10Pcs Pir Sensor AM312 Mini Pir Motion Sensor Module Body Sensors Manual Motion Infrared IR Detector for AR duino

★★★★★ 4.8 115 reviews

US$5.60
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Product details

Management number 239172544 Release Date 2026/07/14 List Price US$5.60 Model Number 239172544
Category
  • AM312 PIR Sensor Module: A digital intelligent automatic control product based on passive infrared technology, featuring high sensitivity and reliability, widely used in various automatic sensing electrical devices.
  • PIR Sensor Parameters: Operating Voltage: DC 3-12V; Static Power Consumption: <0.1mA; Sensing Range: 120-degree cone angle, 2-5 meters; Block Time: 2 seconds; Delay Time: 2 seconds; Trigger Mode: Repeatable; Output Level: High 3V after triggering (depending on the lens); Operating Temperature: -20°C to +60°C
  • Product Features: 1. Enhanced anti-interference performance, internal digital signal processing, and direct high and low level output. 2. Repeatable triggering mode: After the sensor outputs a high level, if a person moves within the sensing range during the delay period, the output will remain high until the person leaves, at which point it returns to a low level. (This means that the sensor module automatically extends the delay period for each detected human activity, with the last detected activity serving as the starting point.)
  • Pin Definition: VCC: Positive power supply (3-12V); OUT: Signal pin; GND: Power supply.
  • This AM312 mini PIR sensor has a wide range of applications. You can use it in a variety of applications, such as motion-sensing lighting, entrance lighting, cabinet lighting, safe lighting, pantry lighting, bed rail lighting, motion-sensing toys, and industrial automation control.
  • Note: Before use, carefully check the device's pinout diagram or datasheet to ensure VCC/GND/OUT correspondences correctly. Use a multimeter to measure the pin voltages to confirm normal power supply before connecting the Arduino to avoid reversing connections and damaging the device Sensor Installation and Debugging Precautions: The AM312 requires 1–2 minutes to warm up after power-on. Please wait patiently for the sensor to stabilize before testing. Avoid direct sunlight, air conditioning vents, and other areas with fluctuating temperatures during installation. A height of 1.5–2 meters with a downward tilt of 15°–30° is recommended for optimal detection results.
  • Hardware Protection Tip: A 100Ω resistor can be connected in series with the sensor's VCC pin. Even if connected in reverse, this reduces short-circuit current and protects the Arduino board.
ASIN B0FR9J36YZ
Brand Ransanx
Color white
Manufacturer Ransanx
Model Number Pir Sensor
Power Source Corded Electric
BuiltIn Media 10 pcs Pir Sensor
Maximum Range 5 Meters
Mounting Type Pir Sensor
Compatible Devices Lighting Systems, Industrial Control Systems, Smart Home Hubs, Security Systems
Item Dimensions D x W x H 3.94"D x 3.94"W x 0.59"H

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