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    Product Description

    Human body infrared sensor module

    Human body infrared sensor module

    The module detects human activity through the principle of pyroelectricity. Once a person enters the detection area, the sensor will send a high-level signal. The Fresnel lens filter attached to the surface can improve the recognition sensitivity and reduce the effect of environmental interference. This module is often used in corridor switches, visitor notification devices, etc.

    Product parameters:

    VCC: power supply interface, can be connected to 3.3V, 5V

    GND: Ground

    OUT: Single bus digital signal output

    NC: Empty interface, no need to connect

    Working voltage: 3.3V/5V

    Module size: 29.4mm*36mm

    Sensing angle: 120°

    Sensing distance: 8m

    Model sensor: RDA224 digital pyroelectric sensor

    Interface interface: interface interface, DuPont line interface, PH2.0 cable interface

    Connection:

    1. Alligator clip connection

    (Recommended scenario: use of micro:bit motherboard or micro:bit expansion board)

    2. Dupont line connection

    (Recommended scenario: common connection methods such as Raspberry Pi and Arduino)

    3. PH2.0 cable connection

    (Recommended scenarios: common connection methods such as robot kits, sensor expansion boards, etc.)

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      Sensors

      Human body infrared sensor module

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