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64% off
XH-M131 DC 5V/12V/24V Light Control Switch Photoresistor Relay Module Detection Sensor Brightness Automatic Control Module XH-M131 DC 5V/12V/24V Light Control Switch Photoresistor Relay Module Detection Sensor Brightness Automatic Control Module

XH-M131 DC 5V/12V/24V Light Control Switch Photoresistor Relay Module Detection Sensor Brightness Automatic Control Module

$25.02$70.82

138 sold
52% off
MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter

MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter

$21.60$44.99

166 sold
66% off
Starter Kit for Arduino Uno R3 Breadboard Basic simple learning kit, sound/water level/humidity/distance detection, LED control Starter Kit for Arduino Uno R3 Breadboard Basic simple learning kit, sound/water level/humidity/distance detection, LED control

Starter Kit for Arduino Uno R3 Breadboard Basic simple learning kit, sound/water level/humidity/distance detection, LED control

$75.39$221.74

118 sold
50% off
Liquid PH 0-14 Value Detection Regulator Sensor Module Monitoring Control Meter Tester + BNC PH Electrode Probe For Arduino Liquid PH 0-14 Value Detection Regulator Sensor Module Monitoring Control Meter Tester + BNC PH Electrode Probe For Arduino

Liquid PH 0-14 Value Detection Regulator Sensor Module Monitoring Control Meter Tester + BNC PH Electrode Probe For Arduino

$55.38$110.77

144 sold
51% off
Photosensitive Sensor Module 5516 Photoresistor Sensor LDR Light Detection 3Pin 3.3V-5V for Arduino DIY Adjustable Robot Photosensitive Sensor Module 5516 Photoresistor Sensor LDR Light Detection 3Pin 3.3V-5V for Arduino DIY Adjustable Robot

Photosensitive Sensor Module 5516 Photoresistor Sensor LDR Light Detection 3Pin 3.3V-5V for Arduino DIY Adjustable Robot

$23.60$48.16

119 sold
25% off
Conductivity Sensor Module Detection Water Quality for Arduino 51/STM32 to Assess Water Quality Conductivity Sensor Module Detection Water Quality for Arduino 51/STM32 to Assess Water Quality

Conductivity Sensor Module Detection Water Quality for Arduino 51/STM32 to Assess Water Quality

$19.93$26.57

106 sold
50% off
DC3-12V Data Cable Detection Board Type-C USB Micro A B Cable Tester Short Circuit On-Off Switching For iOS Android Test Board DC3-12V Data Cable Detection Board Type-C USB Micro A B Cable Tester Short Circuit On-Off Switching For iOS Android Test Board

DC3-12V Data Cable Detection Board Type-C USB Micro A B Cable Tester Short Circuit On-Off Switching For iOS Android Test Board

$61.32$122.65

152 sold
35% off
Smart Car Robot E18-D80NK Infrared Obstacle Avoidance Photoelectric Sensor Proximity Switch 3-80cm Detection Range Adjustable Smart Car Robot E18-D80NK Infrared Obstacle Avoidance Photoelectric Sensor Proximity Switch 3-80cm Detection Range Adjustable

Smart Car Robot E18-D80NK Infrared Obstacle Avoidance Photoelectric Sensor Proximity Switch 3-80cm Detection Range Adjustable

$31.95$49.16

163 sold
38% off
D9 PM2.5 Laser Dust Particle Sensor Module Detects PM Indoor Gas Air Quality Detection For Purifier D9 PM2.5 Laser Dust Particle Sensor Module Detects PM Indoor Gas Air Quality Detection For Purifier

D9 PM2.5 Laser Dust Particle Sensor Module Detects PM Indoor Gas Air Quality Detection For Purifier

$96.35$155.40

156 sold
52% off
water pumping kit for R3 Development edition Board Automatic irrigation module DIY kit soil moisture detection automatic water pumping kit for R3 Development edition Board Automatic irrigation module DIY kit soil moisture detection automatic

water pumping kit for R3 Development edition Board Automatic irrigation module DIY kit soil moisture detection automatic

