smartxp wiki

This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong.

**PIR motion sensor**\\
{{ ::sen-hc-sr501-1b.png?400|}}

HC-SR501 auto-senses light for various applications (in house, basement, outdoor, warehouse, garage, etc,) for
ventilator control, alarm, etc.
\\
Output goes high when objects enter the sensing range, and automatically returns to low when object leaves\\
Trigger mode jumper\\
L: Non-repeatable / delay mode: sensor goes low after the delay, regardless of the presence of the object.\\
H: Repeatable: sensor stays high as long as any object is detected during the delay time.\\
\\
Specifications\\
Voltage 	4.8 V – 20 V\\
Current (idle) 	<50 µA\\
Logic output 	3.3 V / 0 V\\
Delay time 	0.3 s – 200 s, custom up to 10 min\\
Lock time 	2.5 s (default)\\
Trigger 	repeat : L = disable , H = enable\\
Sensing range 	<120 °, within 7 m\\
Temperature 	– 15 ~ +70 °C\\
Dimension 	32 x 24 mm\\
\\
{{ ::18914279.jpg?400|}}\\
{{ ::hc-sr501_passive_infrared_pir_motion_sensor.pdf | hc-sr501 manual}}\\