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12V 4 Channels Bluetooth Relay Module 4 Way Bluetooth Wireless Smart Relay Module Smart Home Phone APP Remote Control Switch

12V 4 Channels Bluetooth Relay Module 4 Way Bluetooth Wireless Smart Relay Module Smart Home Phone APP Remote Control Switch

Limited time offer, ends 10/08

$22^.11

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Volume Discounts:$20.51 - $22.11

AJMRTC Microwave Radar Sensor Module, DC 5.5V-15V Power Supply Motion Detection Radar Sensing Board for T8 Semi-Aluminum Plastic Tube Light, LED Lighting Control & Automatic Sensor Projects

AJMRTC Microwave Radar Sensor Module, DC 5.5V-15V Power Supply Motion Detection Radar Sensing Board for T8 Semi-Aluminum Plastic Tube Light, LED Lighting Control & Automatic Sensor Projects

$11^.79

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AJMRTC TOF MINI Laser Range Sensor Module, Builtin Controller & Ranging Algorithm, TimeofFlight (TOF) Technology HighPrecision Distance Measuring Unit for Robot Obstacle Avoidance & DIY Embedded

AJMRTC TOF MINI Laser Range Sensor Module, Builtin Controller & Ranging Algorithm, TimeofFlight (TOF) Technology HighPrecision Distance Measuring Unit for Robot Obstacle Avoidance & DIY Embedded

$32^.80

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AJMRTC TOF MINI Laser TimeofFlight Range Finder Sensor, UART Distance Measurement Module with OnBoard Controller, Mini LiDAR Unit for Arduino ESP32 Raspberry Pi Robot ObstacleAvoidance DIY Project

AJMRTC TOF MINI Laser TimeofFlight Range Finder Sensor, UART Distance Measurement Module with OnBoard Controller, Mini LiDAR Unit for Arduino ESP32 Raspberry Pi Robot ObstacleAvoidance DIY Project

$34^.04

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AJMRTC CLT 5.8GHz Microwave Radar Sensor Module, Strong Anti-Jamming Motion Detector Trigger Switch, 6-9m Detection Distance DC 3.3-20V, for Smart Home Automation, Lighting Control DIY Projects

AJMRTC CLT 5.8GHz Microwave Radar Sensor Module, Strong Anti-Jamming Motion Detector Trigger Switch, 6-9m Detection Distance DC 3.3-20V, for Smart Home Automation, Lighting Control DIY Projects

$13^.15

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AJMRTC 5Pcs RCWL-0515 Microwave Radar Sensor Module, 2.7G Doppler Motion Detector, 12-15M Long Distance Human Body Induction Board for Garage Light, UV Lamp, Smart Home Lighting Control

AJMRTC 5Pcs RCWL-0515 Microwave Radar Sensor Module, 2.7G Doppler Motion Detector, 12-15M Long Distance Human Body Induction Board for Garage Light, UV Lamp, Smart Home Lighting Control

$12^.46

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AJMRTC RCWL-0516 Microwave Radar Sensor Module, Human Body Motion Induction Switch Module, 3.3V Output RCWL0516 Radar Detector for Arduino STM32 Smart Home Trigger DIY Projects

AJMRTC RCWL-0516 Microwave Radar Sensor Module, Human Body Motion Induction Switch Module, 3.3V Output RCWL0516 Radar Detector for Arduino STM32 Smart Home Trigger DIY Projects

$11^.79

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AJMRTC 2Pcs Infrared Reflective Sensor Module, IR Photoelectric Reflectance Detector, Obstacle Avoidance Line Tracking Sensor for Arduino ESP32 STM32, Robot & Electronic DIY Projects

AJMRTC 2Pcs Infrared Reflective Sensor Module, IR Photoelectric Reflectance Detector, Obstacle Avoidance Line Tracking Sensor for Arduino ESP32 STM32, Robot & Electronic DIY Projects

