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Discover detection product treasures from around the world with our guide to cross-border e-commerce. VKDN curates the latest and high-quality recommendations for your global shopping experience in detection products.

Showing 1–36 of 723 results

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25% off

5V Liquid level controller Water Detection Sensor Module for Arduino Module

$2.58~~$3.44~~

UV Detection Sensor Module 200-375nm Wavelength DC 3.3V-5V Ultraviolet Ray Module For Arduino NEW

$3.03~~$3.03~~

45% off

1set PM2.5 Sensor SDS011 High Precision Laser Air Quality Detection Super Dust , Digital Output

$18.37~~$33.40~~

30% off

New UPS 18650 Lite UPS Power HAT Board With Battery Electricity Detection For Raspberry Pi 4B 3B+ 3B

$26.42~~$37.75~~

38% off

652F BH1750FVI Light Intensity Sensors Module, Wide Ranges Illuminations Detection for Home Automation Stable Dc5v

$19.65~~$31.69~~

Automatic Watering Pump Automatic Irrigation Module DIY Kit Soil Moisture Detection Automatic Watering

$4.79~~$4.79~~

26% off

1PCS INA240 Module INA240A1 Current Detection Amplifier Current Monitoring Dual Way Current Collection

$3.26~~$4.40~~

GY-9960-3.3 APDS-9960 Proximity Detection And Non-Contact Gesture Detection RGB And

$2.33~~$2.33~~

35% off

Lithium battery power detection alarm module A/D conversion IIC interface detection MAX17043

$3.02~~$4.65~~

4-pin Photoresistor Sensor Module Light Detection Diode

$2.28~~$2.28~~

20% off

5V Liquid level controller Water Detection Sensor Module for Arduino NEW

$2.58~~$3.22~~

Voltage Detection Module Sensor Electronic Building Blocks

$2.58~~$2.58~~

37% off

USB Type-C PD2.0 3.0 to DC Decoy Fast Charge Trigger Poller Detection Module

$1.18~~$1.87~~

37% off

Single axis tilt angle SCA60C tilt detection sensor module

$9.20~~$14.60~~

29% off

3-way 220V optocoupler isolation module/AC detection module/220V detection module/card rail enhanced version

$4.47~~$6.30~~

29% off

usb voltage current capacity power watt-hour temperature detection test instrument mobile phone charger mobile power MX17

$4.19~~$5.90~~

UVM-30A UV Ultraviolet Ray Detection Sensor Module 3-5V

$6.98~~$6.98~~

29% off

Mini MP-4 Combustible Gas Natural Gas Methane Detection Probe Sensor Module

$2.29~~$3.22~~

43% off

Lamp beads piranhas light LED tester, light-emitting diode detection box

$1.19~~$2.08~~

25% off

1PCS USB Type-C PD2.0 3.0 to DC Decoy Fast Charge Trigger Poller Detection Module

$1.18~~$1.57~~

1PCS ADS1110 16-Bit Analog/Digital AD Convertor Thermocouple Temperature Detection 1110 2.7-5.5V 240uA Board Module

$2.73~~$2.73~~

29% off

12V Light Control Switch Photosensitive Resistance Plus Relay Module Detection Sensor

$1.24~~$1.75~~

20% off

New Original UPS Lite V1.3 UPS Power HAT Board With Battery Electricity Detection For Raspberry Pi Zero Zero 2 W

$19.80~~$24.75~~

30 sold

Water Sensor for Level Drop Depth Detection

$2.68~~$2.68~~

29% off

1 way 220V AC Optocoupler Module Detect the Presence of 220V Voltage Bare-board Single-chip Microcomputer TTL Level

$1.35~~$1.90~~

DC 12V 0-5A overcurrent protection sensor module AC current detection sensor relay Switching signal output Module For arduino

$2.60~~$2.60~~

35% off

New UPS 18650 Lite UPS Power HAT Board With Battery Electricity Detection For Raspberry Pi 4B 3B+ 3B

$26.76~~$41.17~~

29% off

Detecting sound / audio signal controller / relay / on / off / sound sensor module / 5V with shell

