Description
Some Basic Stats
These stats are for the PIR sensor in the Adafruit shop which is very much like the Parallax one . Nearly all PIRs will have slightly different specifications, although they all pretty much work the same. If there’s a datasheet, you’ll want to refer to it
Size: Rectangular
Price: $10.00 at the Adafruit shop
Output: Digital pulse high (3V) when triggered (motion detected) digital low when idle (no motion detected). Pulse lengths are determined by resistors and capacitors on the PCB and differ from sensor to sensor.
Sensitivity range: up to 20 feet (6 meters) 110° x 70° detection range
Power supply: 5V-12V input voltage for most modules (they have a 3.3V regulator), but 5V is ideal in case the regulator has different specs
BIS0001 Datasheet (the decoder chip used)
RE200B datasheet (most likely the PIR sensing element used)
NL11NH datasheet (equivalent lens used)
Parallax Datasheet on their version of the sensor
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