$22^.43

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AJMRTC R60ABD1 60G Millimeter Wave Radar Sensor Module, Biosensing Detector for Respiratory & Heartbeat Monitoring, Sleep Quality Tracking, UART Serial Output, Non-Contact Human Vital Signs Detection

AJMRTC R60ABD1 60G Millimeter Wave Radar Sensor Module, Biosensing Detector for Respiratory & Heartbeat Monitoring, Sleep Quality Tracking, UART Serial Output, Non-Contact Human Vital Signs Detection

$23^.15

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AJMRTC TOF10120 Range Sensor Module, 10-180cm Distance Measuring Sensor, UART I2C RS232 Output 3-5V Laser Time-of-Flight Distance Sensor for Arduino Raspberry Pi Robot Obstacle Avoidance DIY Projects

AJMRTC TOF10120 Range Sensor Module, 10-180cm Distance Measuring Sensor, UART I2C RS232 Output 3-5V Laser Time-of-Flight Distance Sensor for Arduino Raspberry Pi Robot Obstacle Avoidance DIY Projects

$11^.79

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AJMRTC BH1750FVI Digital Light Intensity Sensor Module, Ambient Illuminance Detector Module, Light Sensor with Demo Code for Arduino, Raspberry Pi, Smart Home and Light Measurement DIY Projects

AJMRTC BH1750FVI Digital Light Intensity Sensor Module, Ambient Illuminance Detector Module, Light Sensor with Demo Code for Arduino, Raspberry Pi, Smart Home and Light Measurement DIY Projects

$13^.11

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AJMRTC BME680 4 in 1 Environmental Sensor Module, Digital Temperature Humidity Barometric Pressure VOC Gas High Accuracy Altitude Sensor, I2C SPI Interface for Arduino Raspberry Pi IoT Weather Station

AJMRTC BME680 4 in 1 Environmental Sensor Module, Digital Temperature Humidity Barometric Pressure VOC Gas High Accuracy Altitude Sensor, I2C SPI Interface for Arduino Raspberry Pi IoT Weather Station

$18^.99

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AJMRTC R60ABD1 60G Millimeter Wave Radar Sensor Module, Non-Contact Biosensing Detector for Respiratory Sleep Monitoring, Real-Time Breathing & Heartbeat Wave Detection, IoT Human Vital Signs Sensing

AJMRTC R60ABD1 60G Millimeter Wave Radar Sensor Module, Non-Contact Biosensing Detector for Respiratory Sleep Monitoring, Real-Time Breathing & Heartbeat Wave Detection, IoT Human Vital Signs Sensing

$23^.15

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AJMRTC 1 Channel TCRT5000 Line Tracking Sensor Module, Infrared Reflective Tracker Probe, Digital Output, Adjustable Sensitivity for Smart Robot Car, Arduino STM32 Raspberry Pi DIY Electronic Project

AJMRTC 1 Channel TCRT5000 Line Tracking Sensor Module, Infrared Reflective Tracker Probe, Digital Output, Adjustable Sensitivity for Smart Robot Car, Arduino STM32 Raspberry Pi DIY Electronic Project

$11^.36

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Tuya app WiFi Temperature Sensor Controller,Phone Monitor and Control Temperature Anywhere,4 Channel 110v 10A Dry Contact Relay Switch,Compatible with Alexa Google Home

Tuya app WiFi Temperature Sensor Controller,Phone Monitor and Control Temperature Anywhere,4 Channel 110v 10A Dry Contact Relay Switch,Compatible with Alexa Google Home

$49^.99

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AJMRTC Microwave Radar Body Induction Solar LED Driver Controller Board, 3.2V 3.7V Solar Wall Light Switch Circuit Board with Remote Control for Solar Street Lamp & Outdoor Light DIY Projects

AJMRTC Microwave Radar Body Induction Solar LED Driver Controller Board, 3.2V 3.7V Solar Wall Light Switch Circuit Board with Remote Control for Solar Street Lamp & Outdoor Light DIY Projects

$11^.79

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AJMRTC Single Axis Solar Tracking Module, Automatic Sun Tracker Board, Solar-Powered Light Searching Sensor Module for Solar Panel Position Adjustment and Renewable Energy DIY Projects