$48.49$101.02

128 sold
50% off
8 Channel IR Tracking Sensor Module 8 CH Infrared Line Track Trace Detect Detection Board DIY Detector for Arduino Smart Car 8 Channel IR Tracking Sensor Module 8 CH Infrared Line Track Trace Detect Detection Board DIY Detector for Arduino Smart Car

8 Channel IR Tracking Sensor Module 8 CH Infrared Line Track Trace Detect Detection Board DIY Detector for Arduino Smart Car

$26.07$52.14

136 sold
1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module 1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module

1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module

$13.48$13.48

115 sold
3% off
SCD40 SCD41 Gas sensor module detects CO2 carbon dioxide temperature and humidity two-in-one I2C communication SCD40 SCD41 Gas sensor module detects CO2 carbon dioxide temperature and humidity two-in-one I2C communication

SCD40 SCD41 Gas sensor module detects CO2 carbon dioxide temperature and humidity two-in-one I2C communication

$75.93$78.28

102 sold
54% off
Estardyn SCD40 SCD41 CO2 Gas Sensor Module 2.4-5.5V Detects Temperature & Humidity I2C for Air Quality Estardyn SCD40 SCD41 CO2 Gas Sensor Module 2.4-5.5V Detects Temperature & Humidity I2C for Air Quality

Estardyn SCD40 SCD41 CO2 Gas Sensor Module 2.4-5.5V Detects Temperature & Humidity I2C for Air Quality

$126.13$274.19

105 sold
51% off
1/3 PCS Capacitive Soil Moisture Sensor Corrosion Resistant for R3 Board Moisture Detection Garden Watering DIY 1/3 PCS Capacitive Soil Moisture Sensor Corrosion Resistant for R3 Board Moisture Detection Garden Watering DIY

1/3 PCS Capacitive Soil Moisture Sensor Corrosion Resistant for R3 Board Moisture Detection Garden Watering DIY

$25.08$51.19

130 sold
52% off
。New Non Contact Water Level Sensor Capacitive Liquid Level Sensor Liquid Detection Switch Controller Water Level Detector Tool 。New Non Contact Water Level Sensor Capacitive Liquid Level Sensor Liquid Detection Switch Controller Water Level Detector Tool

。New Non Contact Water Level Sensor Capacitive Liquid Level Sensor Liquid Detection Switch Controller Water Level Detector Tool

$32.70$68.12

121 sold
XKC-Y26 Non-contact Liquid Level Sensor External-attached Pipeline Water Level Sensor Liquid Sensor Liquid Detection Switch XKC-Y26 Non-contact Liquid Level Sensor External-attached Pipeline Water Level Sensor Liquid Sensor Liquid Detection Switch

XKC-Y26 Non-contact Liquid Level Sensor External-attached Pipeline Water Level Sensor Liquid Sensor Liquid Detection Switch

$51.00$51.00

102 sold
27% off
20pcs/5pcs 24Ghz Human Presence Sensor HLK-LD2410C LD2410C Millimeter Wave Radar Module Non-contact Heartbeat Motion Detection 20pcs/5pcs 24Ghz Human Presence Sensor HLK-LD2410C LD2410C Millimeter Wave Radar Module Non-contact Heartbeat Motion Detection

20pcs/5pcs 24Ghz Human Presence Sensor HLK-LD2410C LD2410C Millimeter Wave Radar Module Non-contact Heartbeat Motion Detection

$4.44$6.08

153 sold
MQ-7 module Carbon monoxide gas sensor detection alarm MQ7 sensor moduler MQ-7 module Carbon monoxide gas sensor detection alarm MQ7 sensor moduler

MQ-7 module Carbon monoxide gas sensor detection alarm MQ7 sensor moduler

$12.54$12.54

100 sold
68% off
SCD40 SCD41 gas sensor module detects CO2 carbon dioxide temperature and humidity in one sensor I2C communication SCD40 SCD41 gas sensor module detects CO2 carbon dioxide temperature and humidity in one sensor I2C communication

SCD40 SCD41 gas sensor module detects CO2 carbon dioxide temperature and humidity in one sensor I2C communication

$108.35$338.60

105 sold
9% off
1PCS Gas Sensor MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 Detection Smoke methane liquefied Gas Sensor Module 1PCS Gas Sensor MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 Detection Smoke methane liquefied Gas Sensor Module

