Meets expectations
I found this sensor is not very sensitive, but i like the small size, flexible input voltage and good vale.
Richard Graham
Little Bird
Mini PIR Motion Sensor
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Little Bird Electronics
$5.35
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The AM312 sensor is a mini IR pyroelectric infrared PIR motion human body sensor that is easy to install and has low power consumption. Its digital signal...
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The AM312 sensor is a mini IR pyroelectric infrared PIR motion human body sensor that is easy to install and has low power consumption. Its digital signal processing and high sensitivity make it ideal for use in automatic sensing circuits. Additionally, the repeatable trigger mode ensures that the sensor can detect each instance of human activity in its range.
Technical Parameters:
Technical Parameters:
- Operating voltage: DC 2.7-12V;
- Static power consumption: <0.1mA;
- Delay time: 2 seconds;
- Block time: 2 seconds;
- Trigger mode: repeatable;
- Sensing range: ≤ 100 degrees cone angle, 3-5 meters; (according to the specific lens)
- Working temperature: -20 - + 60 ℃
- PCB Dimensions: 10mm * 8mm
- Module lens: small lens
Jargon buster
Plain-language definitions for the technical terms used above.
- DC
- DC means direct current, where electricity flows in one constant direction, as supplied by batteries, USB ports and many plug-pack power supplies. When a product specifies DC, it runs from a DC supply rather than mains AC, so you need to provide the correct voltage and polarity.
- PCB
- A printed circuit board (PCB) is a board, usually rigid, with etched copper tracks that connect electronic components together without loose wiring. Components are mounted on the board and signals route between them through the copper layout.
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