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77% off
DC 5V/12V/24V USB PIR Motion Sensor Switch Body Infrared Intelligent Sensing Detector Switch for LED Strip Light Automatic DC 5V/12V/24V USB PIR Motion Sensor Switch Body Infrared Intelligent Sensing Detector Switch for LED Strip Light Automatic

DC 5V/12V/24V USB PIR Motion Sensor Switch Body Infrared Intelligent Sensing Detector Switch for LED Strip Light Automatic

$17.08$75.03

212 sold
35% off
DS18B20 Temperature Sensor Module Kit Waterproof 100CM Digital Sensor Cable Stainless Steel Probe Terminal Adapter For Arduino DS18B20 Temperature Sensor Module Kit Waterproof 100CM Digital Sensor Cable Stainless Steel Probe Terminal Adapter For Arduino

DS18B20 Temperature Sensor Module Kit Waterproof 100CM Digital Sensor Cable Stainless Steel Probe Terminal Adapter For Arduino

$18.19$27.99

87 sold
1-20PCS KY-003 A3144 Standard Hall Magnetic Sensor Module Work with Arduino Board Hall Effect Magnetic Sensor Module for Arduino 1-20PCS KY-003 A3144 Standard Hall Magnetic Sensor Module Work with Arduino Board Hall Effect Magnetic Sensor Module for Arduino

1-20PCS KY-003 A3144 Standard Hall Magnetic Sensor Module Work with Arduino Board Hall Effect Magnetic Sensor Module for Arduino

$11.85$11.85

39 sold
27% off
Tuya Human Presence Detector Millimeter Wave WiFi /Zigbee MmWave Smart Human Body PIR Sensor Radar Work With Tuya Hub Tuya Human Presence Detector Millimeter Wave WiFi /Zigbee MmWave Smart Human Body PIR Sensor Radar Work With Tuya Hub

Tuya Human Presence Detector Millimeter Wave WiFi /Zigbee MmWave Smart Human Body PIR Sensor Radar Work With Tuya Hub

$8.00$11.00

24 sold
79% off
INA226 CJMCU-226 IIC I2C Interface Bi-Directional Current/Power Monitoring Sensor Module For Arduino INA226 CJMCU-226 IIC I2C Interface Bi-Directional Current/Power Monitoring Sensor Module For Arduino

INA226 CJMCU-226 IIC I2C Interface Bi-Directional Current/Power Monitoring Sensor Module For Arduino

$7.21$35.60

408 sold
47% off
KY-008 650nm Laser Transmitter Module with Laser Sensor Module Non-Modulator Tube Laser Receiver Module Kit for Arduino KY-008 650nm Laser Transmitter Module with Laser Sensor Module Non-Modulator Tube Laser Receiver Module Kit for Arduino

KY-008 650nm Laser Transmitter Module with Laser Sensor Module Non-Modulator Tube Laser Receiver Module Kit for Arduino

$7.20$13.70

7 sold
75% off
Raspberry pi 2 3 the sensor module package HC-SR04 501 DHT11 DS3231 KY-008 Sound Rain Soil sensor for arduino kit Raspberry pi 2 3 the sensor module package HC-SR04 501 DHT11 DS3231 KY-008 Sound Rain Soil sensor for arduino kit

Raspberry pi 2 3 the sensor module package HC-SR04 501 DHT11 DS3231 KY-008 Sound Rain Soil sensor for arduino kit

$7.20$29.02

20 sold
51% off
1pcs GY-291 ADXL345 3-Axis Digital Gravity Sensor Acceleration Module IIC/SPI Transmission 1pcs GY-291 ADXL345 3-Axis Digital Gravity Sensor Acceleration Module IIC/SPI Transmission

1pcs GY-291 ADXL345 3-Axis Digital Gravity Sensor Acceleration Module IIC/SPI Transmission

$0.99$2.03

798 sold
53% off
RPI-1031 Angle Sensor 4DOF Attitude HM Module 4 Direction For Arduino RPI-1031 Angle Sensor 4DOF Attitude HM Module 4 Direction For Arduino