1PCS Gas Sensor MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 Detection Smoke methane liquefied Gas Sensor Module

$1.19$1.31

105 sold
25% off
XY-MD02 Temperature and Humidity Transmitter Detection Sensor Module Modbus SHT40 Temperature Sensor RS485 Signal Analog XY-MD02 Temperature and Humidity Transmitter Detection Sensor Module Modbus SHT40 Temperature Sensor RS485 Signal Analog

XY-MD02 Temperature and Humidity Transmitter Detection Sensor Module Modbus SHT40 Temperature Sensor RS485 Signal Analog

$5.17$6.90

116 sold
52% off
Electronic Water Pumping Kit for R3 Board Automatic irrigation module DIY Kit soil moisture detection automatic water pump Electronic Water Pumping Kit for R3 Board Automatic irrigation module DIY Kit soil moisture detection automatic water pump

Electronic Water Pumping Kit for R3 Board Automatic irrigation module DIY Kit soil moisture detection automatic water pump

$62.50$130.21

110 sold
32% off
MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter DIY Kit MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter DIY Kit

MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter DIY Kit

$25.77$38.18

134 sold
Sound Detection Sensor Module Sound Sensors VOS Module Voice Operated Switch Microphone Module For Arduino Switches Smart Home Sound Detection Sensor Module Sound Sensors VOS Module Voice Operated Switch Microphone Module For Arduino Switches Smart Home

Sound Detection Sensor Module Sound Sensors VOS Module Voice Operated Switch Microphone Module For Arduino Switches Smart Home

$1.63$1.63

137 sold
HLK-LD2410B Human Presence Sensor Module BT FMCW 24GHz Smart Millimeter Wave Radar Sensing Heartbeat Detection Sensors HLK-LD2410B Human Presence Sensor Module BT FMCW 24GHz Smart Millimeter Wave Radar Sensing Heartbeat Detection Sensors

HLK-LD2410B Human Presence Sensor Module BT FMCW 24GHz Smart Millimeter Wave Radar Sensing Heartbeat Detection Sensors

$4.11$4.11

96 sold
20% off
GTRIC M5 Series Small Mini Inductive Proximity Switch Sensing Distance 1mm NPN PNP NO/NC DC 10-30V 3-wire Miniature Metal Detect GTRIC M5 Series Small Mini Inductive Proximity Switch Sensing Distance 1mm NPN PNP NO/NC DC 10-30V 3-wire Miniature Metal Detect

GTRIC M5 Series Small Mini Inductive Proximity Switch Sensing Distance 1mm NPN PNP NO/NC DC 10-30V 3-wire Miniature Metal Detect

$70.45$88.06

98 sold
LD2410C 24GHz Human Presence Sensor High Accuracy FMCW Wave Radar Induction Module Body Heartbeat Detection Sensors LD2410C 24GHz Human Presence Sensor High Accuracy FMCW Wave Radar Induction Module Body Heartbeat Detection Sensors

LD2410C 24GHz Human Presence Sensor High Accuracy FMCW Wave Radar Induction Module Body Heartbeat Detection Sensors

$3.75$3.75

108 sold
50% off
BS Smart Electronics Soil Moisture Hygrometer! Detection Humidity Sensor Module for Arduino, DIY Robot & Smart Car BS Smart Electronics Soil Moisture Hygrometer! Detection Humidity Sensor Module for Arduino, DIY Robot & Smart Car

BS Smart Electronics Soil Moisture Hygrometer! Detection Humidity Sensor Module for Arduino, DIY Robot & Smart Car

$20.57$41.14

120 sold
35% off
Snow Raindrops Detection Sensor Module Rain Weather Module Humidity For Arduino Robot Car Diy Kit 5V/12V Relay Control Module Snow Raindrops Detection Sensor Module Rain Weather Module Humidity For Arduino Robot Car Diy Kit 5V/12V Relay Control Module

Snow Raindrops Detection Sensor Module Rain Weather Module Humidity For Arduino Robot Car Diy Kit 5V/12V Relay Control Module