$8.09~~$11.40~~

4 sold

UV Detection Sensor Module 200-375nm Wavelength DC 3.3V-5V Ultraviolet Ray Module For Arduino

$3.03~~$3.03~~

1 sold

29% off

DS18B20 Temperature Sensor Module I2C/IIC Detection for Pi

$2.48~~$3.50~~

40% off

1/3/8 channel AC 220V MCU TTL Level 8 Ch Optocoupler Isolation Test Board Isolated Detection Tester PLC Processors Module

$1.11~~$1.85~~

Voltage Detection Module Voltage Sensor Voltage Sensor Electronic Building Blocks

$3.08~~$3.08~~

36% off

ADWE Digital Light Intensity Sensors Module BH1750FVI Light Sensors For Project , 2Pack, High Precise Light Detection

$19.92~~$31.13~~

1PCS Liquid PH Value Detection detect Sensor Module Monitoring Control Board Module NEW

$6.66~~$6.66~~

29% off

AC current detection Current measurement Digital overcurrent protection Digital display overcurrent protection

$9.23~~$13.00~~

1 sold

20% off

Broadband peak-to-peak detection module 50KHz or less Low-frequency positive and negative peak-to-peak high-precision detection

$9.19~~$11.49~~

25% off

5V Liquid level controller Water Detection Sensor Module for Arduino Module

$2.58 $3.44

Categories: Computer & Office, Computer Components

Buy Now

UV Detection Sensor Module 200-375nm Wavelength DC 3.3V-5V Ultraviolet Ray Module For Arduino NEW

$3.03 $3.03

Categories: Computer & Office, Computer Components

Buy Now

45% off

1set PM2.5 Sensor SDS011 High Precision Laser Air Quality Detection Super Dust , Digital Output

$18.37 $33.40

Categories: Computer & Office, Computer Components

Buy Now

30% off

New UPS 18650 Lite UPS Power HAT Board With Battery Electricity Detection For Raspberry Pi 4B 3B+ 3B

$26.42 $37.75

Categories: Computer & Office, Computer Components

Buy Now

38% off

652F BH1750FVI Light Intensity Sensors Module, Wide Ranges Illuminations Detection for Home Automation Stable Dc5v

$19.65 $31.69

Categories: Computer & Office, Computer Components

Buy Now

Automatic Watering Pump Automatic Irrigation Module DIY Kit Soil Moisture Detection Automatic Watering

$4.79 $4.79

Categories: Computer & Office, Computer Components

Buy Now

26% off

1PCS INA240 Module INA240A1 Current Detection Amplifier Current Monitoring Dual Way Current Collection

$3.26 $4.40

Categories: Computer & Office, Computer Components

Buy Now

GY-9960-3.3 APDS-9960 Proximity Detection And Non-Contact Gesture Detection RGB And

$2.33 $2.33

Categories: Computer & Office, Computer Components

Buy Now

35% off

Lithium battery power detection alarm module A/D conversion IIC interface detection MAX17043

$3.02 $4.65

Categories: Computer & Office, Computer Components

Buy Now

4-pin Photoresistor Sensor Module Light Detection Diode

$2.28 $2.28

Categories: Computer & Office, Computer Components

Buy Now

20% off

5V Liquid level controller Water Detection Sensor Module for Arduino NEW

$2.58 $3.22

Categories: Computer & Office, Computer Components

Buy Now

Voltage Detection Module Sensor Electronic Building Blocks

$2.58 $2.58

Categories: Computer & Office, Computer Components

Buy Now

37% off

USB Type-C PD2.0 3.0 to DC Decoy Fast Charge Trigger Poller Detection Module

$1.18 $1.87

Categories: Computer & Office, Computer Components

Buy Now

37% off

Single axis tilt angle SCA60C tilt detection sensor module

$9.20 $14.60

Categories: Computer & Office, Computer Components

Buy Now

29% off

3-way 220V optocoupler isolation module/AC detection module/220V detection module/card rail enhanced version

$4.47 $6.30

Categories: Computer & Office, Computer Components

Buy Now

29% off

usb voltage current capacity power watt-hour temperature detection test instrument mobile phone charger mobile power MX17