RPI-1031 Angle Sensor 4DOF Attitude HM Module 4 Direction For Arduino

$0.99$2.12

25 sold
85% off
MOES Tuya WiFi/ZigBee Smart PIR Sensor Human Body Infrared Motion Detector Home Security Scene Linkage Automation Battery Power MOES Tuya WiFi/ZigBee Smart PIR Sensor Human Body Infrared Motion Detector Home Security Scene Linkage Automation Battery Power

MOES Tuya WiFi/ZigBee Smart PIR Sensor Human Body Infrared Motion Detector Home Security Scene Linkage Automation Battery Power

$24.42$163.28

305 sold
54% off
20/50/100PCS/LOT NEW TTP223 Touch Button Module Capacitor Type Single Channel Self Locking Touch Switch Sensor for Arduino 20/50/100PCS/LOT NEW TTP223 Touch Button Module Capacitor Type Single Channel Self Locking Touch Switch Sensor for Arduino

20/50/100PCS/LOT NEW TTP223 Touch Button Module Capacitor Type Single Channel Self Locking Touch Switch Sensor for Arduino

$7.19$15.74

1152 sold
47% off
Tuya ZigBee Light Sensor Luminance Sensor Illumination Brightness Detector Home Automation with Smart Life Device Linkage Tuya Tuya ZigBee Light Sensor Luminance Sensor Illumination Brightness Detector Home Automation with Smart Life Device Linkage Tuya

Tuya ZigBee Light Sensor Luminance Sensor Illumination Brightness Detector Home Automation with Smart Life Device Linkage Tuya

$23.91$45.65

463 sold
93% off
Tuya Smart Wireless Temperature Humidity Sensor Mini Bluetooth-Compatible APP Remote Control Thermometer Hygrometer 2PACK Tuya Smart Wireless Temperature Humidity Sensor Mini Bluetooth-Compatible APP Remote Control Thermometer Hygrometer 2PACK

Tuya Smart Wireless Temperature Humidity Sensor Mini Bluetooth-Compatible APP Remote Control Thermometer Hygrometer 2PACK

$9.38$138.68

110 sold
5/10/50PCS BF350-3AA BF350 Precision resistive strain gauge / strain gauge / for the pressure sensor / load cell For Arduino 5/10/50PCS BF350-3AA BF350 Precision resistive strain gauge / strain gauge / for the pressure sensor / load cell For Arduino

5/10/50PCS BF350-3AA BF350 Precision resistive strain gauge / strain gauge / for the pressure sensor / load cell For Arduino

$2.01$2.01

107 sold
78% off
Tuya Wifi Sound&Light Alarm PIR Motion Sensor 130DB Human Infrared Detector Security Smart Life Works With Alexa Google Home Tuya Wifi Sound&Light Alarm PIR Motion Sensor 130DB Human Infrared Detector Security Smart Life Works With Alexa Google Home

Tuya Wifi Sound&Light Alarm PIR Motion Sensor 130DB Human Infrared Detector Security Smart Life Works With Alexa Google Home

$37.15$173.88

45 sold
45% off
1-10Pcs TCRT5000 3Pin Tracking Module IR Infrared Sensor Module IR Infrared Line Reflection Track Follower Sensor For Arduino 1-10Pcs TCRT5000 3Pin Tracking Module IR Infrared Sensor Module IR Infrared Line Reflection Track Follower Sensor For Arduino

1-10Pcs TCRT5000 3Pin Tracking Module IR Infrared Sensor Module IR Infrared Line Reflection Track Follower Sensor For Arduino

$7.21$13.22

17 sold
81% off
Ewelink Zigbee Door Sensor Wireless Magnetic Window Open Closed Alarm Detector Works With Zigbee2MQTT Alexa Google Need Gateway Ewelink Zigbee Door Sensor Wireless Magnetic Window Open Closed Alarm Detector Works With Zigbee2MQTT Alexa Google Need Gateway

Ewelink Zigbee Door Sensor Wireless Magnetic Window Open Closed Alarm Detector Works With Zigbee2MQTT Alexa Google Need Gateway

$23.49$128.41

45 sold
94% off
Tuya WiFi Zigbee PIR Motion Sensor Smart Home Human Body Infrared Detector Security Smart Life Works With Alexa Google Home Tuya WiFi Zigbee PIR Motion Sensor Smart Home Human Body Infrared Detector Security Smart Life Works With Alexa Google Home