$22.25$34.25

150 sold
27% off
10pcs/1pc HLK-LD2410B LD2410 LD2410D High Sensitivity 24G Human Presence Statu Radar Heartbeat Detection Sensor Module LD2410B-P 10pcs/1pc HLK-LD2410B LD2410 LD2410D High Sensitivity 24G Human Presence Statu Radar Heartbeat Detection Sensor Module LD2410B-P

10pcs/1pc HLK-LD2410B LD2410 LD2410D High Sensitivity 24G Human Presence Statu Radar Heartbeat Detection Sensor Module LD2410B-P

$0.66$0.90

95 sold
25% off
10pcs/1pc Mini Closet PIR Sensor Detector Smart Switch 110V 220V LED PIR Infrared Motion Sensor Detection Automatic Sensor Light 10pcs/1pc Mini Closet PIR Sensor Detector Smart Switch 110V 220V LED PIR Infrared Motion Sensor Detection Automatic Sensor Light

10pcs/1pc Mini Closet PIR Sensor Detector Smart Switch 110V 220V LED PIR Infrared Motion Sensor Detection Automatic Sensor Light

$1.38$1.84

139 sold
XKC-Y26A Non-contact Water Capacitive Liquid Level Detection Sensor for 4-11mm Small Pipes XKC-Y26A Non-contact Water Capacitive Liquid Level Detection Sensor for 4-11mm Small Pipes

XKC-Y26A Non-contact Water Capacitive Liquid Level Detection Sensor for 4-11mm Small Pipes

$6.68$6.68

146 sold
DC5V 12V 24V XKC Y25 Water Level Sensor Non Contact Liquid Level Sensor Liquid Detection Switch Controller Water Level Detector DC5V 12V 24V XKC Y25 Water Level Sensor Non Contact Liquid Level Sensor Liquid Detection Switch Controller Water Level Detector

DC5V 12V 24V XKC Y25 Water Level Sensor Non Contact Liquid Level Sensor Liquid Detection Switch Controller Water Level Detector

$5.74$5.74

114 sold
50% off
Human Presence Sensor Module 24GHz Smart Millimeter Wave Radar Sensing Heartbeat Detection Module with BT HLK-LD2410B Human Presence Sensor Module 24GHz Smart Millimeter Wave Radar Sensing Heartbeat Detection Module with BT HLK-LD2410B

Human Presence Sensor Module 24GHz Smart Millimeter Wave Radar Sensing Heartbeat Detection Module with BT HLK-LD2410B

$38.24$76.49

117 sold
7% off
SCR BTA16 16A Triac AC Switch Module, Zero-Crossing Detection, Dimmable, 3.3V-5V Logic Compatible SCR BTA16 16A Triac AC Switch Module, Zero-Crossing Detection, Dimmable, 3.3V-5V Logic Compatible

SCR BTA16 16A Triac AC Switch Module, Zero-Crossing Detection, Dimmable, 3.3V-5V Logic Compatible

$21.07$22.66

102 sold
64% off
XH-M131 DC 5V/12V/24V Light Control Switch Photoresistor Relay Module Detection Sensor Brightness Automatic Control Module XH-M131 DC 5V/12V/24V Light Control Switch Photoresistor Relay Module Detection Sensor Brightness Automatic Control Module

XH-M131 DC 5V/12V/24V Light Control Switch Photoresistor Relay Module Detection Sensor Brightness Automatic Control Module

$25.02 $70.82

138 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
52% off
MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter

MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter

$21.60 $44.99

166 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
66% off
Starter Kit for Arduino Uno R3 Breadboard Basic simple learning kit, sound/water level/humidity/distance detection, LED control Starter Kit for Arduino Uno R3 Breadboard Basic simple learning kit, sound/water level/humidity/distance detection, LED control

Starter Kit for Arduino Uno R3 Breadboard Basic simple learning kit, sound/water level/humidity/distance detection, LED control

$75.39 $221.74

118 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
50% off
Liquid PH 0-14 Value Detection Regulator Sensor Module Monitoring Control Meter Tester + BNC PH Electrode Probe For Arduino Liquid PH 0-14 Value Detection Regulator Sensor Module Monitoring Control Meter Tester + BNC PH Electrode Probe For Arduino

Liquid PH 0-14 Value Detection Regulator Sensor Module Monitoring Control Meter Tester + BNC PH Electrode Probe For Arduino

