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  1. HC-SR501 22mm Dia Head 7m Sensor Distance PIR IR Motion Module DC5-20V

    HC-SR501 22mm Dia Head 7m Sensor Distance PIR IR Motion Module DC5-20V

    $8.93

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  2. MQ-2 LM393 Chip Smoke Gas Sensor Module DC 5V for MCU

    MQ-2 LM393 Chip Smoke Gas Sensor Module DC 5V for MCU

    $8.50

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  3. DC 3.3-5V Soil Moisture Humidity Sensor Detection Control Module

    DC 3.3-5V Soil Moisture Humidity Sensor Detection Control Module

    $4.01

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  4. 1Kg Capacity Platform Scale Load Cell Weighing Sensor New

    1Kg Capacity Platform Scale Load Cell Weighing Sensor New

    $10.47

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  5. DC3-5V 10-1000ppm Carbonic Oxide Gas Sensor Module Detector MQ-9

    DC3-5V 10-1000ppm Carbonic Oxide Gas Sensor Module Detector MQ-9

    $13.97

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  6. DC 5V PCB Board Electricity 85dB Buzzer Alarm Time Delay Module FC-31

    DC 5V PCB Board Electricity 85dB Buzzer Alarm Time Delay Module FC-31

    $9.49

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  7. RDA5807M RRD-102V2.0 Stereo FM Radio Module DC 2.7-3.6V

    RDA5807M RRD-102V2.0 Stereo FM Radio Module DC 2.7-3.6V

    $3.39

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  8. YAC-1B Rectangle Aluminium Alloy Electronic Platform Scale Load Cell 8Kg

    YAC-1B Rectangle Aluminium Alloy Electronic Platform Scale Load Cell 8Kg

    $20.12

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  9. ORD324 Silver Tone Metal Axial Leads Green Glass Tube NO SPST Reed Switch

    ORD324 Silver Tone Metal Axial Leads Green Glass Tube NO SPST Reed Switch

    $3.39

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  10. DC 5V 0-20S Optocoupler Adjustable Delay Time Module w Buzzer Alarm

    DC 5V 0-20S Optocoupler Adjustable Delay Time Module w Buzzer Alarm

    $13.47

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