Tuya WiFi Zigbee PIR Motion Sensor Smart Home Human Body Infrared Detector Security Smart Life Works With Alexa Google Home

$8.21$143.35

5801 sold
71% off
MT6816 high-speed and high-precision magnetic encoder magnetic induction angle measurement sensor module MT6816 high-speed and high-precision magnetic encoder magnetic induction angle measurement sensor module

MT6816 high-speed and high-precision magnetic encoder magnetic induction angle measurement sensor module

$0.99$3.43

56 sold
74% off
KY-003 Magnetic Switch Sensor Module A3144 Standard Hall Effect Magnetic Sensor Module for Arduino KY-003 Magnetic Switch Sensor Module A3144 Standard Hall Effect Magnetic Sensor Module for Arduino

KY-003 Magnetic Switch Sensor Module A3144 Standard Hall Effect Magnetic Sensor Module for Arduino

$7.14$28.30

55 sold
50% off
1-10PCS AHT25 AHT21 Chip Temperature And Humidity Sensor Replaces AHT10 To Optimize Digital Signal Humidity Sensor For Arduino 1-10PCS AHT25 AHT21 Chip Temperature And Humidity Sensor Replaces AHT10 To Optimize Digital Signal Humidity Sensor For Arduino

1-10PCS AHT25 AHT21 Chip Temperature And Humidity Sensor Replaces AHT10 To Optimize Digital Signal Humidity Sensor For Arduino

$0.99$2.02

208 sold
74% off
KY-008 650nm Laser Transmitter Module with Laser Sensor Module Non-Modulator Tube Laser Receiver Module Kit KY-008 650nm Laser Transmitter Module with Laser Sensor Module Non-Modulator Tube Laser Receiver Module Kit

KY-008 650nm Laser Transmitter Module with Laser Sensor Module Non-Modulator Tube Laser Receiver Module Kit

$7.16$28.17

181 sold
35% off
 HC-SR501 HC-SR505 AM312 Adjust IR Pyroelectric Infrared Mini PIR module Motion Sensor Detector Module Bracket For Arduino  HC-SR501 HC-SR505 AM312 Adjust IR Pyroelectric Infrared Mini PIR module Motion Sensor Detector Module Bracket For Arduino

 HC-SR501 HC-SR505 AM312 Adjust IR Pyroelectric Infrared Mini PIR module Motion Sensor Detector Module Bracket For Arduino

$0.99$1.53

1827 sold
86% off
Tuya Zigbee Human Presence+ PIR Motion Detection Sensor Luminance Detector Battery operated Support Zigbee2mqtt Home Assistant Tuya Zigbee Human Presence+ PIR Motion Detection Sensor Luminance Detector Battery operated Support Zigbee2mqtt Home Assistant

Tuya Zigbee Human Presence+ PIR Motion Detection Sensor Luminance Detector Battery operated Support Zigbee2mqtt Home Assistant

$23.62$169.71

173 sold
73% off
1-10PCS KY-003 A3144 Standard Hall Magnetic Sensor Module Work with Arduino Board Hall Effect Magnetic Sensor Module for Arduino 1-10PCS KY-003 A3144 Standard Hall Magnetic Sensor Module Work with Arduino Board Hall Effect Magnetic Sensor Module for Arduino

1-10PCS KY-003 A3144 Standard Hall Magnetic Sensor Module Work with Arduino Board Hall Effect Magnetic Sensor Module for Arduino

$7.19$27.26

124 sold
50% off
Mini LCD Digital Thermometer Hygrometer Indoor Room Temperature And Humidity Meter Sensor Meter Home Thermometer Mini LCD Digital Thermometer Hygrometer Indoor Room Temperature And Humidity Meter Sensor Meter Home Thermometer

Mini LCD Digital Thermometer Hygrometer Indoor Room Temperature And Humidity Meter Sensor Meter Home Thermometer

$26.48$52.96

2391 sold
80% off
Sound Sensor Module Sound Control Sensor MAX4466 MAX9814 Switch Detection Whistle Switch Microphone Amplifier For Arduino Sound Sensor Module Sound Control Sensor MAX4466 MAX9814 Switch Detection Whistle Switch Microphone Amplifier For Arduino