$55.38 $110.77

144 sold

Categories: Electronic Components & Supplies, Active Components

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51% off
Photosensitive Sensor Module 5516 Photoresistor Sensor LDR Light Detection 3Pin 3.3V-5V for Arduino DIY Adjustable Robot Photosensitive Sensor Module 5516 Photoresistor Sensor LDR Light Detection 3Pin 3.3V-5V for Arduino DIY Adjustable Robot

Photosensitive Sensor Module 5516 Photoresistor Sensor LDR Light Detection 3Pin 3.3V-5V for Arduino DIY Adjustable Robot

$23.60 $48.16

119 sold

Categories: Electronic Components & Supplies, Active Components

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25% off
Conductivity Sensor Module Detection Water Quality for Arduino 51/STM32 to Assess Water Quality Conductivity Sensor Module Detection Water Quality for Arduino 51/STM32 to Assess Water Quality

Conductivity Sensor Module Detection Water Quality for Arduino 51/STM32 to Assess Water Quality

$19.93 $26.57

106 sold

Categories: Electronic Components & Supplies, Active Components

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50% off
DC3-12V Data Cable Detection Board Type-C USB Micro A B Cable Tester Short Circuit On-Off Switching For iOS Android Test Board DC3-12V Data Cable Detection Board Type-C USB Micro A B Cable Tester Short Circuit On-Off Switching For iOS Android Test Board

DC3-12V Data Cable Detection Board Type-C USB Micro A B Cable Tester Short Circuit On-Off Switching For iOS Android Test Board

$61.32 $122.65

152 sold

Categories: Electronic Components & Supplies, Active Components

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35% off
Smart Car Robot E18-D80NK Infrared Obstacle Avoidance Photoelectric Sensor Proximity Switch 3-80cm Detection Range Adjustable Smart Car Robot E18-D80NK Infrared Obstacle Avoidance Photoelectric Sensor Proximity Switch 3-80cm Detection Range Adjustable

Smart Car Robot E18-D80NK Infrared Obstacle Avoidance Photoelectric Sensor Proximity Switch 3-80cm Detection Range Adjustable

$31.95 $49.16

163 sold

Categories: Electronic Components & Supplies, Active Components

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38% off
D9 PM2.5 Laser Dust Particle Sensor Module Detects PM Indoor Gas Air Quality Detection For Purifier D9 PM2.5 Laser Dust Particle Sensor Module Detects PM Indoor Gas Air Quality Detection For Purifier

D9 PM2.5 Laser Dust Particle Sensor Module Detects PM Indoor Gas Air Quality Detection For Purifier

$96.35 $155.40

156 sold

Categories: Electronic Components & Supplies, Active Components

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52% off
water pumping kit for R3 Development edition Board Automatic irrigation module DIY kit soil moisture detection automatic water pumping kit for R3 Development edition Board Automatic irrigation module DIY kit soil moisture detection automatic

water pumping kit for R3 Development edition Board Automatic irrigation module DIY kit soil moisture detection automatic

$48.49 $101.02

128 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
50% off
8 Channel IR Tracking Sensor Module 8 CH Infrared Line Track Trace Detect Detection Board DIY Detector for Arduino Smart Car 8 Channel IR Tracking Sensor Module 8 CH Infrared Line Track Trace Detect Detection Board DIY Detector for Arduino Smart Car

8 Channel IR Tracking Sensor Module 8 CH Infrared Line Track Trace Detect Detection Board DIY Detector for Arduino Smart Car

$26.07 $52.14

136 sold

Categories: Electronic Components & Supplies, Active Components

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1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module 1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module

1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module

$13.48 $13.48

115 sold

Categories: Electronic Components & Supplies, Active Components

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3% off
SCD40 SCD41 Gas sensor module detects CO2 carbon dioxide temperature and humidity two-in-one I2C communication SCD40 SCD41 Gas sensor module detects CO2 carbon dioxide temperature and humidity two-in-one I2C communication

SCD40 SCD41 Gas sensor module detects CO2 carbon dioxide temperature and humidity two-in-one I2C communication

