is on the left toword edge of board) to make minimal timeout

{file: pir.sh}