Sound Sensor Module Sound Control Sensor MAX4466 MAX9814 Switch Detection Whistle Switch Microphone Amplifier For Arduino

$7.22$37.64

827 sold
77% off
Tuya Zigbee Human Presence Detector Smart Human Body PIR Sensor Radar Detector Motion Sensors Support Home Assistant Tuya Zigbee Human Presence Detector Smart Human Body PIR Sensor Radar Detector Motion Sensors Support Home Assistant

Tuya Zigbee Human Presence Detector Smart Human Body PIR Sensor Radar Detector Motion Sensors Support Home Assistant

$59.44$269.58

370 sold
88% off
Ewelink Zigbee 3.0 Mini PIR Motion Sensor Human Motion Infrared Detector Security Alarm Works With Alexa Google Home Zigbee2MQTT Ewelink Zigbee 3.0 Mini PIR Motion Sensor Human Motion Infrared Detector Security Alarm Works With Alexa Google Home Zigbee2MQTT

Ewelink Zigbee 3.0 Mini PIR Motion Sensor Human Motion Infrared Detector Security Alarm Works With Alexa Google Home Zigbee2MQTT

$15.77$136.88

307 sold
66% off
Tuya Smart WiFi Door Window Alarm Sensor Smart Home Open Closed Detectors Wifi Home Alarm Compatible With Alexa Google Home Tuya Smart WiFi Door Window Alarm Sensor Smart Home Open Closed Detectors Wifi Home Alarm Compatible With Alexa Google Home

Tuya Smart WiFi Door Window Alarm Sensor Smart Home Open Closed Detectors Wifi Home Alarm Compatible With Alexa Google Home

$43.97$131.41

31 sold
61% off
New Oxygen Sensor Extender 90 Degree Mini Catalyst Lambda O2 Adapter CEL Fix, M18*1.5 Universal Free Shipping Sensor Spacer New Oxygen Sensor Extender 90 Degree Mini Catalyst Lambda O2 Adapter CEL Fix, M18*1.5 Universal Free Shipping Sensor Spacer

New Oxygen Sensor Extender 90 Degree Mini Catalyst Lambda O2 Adapter CEL Fix, M18*1.5 Universal Free Shipping Sensor Spacer

$65.11$167.01

153 sold
46% off
Tuya Smart Temperature And Humidity Sensor WiFi/Zigbee With Backlight Indoor Hygrometer Voice Control Via Alexa Google Home Tuya Smart Temperature And Humidity Sensor WiFi/Zigbee With Backlight Indoor Hygrometer Voice Control Via Alexa Google Home

Tuya Smart Temperature And Humidity Sensor WiFi/Zigbee With Backlight Indoor Hygrometer Voice Control Via Alexa Google Home

$33.70$62.69

1625 sold
93% off
Tuya Zigbee Temperature Humidity Sensor For Smart Home LCD Screen Works With Alexa Google Home APP Smart Life Tuya Smart Yandex Tuya Zigbee Temperature Humidity Sensor For Smart Home LCD Screen Works With Alexa Google Home APP Smart Life Tuya Smart Yandex

Tuya Zigbee Temperature Humidity Sensor For Smart Home LCD Screen Works With Alexa Google Home APP Smart Life Tuya Smart Yandex

$9.48$147.44

1839 sold
56% off
MAX30102 Heart Rate Blood Oxygen Sensor Pulse Heartbeat Oxygen Concentration Sensor for Arduino Replace MAX30100 MAX30102 Heart Rate Blood Oxygen Sensor Pulse Heartbeat Oxygen Concentration Sensor for Arduino Replace MAX30100

MAX30102 Heart Rate Blood Oxygen Sensor Pulse Heartbeat Oxygen Concentration Sensor for Arduino Replace MAX30100

$0.99$2.29

29 sold
21% off
GTRIC Diffuse Reflection Laser Photoelectric Sensor M12 Series 10-30V NPN PNP Visible Spot 2mm Sensing Distance 15CM Adjustable GTRIC Diffuse Reflection Laser Photoelectric Sensor M12 Series 10-30V NPN PNP Visible Spot 2mm Sensing Distance 15CM Adjustable

GTRIC Diffuse Reflection Laser Photoelectric Sensor M12 Series 10-30V NPN PNP Visible Spot 2mm Sensing Distance 15CM Adjustable

