이론
IR Pyroelectric Infrared
Product name
HC-SR501 Adjust Infrared Pyroelectric Infrared PIR Module
Working Voltage Range
DC 5V- 20V
Static power consumption
<65uA
Level Output
High 3.3 V /Low 0V
Detection distance
3--7M(can be adjusted)
Delay time
adjustable (0.3 seconds to 18 seconds)
Blockade time
2.5 S (default)
Trigger Method
L unrepeatable trigger / H repeatable trigger
Dimension
3.2cm x 2.4cm x 1.8cm (approx)