$4.19 $5.90

Categories: Computer & Office, Computer Components

Buy Now

UVM-30A UV Ultraviolet Ray Detection Sensor Module 3-5V

$6.98 $6.98

Categories: Computer & Office, Computer Components

Buy Now

29% off

Mini MP-4 Combustible Gas Natural Gas Methane Detection Probe Sensor Module

$2.29 $3.22

Categories: Computer & Office, Computer Components

Buy Now

43% off

Lamp beads piranhas light LED tester, light-emitting diode detection box

$1.19 $2.08

Categories: Computer & Office, Computer Components

Buy Now

25% off

1PCS USB Type-C PD2.0 3.0 to DC Decoy Fast Charge Trigger Poller Detection Module

$1.18 $1.57

Categories: Computer & Office, Computer Components

Buy Now

1PCS ADS1110 16-Bit Analog/Digital AD Convertor Thermocouple Temperature Detection 1110 2.7-5.5V 240uA Board Module

$2.73 $2.73

Categories: Computer & Office, Computer Components

Buy Now

29% off

12V Light Control Switch Photosensitive Resistance Plus Relay Module Detection Sensor

$1.24 $1.75

Categories: Computer & Office, Computer Components

Buy Now

20% off

New Original UPS Lite V1.3 UPS Power HAT Board With Battery Electricity Detection For Raspberry Pi Zero Zero 2 W

$19.80 $24.75

30 sold

Categories: Computer & Office, Computer Components

Buy Now

Water Sensor for Level Drop Depth Detection

$2.68 $2.68

Categories: Computer & Office, Computer Components

Buy Now

29% off

1 way 220V AC Optocoupler Module Detect the Presence of 220V Voltage Bare-board Single-chip Microcomputer TTL Level

$1.35 $1.90

Categories: Computer & Office, Computer Components

Buy Now

DC 12V 0-5A overcurrent protection sensor module AC current detection sensor relay Switching signal output Module For arduino

$2.60 $2.60

Categories: Computer & Office, Computer Components

Buy Now

35% off

New UPS 18650 Lite UPS Power HAT Board With Battery Electricity Detection For Raspberry Pi 4B 3B+ 3B

$26.76 $41.17

Categories: Computer & Office, Computer Components

Buy Now

29% off

Detecting sound / audio signal controller / relay / on / off / sound sensor module / 5V with shell

$8.09 $11.40

4 sold

Categories: Computer & Office, Computer Components

Buy Now

UV Detection Sensor Module 200-375nm Wavelength DC 3.3V-5V Ultraviolet Ray Module For Arduino

$3.03 $3.03

1 sold

Categories: Computer & Office, Computer Components

Buy Now

29% off

DS18B20 Temperature Sensor Module I2C/IIC Detection for Pi

$2.48 $3.50

Categories: Computer & Office, Computer Components

Buy Now

40% off

1/3/8 channel AC 220V MCU TTL Level 8 Ch Optocoupler Isolation Test Board Isolated Detection Tester PLC Processors Module

$1.11 $1.85

Categories: Computer & Office, Computer Components

Buy Now

Voltage Detection Module Voltage Sensor Voltage Sensor Electronic Building Blocks

$3.08 $3.08

Categories: Computer & Office, Computer Components

Buy Now

36% off

ADWE Digital Light Intensity Sensors Module BH1750FVI Light Sensors For Project , 2Pack, High Precise Light Detection

$19.92 $31.13

Categories: Computer & Office, Computer Components

Buy Now

1PCS Liquid PH Value Detection detect Sensor Module Monitoring Control Board Module NEW

$6.66 $6.66

Categories: Computer & Office, Computer Components

Buy Now

29% off

AC current detection Current measurement Digital overcurrent protection Digital display overcurrent protection

$9.23 $13.00

1 sold

Categories: Computer & Office, Computer Components

Buy Now

20% off

Broadband peak-to-peak detection module 50KHz or less Low-frequency positive and negative peak-to-peak high-precision detection

$9.19 $11.49

Categories: Computer & Office, Computer Components

Buy Now

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