$77.43$99.17

28 sold
72% off
1/5/10PCS Hall Sensors Module 3144E 4pin Hall Switch Speed Magnetic Swiches Speed Counting Sensor Module For Arduino Smart Car 1/5/10PCS Hall Sensors Module 3144E 4pin Hall Switch Speed Magnetic Swiches Speed Counting Sensor Module For Arduino Smart Car

1/5/10PCS Hall Sensors Module 3144E 4pin Hall Switch Speed Magnetic Swiches Speed Counting Sensor Module For Arduino Smart Car

$7.20$26.60

118 sold
77% off
DC 5V/12V/24V USB PIR Motion Sensor Switch Body Infrared Intelligent Sensing Detector Switch for LED Strip Light Automatic DC 5V/12V/24V USB PIR Motion Sensor Switch Body Infrared Intelligent Sensing Detector Switch for LED Strip Light Automatic

DC 5V/12V/24V USB PIR Motion Sensor Switch Body Infrared Intelligent Sensing Detector Switch for LED Strip Light Automatic

$17.08 $75.03

212 sold

Categories: Security & Protection, Security Alarm

Buy Now
35% off
DS18B20 Temperature Sensor Module Kit Waterproof 100CM Digital Sensor Cable Stainless Steel Probe Terminal Adapter For Arduino DS18B20 Temperature Sensor Module Kit Waterproof 100CM Digital Sensor Cable Stainless Steel Probe Terminal Adapter For Arduino

DS18B20 Temperature Sensor Module Kit Waterproof 100CM Digital Sensor Cable Stainless Steel Probe Terminal Adapter For Arduino

$18.19 $27.99

87 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
1-20PCS KY-003 A3144 Standard Hall Magnetic Sensor Module Work with Arduino Board Hall Effect Magnetic Sensor Module for Arduino 1-20PCS KY-003 A3144 Standard Hall Magnetic Sensor Module Work with Arduino Board Hall Effect Magnetic Sensor Module for Arduino

1-20PCS KY-003 A3144 Standard Hall Magnetic Sensor Module Work with Arduino Board Hall Effect Magnetic Sensor Module for Arduino

$11.85 $11.85

39 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
27% off
Tuya Human Presence Detector Millimeter Wave WiFi /Zigbee MmWave Smart Human Body PIR Sensor Radar Work With Tuya Hub Tuya Human Presence Detector Millimeter Wave WiFi /Zigbee MmWave Smart Human Body PIR Sensor Radar Work With Tuya Hub

Tuya Human Presence Detector Millimeter Wave WiFi /Zigbee MmWave Smart Human Body PIR Sensor Radar Work With Tuya Hub

$8.00 $11.00

24 sold

Categories: Security & Protection, Building Automation

Buy Now
79% off
INA226 CJMCU-226 IIC I2C Interface Bi-Directional Current/Power Monitoring Sensor Module For Arduino INA226 CJMCU-226 IIC I2C Interface Bi-Directional Current/Power Monitoring Sensor Module For Arduino

INA226 CJMCU-226 IIC I2C Interface Bi-Directional Current/Power Monitoring Sensor Module For Arduino

$7.21 $35.60

408 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
47% off
KY-008 650nm Laser Transmitter Module with Laser Sensor Module Non-Modulator Tube Laser Receiver Module Kit for Arduino KY-008 650nm Laser Transmitter Module with Laser Sensor Module Non-Modulator Tube Laser Receiver Module Kit for Arduino

KY-008 650nm Laser Transmitter Module with Laser Sensor Module Non-Modulator Tube Laser Receiver Module Kit for Arduino

$7.20 $13.70

7 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
75% off
Raspberry pi 2 3 the sensor module package HC-SR04 501 DHT11 DS3231 KY-008 Sound Rain Soil sensor for arduino kit Raspberry pi 2 3 the sensor module package HC-SR04 501 DHT11 DS3231 KY-008 Sound Rain Soil sensor for arduino kit

Raspberry pi 2 3 the sensor module package HC-SR04 501 DHT11 DS3231 KY-008 Sound Rain Soil sensor for arduino kit