$75.93 $78.28

102 sold

Categories: Electronic Components & Supplies, Active Components

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54% off
Estardyn SCD40 SCD41 CO2 Gas Sensor Module 2.4-5.5V Detects Temperature & Humidity I2C for Air Quality Estardyn SCD40 SCD41 CO2 Gas Sensor Module 2.4-5.5V Detects Temperature & Humidity I2C for Air Quality

Estardyn SCD40 SCD41 CO2 Gas Sensor Module 2.4-5.5V Detects Temperature & Humidity I2C for Air Quality

$126.13 $274.19

105 sold

Categories: Electronic Components & Supplies, Active Components

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51% off
1/3 PCS Capacitive Soil Moisture Sensor Corrosion Resistant for R3 Board Moisture Detection Garden Watering DIY 1/3 PCS Capacitive Soil Moisture Sensor Corrosion Resistant for R3 Board Moisture Detection Garden Watering DIY

1/3 PCS Capacitive Soil Moisture Sensor Corrosion Resistant for R3 Board Moisture Detection Garden Watering DIY

$25.08 $51.19

130 sold

Categories: Electronic Components & Supplies, Active Components

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52% off
。New Non Contact Water Level Sensor Capacitive Liquid Level Sensor Liquid Detection Switch Controller Water Level Detector Tool 。New Non Contact Water Level Sensor Capacitive Liquid Level Sensor Liquid Detection Switch Controller Water Level Detector Tool

。New Non Contact Water Level Sensor Capacitive Liquid Level Sensor Liquid Detection Switch Controller Water Level Detector Tool

$32.70 $68.12

121 sold

Categories: Electronic Components & Supplies, Active Components

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XKC-Y26 Non-contact Liquid Level Sensor External-attached Pipeline Water Level Sensor Liquid Sensor Liquid Detection Switch XKC-Y26 Non-contact Liquid Level Sensor External-attached Pipeline Water Level Sensor Liquid Sensor Liquid Detection Switch

XKC-Y26 Non-contact Liquid Level Sensor External-attached Pipeline Water Level Sensor Liquid Sensor Liquid Detection Switch

$51.00 $51.00

102 sold

Categories: Electronic Components & Supplies, Active Components

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27% off
20pcs/5pcs 24Ghz Human Presence Sensor HLK-LD2410C LD2410C Millimeter Wave Radar Module Non-contact Heartbeat Motion Detection 20pcs/5pcs 24Ghz Human Presence Sensor HLK-LD2410C LD2410C Millimeter Wave Radar Module Non-contact Heartbeat Motion Detection

20pcs/5pcs 24Ghz Human Presence Sensor HLK-LD2410C LD2410C Millimeter Wave Radar Module Non-contact Heartbeat Motion Detection

$4.44 $6.08

153 sold

Categories: Electronic Components & Supplies, Active Components

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MQ-7 module Carbon monoxide gas sensor detection alarm MQ7 sensor moduler MQ-7 module Carbon monoxide gas sensor detection alarm MQ7 sensor moduler

MQ-7 module Carbon monoxide gas sensor detection alarm MQ7 sensor moduler

$12.54 $12.54

100 sold

Categories: Electronic Components & Supplies, Active Components

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68% off
SCD40 SCD41 gas sensor module detects CO2 carbon dioxide temperature and humidity in one sensor I2C communication SCD40 SCD41 gas sensor module detects CO2 carbon dioxide temperature and humidity in one sensor I2C communication

SCD40 SCD41 gas sensor module detects CO2 carbon dioxide temperature and humidity in one sensor I2C communication

$108.35 $338.60

105 sold

Categories: Electronic Components & Supplies, Active Components

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9% off
1PCS Gas Sensor MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 Detection Smoke methane liquefied Gas Sensor Module 1PCS Gas Sensor MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 Detection Smoke methane liquefied Gas Sensor Module

1PCS Gas Sensor MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 Detection Smoke methane liquefied Gas Sensor Module

$1.19 $1.31

105 sold

Categories: Electronic Components & Supplies, Active Components

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25% off
XY-MD02 Temperature and Humidity Transmitter Detection Sensor Module Modbus SHT40 Temperature Sensor RS485 Signal Analog XY-MD02 Temperature and Humidity Transmitter Detection Sensor Module Modbus SHT40 Temperature Sensor RS485 Signal Analog