$7.20 $29.02

20 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
51% off
1pcs GY-291 ADXL345 3-Axis Digital Gravity Sensor Acceleration Module IIC/SPI Transmission 1pcs GY-291 ADXL345 3-Axis Digital Gravity Sensor Acceleration Module IIC/SPI Transmission

1pcs GY-291 ADXL345 3-Axis Digital Gravity Sensor Acceleration Module IIC/SPI Transmission

$0.99 $2.03

798 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
53% off
RPI-1031 Angle Sensor 4DOF Attitude HM Module 4 Direction For Arduino RPI-1031 Angle Sensor 4DOF Attitude HM Module 4 Direction For Arduino

RPI-1031 Angle Sensor 4DOF Attitude HM Module 4 Direction For Arduino

$0.99 $2.12

25 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
85% off
MOES Tuya WiFi/ZigBee Smart PIR Sensor Human Body Infrared Motion Detector Home Security Scene Linkage Automation Battery Power MOES Tuya WiFi/ZigBee Smart PIR Sensor Human Body Infrared Motion Detector Home Security Scene Linkage Automation Battery Power

MOES Tuya WiFi/ZigBee Smart PIR Sensor Human Body Infrared Motion Detector Home Security Scene Linkage Automation Battery Power

$24.42 $163.28

305 sold

Categories: Security & Protection, Building Automation

Buy Now
54% off
20/50/100PCS/LOT NEW TTP223 Touch Button Module Capacitor Type Single Channel Self Locking Touch Switch Sensor for Arduino 20/50/100PCS/LOT NEW TTP223 Touch Button Module Capacitor Type Single Channel Self Locking Touch Switch Sensor for Arduino

20/50/100PCS/LOT NEW TTP223 Touch Button Module Capacitor Type Single Channel Self Locking Touch Switch Sensor for Arduino

$7.19 $15.74

1152 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
47% off
Tuya ZigBee Light Sensor Luminance Sensor Illumination Brightness Detector Home Automation with Smart Life Device Linkage Tuya Tuya ZigBee Light Sensor Luminance Sensor Illumination Brightness Detector Home Automation with Smart Life Device Linkage Tuya

Tuya ZigBee Light Sensor Luminance Sensor Illumination Brightness Detector Home Automation with Smart Life Device Linkage Tuya

$23.91 $45.65

463 sold

Categories: Security & Protection, Building Automation

Buy Now
93% off
Tuya Smart Wireless Temperature Humidity Sensor Mini Bluetooth-Compatible APP Remote Control Thermometer Hygrometer 2PACK Tuya Smart Wireless Temperature Humidity Sensor Mini Bluetooth-Compatible APP Remote Control Thermometer Hygrometer 2PACK

Tuya Smart Wireless Temperature Humidity Sensor Mini Bluetooth-Compatible APP Remote Control Thermometer Hygrometer 2PACK

$9.38 $138.68

110 sold

Categories: Security & Protection, Building Automation

Buy Now
5/10/50PCS BF350-3AA BF350 Precision resistive strain gauge / strain gauge / for the pressure sensor / load cell For Arduino 5/10/50PCS BF350-3AA BF350 Precision resistive strain gauge / strain gauge / for the pressure sensor / load cell For Arduino

5/10/50PCS BF350-3AA BF350 Precision resistive strain gauge / strain gauge / for the pressure sensor / load cell For Arduino

$2.01 $2.01

107 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
78% off
Tuya Wifi Sound&Light Alarm PIR Motion Sensor 130DB Human Infrared Detector Security Smart Life Works With Alexa Google Home Tuya Wifi Sound&Light Alarm PIR Motion Sensor 130DB Human Infrared Detector Security Smart Life Works With Alexa Google Home

Tuya Wifi Sound&Light Alarm PIR Motion Sensor 130DB Human Infrared Detector Security Smart Life Works With Alexa Google Home

$37.15 $173.88

45 sold

Categories: Security & Protection, Building Automation

Buy Now
45% off
1-10Pcs TCRT5000 3Pin Tracking Module IR Infrared Sensor Module IR Infrared Line Reflection Track Follower Sensor For Arduino 1-10Pcs TCRT5000 3Pin Tracking Module IR Infrared Sensor Module IR Infrared Line Reflection Track Follower Sensor For Arduino

1-10Pcs TCRT5000 3Pin Tracking Module IR Infrared Sensor Module IR Infrared Line Reflection Track Follower Sensor For Arduino

$7.21 $13.22

17 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
81% off
Ewelink Zigbee Door Sensor Wireless Magnetic Window Open Closed Alarm Detector Works With Zigbee2MQTT Alexa Google Need Gateway Ewelink Zigbee Door Sensor Wireless Magnetic Window Open Closed Alarm Detector Works With Zigbee2MQTT Alexa Google Need Gateway

Ewelink Zigbee Door Sensor Wireless Magnetic Window Open Closed Alarm Detector Works With Zigbee2MQTT Alexa Google Need Gateway

$23.49 $128.41

45 sold

Categories: Security & Protection, Building Automation

Buy Now
94% off
Tuya WiFi Zigbee PIR Motion Sensor Smart Home Human Body Infrared Detector Security Smart Life Works With Alexa Google Home Tuya WiFi Zigbee PIR Motion Sensor Smart Home Human Body Infrared Detector Security Smart Life Works With Alexa Google Home

Tuya WiFi Zigbee PIR Motion Sensor Smart Home Human Body Infrared Detector Security Smart Life Works With Alexa Google Home

$8.21 $143.35

5801 sold

Categories: Security & Protection, Building Automation

Buy Now
71% off
MT6816 high-speed and high-precision magnetic encoder magnetic induction angle measurement sensor module MT6816 high-speed and high-precision magnetic encoder magnetic induction angle measurement sensor module

MT6816 high-speed and high-precision magnetic encoder magnetic induction angle measurement sensor module

$0.99 $3.43

56 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
74% off
KY-003 Magnetic Switch Sensor Module A3144 Standard Hall Effect Magnetic Sensor Module for Arduino KY-003 Magnetic Switch Sensor Module A3144 Standard Hall Effect Magnetic Sensor Module for Arduino

KY-003 Magnetic Switch Sensor Module A3144 Standard Hall Effect Magnetic Sensor Module for Arduino

$7.14 $28.30

55 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
50% off
1-10PCS AHT25 AHT21 Chip Temperature And Humidity Sensor Replaces AHT10 To Optimize Digital Signal Humidity Sensor For Arduino 1-10PCS AHT25 AHT21 Chip Temperature And Humidity Sensor Replaces AHT10 To Optimize Digital Signal Humidity Sensor For Arduino

1-10PCS AHT25 AHT21 Chip Temperature And Humidity Sensor Replaces AHT10 To Optimize Digital Signal Humidity Sensor For Arduino

$0.99 $2.02

208 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
74% off
KY-008 650nm Laser Transmitter Module with Laser Sensor Module Non-Modulator Tube Laser Receiver Module Kit KY-008 650nm Laser Transmitter Module with Laser Sensor Module Non-Modulator Tube Laser Receiver Module Kit

KY-008 650nm Laser Transmitter Module with Laser Sensor Module Non-Modulator Tube Laser Receiver Module Kit

$7.16 $28.17

181 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
35% off
 HC-SR501 HC-SR505 AM312 Adjust IR Pyroelectric Infrared Mini PIR module Motion Sensor Detector Module Bracket For Arduino  HC-SR501 HC-SR505 AM312 Adjust IR Pyroelectric Infrared Mini PIR module Motion Sensor Detector Module Bracket For Arduino

 HC-SR501 HC-SR505 AM312 Adjust IR Pyroelectric Infrared Mini PIR module Motion Sensor Detector Module Bracket For Arduino

$0.99 $1.53

1827 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
86% off
Tuya Zigbee Human Presence+ PIR Motion Detection Sensor Luminance Detector Battery operated Support Zigbee2mqtt Home Assistant Tuya Zigbee Human Presence+ PIR Motion Detection Sensor Luminance Detector Battery operated Support Zigbee2mqtt Home Assistant

Tuya Zigbee Human Presence+ PIR Motion Detection Sensor Luminance Detector Battery operated Support Zigbee2mqtt Home Assistant

$23.62 $169.71

173 sold

Categories: Security & Protection, Building Automation

Buy Now
73% off
1-10PCS KY-003 A3144 Standard Hall Magnetic Sensor Module Work with Arduino Board Hall Effect Magnetic Sensor Module for Arduino 1-10PCS KY-003 A3144 Standard Hall Magnetic Sensor Module Work with Arduino Board Hall Effect Magnetic Sensor Module for Arduino