XY-MD02 Temperature and Humidity Transmitter Detection Sensor Module Modbus SHT40 Temperature Sensor RS485 Signal Analog

$5.17 $6.90

116 sold

Categories: Electronic Components & Supplies, Active Components

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52% off
Electronic Water Pumping Kit for R3 Board Automatic irrigation module DIY Kit soil moisture detection automatic water pump Electronic Water Pumping Kit for R3 Board Automatic irrigation module DIY Kit soil moisture detection automatic water pump

Electronic Water Pumping Kit for R3 Board Automatic irrigation module DIY Kit soil moisture detection automatic water pump

$62.50 $130.21

110 sold

Categories: Electronic Components & Supplies, Active Components

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32% off
MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter DIY Kit MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter DIY Kit

MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter DIY Kit

$25.77 $38.18

134 sold

Categories: Electronic Components & Supplies, Active Components

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Sound Detection Sensor Module Sound Sensors VOS Module Voice Operated Switch Microphone Module For Arduino Switches Smart Home Sound Detection Sensor Module Sound Sensors VOS Module Voice Operated Switch Microphone Module For Arduino Switches Smart Home

Sound Detection Sensor Module Sound Sensors VOS Module Voice Operated Switch Microphone Module For Arduino Switches Smart Home

$1.63 $1.63

137 sold

Categories: Electronic Components & Supplies, Active Components

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HLK-LD2410B Human Presence Sensor Module BT FMCW 24GHz Smart Millimeter Wave Radar Sensing Heartbeat Detection Sensors HLK-LD2410B Human Presence Sensor Module BT FMCW 24GHz Smart Millimeter Wave Radar Sensing Heartbeat Detection Sensors

HLK-LD2410B Human Presence Sensor Module BT FMCW 24GHz Smart Millimeter Wave Radar Sensing Heartbeat Detection Sensors

$4.11 $4.11

96 sold

Categories: Electronic Components & Supplies, Active Components

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20% off
GTRIC M5 Series Small Mini Inductive Proximity Switch Sensing Distance 1mm NPN PNP NO/NC DC 10-30V 3-wire Miniature Metal Detect GTRIC M5 Series Small Mini Inductive Proximity Switch Sensing Distance 1mm NPN PNP NO/NC DC 10-30V 3-wire Miniature Metal Detect

GTRIC M5 Series Small Mini Inductive Proximity Switch Sensing Distance 1mm NPN PNP NO/NC DC 10-30V 3-wire Miniature Metal Detect

$70.45 $88.06

98 sold

Categories: Electronic Components & Supplies, Active Components

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LD2410C 24GHz Human Presence Sensor High Accuracy FMCW Wave Radar Induction Module Body Heartbeat Detection Sensors LD2410C 24GHz Human Presence Sensor High Accuracy FMCW Wave Radar Induction Module Body Heartbeat Detection Sensors

LD2410C 24GHz Human Presence Sensor High Accuracy FMCW Wave Radar Induction Module Body Heartbeat Detection Sensors

$3.75 $3.75

108 sold

Categories: Electronic Components & Supplies, Active Components

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50% off
BS Smart Electronics Soil Moisture Hygrometer! Detection Humidity Sensor Module for Arduino, DIY Robot & Smart Car BS Smart Electronics Soil Moisture Hygrometer! Detection Humidity Sensor Module for Arduino, DIY Robot & Smart Car

BS Smart Electronics Soil Moisture Hygrometer! Detection Humidity Sensor Module for Arduino, DIY Robot & Smart Car

$20.57 $41.14

120 sold

Categories: Electronic Components & Supplies, Active Components

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35% off
Snow Raindrops Detection Sensor Module Rain Weather Module Humidity For Arduino Robot Car Diy Kit 5V/12V Relay Control Module Snow Raindrops Detection Sensor Module Rain Weather Module Humidity For Arduino Robot Car Diy Kit 5V/12V Relay Control Module

Snow Raindrops Detection Sensor Module Rain Weather Module Humidity For Arduino Robot Car Diy Kit 5V/12V Relay Control Module

$22.25 $34.25

150 sold

Categories: Electronic Components & Supplies, Active Components

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