1-10PCS KY-003 A3144 Standard Hall Magnetic Sensor Module Work with Arduino Board Hall Effect Magnetic Sensor Module for Arduino

$7.19 $27.26

124 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
50% off
Mini LCD Digital Thermometer Hygrometer Indoor Room Temperature And Humidity Meter Sensor Meter Home Thermometer Mini LCD Digital Thermometer Hygrometer Indoor Room Temperature And Humidity Meter Sensor Meter Home Thermometer

Mini LCD Digital Thermometer Hygrometer Indoor Room Temperature And Humidity Meter Sensor Meter Home Thermometer

$26.48 $52.96

2391 sold

Categories: Security & Protection, Building Automation

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80% off
Sound Sensor Module Sound Control Sensor MAX4466 MAX9814 Switch Detection Whistle Switch Microphone Amplifier For Arduino Sound Sensor Module Sound Control Sensor MAX4466 MAX9814 Switch Detection Whistle Switch Microphone Amplifier For Arduino

Sound Sensor Module Sound Control Sensor MAX4466 MAX9814 Switch Detection Whistle Switch Microphone Amplifier For Arduino

$7.22 $37.64

827 sold

Categories: Electronic Components & Supplies, Active Components

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77% off
Tuya Zigbee Human Presence Detector Smart Human Body PIR Sensor Radar Detector Motion Sensors Support Home Assistant Tuya Zigbee Human Presence Detector Smart Human Body PIR Sensor Radar Detector Motion Sensors Support Home Assistant

Tuya Zigbee Human Presence Detector Smart Human Body PIR Sensor Radar Detector Motion Sensors Support Home Assistant

$59.44 $269.58

370 sold

Categories: Security & Protection, Building Automation

Buy Now
88% off
Ewelink Zigbee 3.0 Mini PIR Motion Sensor Human Motion Infrared Detector Security Alarm Works With Alexa Google Home Zigbee2MQTT Ewelink Zigbee 3.0 Mini PIR Motion Sensor Human Motion Infrared Detector Security Alarm Works With Alexa Google Home Zigbee2MQTT

Ewelink Zigbee 3.0 Mini PIR Motion Sensor Human Motion Infrared Detector Security Alarm Works With Alexa Google Home Zigbee2MQTT

$15.77 $136.88

307 sold

Categories: Security & Protection, Building Automation

Buy Now
66% off
Tuya Smart WiFi Door Window Alarm Sensor Smart Home Open Closed Detectors Wifi Home Alarm Compatible With Alexa Google Home Tuya Smart WiFi Door Window Alarm Sensor Smart Home Open Closed Detectors Wifi Home Alarm Compatible With Alexa Google Home

Tuya Smart WiFi Door Window Alarm Sensor Smart Home Open Closed Detectors Wifi Home Alarm Compatible With Alexa Google Home

$43.97 $131.41

31 sold

Categories: Security & Protection, Security Alarm

Buy Now
61% off
New Oxygen Sensor Extender 90 Degree Mini Catalyst Lambda O2 Adapter CEL Fix, M18*1.5 Universal Free Shipping Sensor Spacer New Oxygen Sensor Extender 90 Degree Mini Catalyst Lambda O2 Adapter CEL Fix, M18*1.5 Universal Free Shipping Sensor Spacer

New Oxygen Sensor Extender 90 Degree Mini Catalyst Lambda O2 Adapter CEL Fix, M18*1.5 Universal Free Shipping Sensor Spacer

$65.11 $167.01

153 sold

Categories: Automobiles, Parts & Accessories, Automotive Sensors

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46% off
Tuya Smart Temperature And Humidity Sensor WiFi/Zigbee With Backlight Indoor Hygrometer Voice Control Via Alexa Google Home Tuya Smart Temperature And Humidity Sensor WiFi/Zigbee With Backlight Indoor Hygrometer Voice Control Via Alexa Google Home

Tuya Smart Temperature And Humidity Sensor WiFi/Zigbee With Backlight Indoor Hygrometer Voice Control Via Alexa Google Home

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