AJMRTC Single Axis Solar Tracking Module, Automatic Sun Tracker Board, Solar-Powered Light Searching Sensor Module for Solar Panel Position Adjustment and Renewable Energy DIY Projects

$14^.38

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AJMRTC 5 Channel Flame Sensor Module, Five Channel Fire Detection Sensor with Analog & Digital Dual Output, Flame Detector Board for Fire Alarm, Fire Extinguishing Robot and DIY Electronic Projects

AJMRTC 5 Channel Flame Sensor Module, Five Channel Fire Detection Sensor with Analog & Digital Dual Output, Flame Detector Board for Fire Alarm, Fire Extinguishing Robot and DIY Electronic Projects

$11^.79

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AJMRTC 10PCS IR Infrared Obstacle Avoidance Sensor Module, Reflective Photoelectric Obstacle Detection Sensor for Smart Robot Car, Arduino Raspberry Pi DIY Electronic Projects

AJMRTC 10PCS IR Infrared Obstacle Avoidance Sensor Module, Reflective Photoelectric Obstacle Detection Sensor for Smart Robot Car, Arduino Raspberry Pi DIY Electronic Projects

$15^.89

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AJMRTC F233-01 4 Channel Infrared Tracking Sensor Module, Four-Way Line Tracking & Obstacle Avoidance Sensor for Smart Robot Car, Path Tracing Detector Module for Arduino DIY Robotics Project

AJMRTC F233-01 4 Channel Infrared Tracking Sensor Module, Four-Way Line Tracking & Obstacle Avoidance Sensor for Smart Robot Car, Path Tracing Detector Module for Arduino DIY Robotics Project

$12^.43

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AJMRTC 5pcs TCRT5000 Infrared Reflectance Sensor Module, IR Photoelectric Switch, Line Tracing Obstacle Avoidance Tracking Sensor Compatible with Arduino, ESP32, ESP8266, STM32, Raspberry Pi for Smart

AJMRTC 5pcs TCRT5000 Infrared Reflectance Sensor Module, IR Photoelectric Switch, Line Tracing Obstacle Avoidance Tracking Sensor Compatible with Arduino, ESP32, ESP8266, STM32, Raspberry Pi for Smart

$13^.80

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AJMRTC 5PCS/LOT RCWL-0516 Microwave Radar Sensor Module, Human Body Induction Switch Intelligent Motion Detector, Non-contact Doppler Radar Breakout Board for Arduino Auto Light Security Project

AJMRTC 5PCS/LOT RCWL-0516 Microwave Radar Sensor Module, Human Body Induction Switch Intelligent Motion Detector, Non-contact Doppler Radar Breakout Board for Arduino Auto Light Security Project

$11^.79

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AJMRTC QRE1113 Infrared Reflective Sensor Module, 3.3V-5V Non-contact IR Reflection Detector, Line Tracking Proximity Sensor Board for Arduino Raspberry Pi DIY Circuit Robot Projects

AJMRTC QRE1113 Infrared Reflective Sensor Module, 3.3V-5V Non-contact IR Reflection Detector, Line Tracking Proximity Sensor Board for Arduino Raspberry Pi DIY Circuit Robot Projects

$12^.43

Free Shipping

AJMRTC 10PCS DS18B20 Digital Temperature Sensor TO-92 Package, Programmable Resolution 1-Wire Thermometer Sensor, Waterproof Optional, for Arduino Raspberry Pi Microcontroller Temperature Measurement

AJMRTC 10PCS DS18B20 Digital Temperature Sensor TO-92 Package, Programmable Resolution 1-Wire Thermometer Sensor, Waterproof Optional, for Arduino Raspberry Pi Microcontroller Temperature Measurement

$13^.77

Free Shipping

AJMRTC EMG Muscle Signal Sensor Controller, Muscle Activity Detection Development Board, EMG Electromyography Sensor Module for Wearable Devices, Bio-Signal Acquisition for DIY Biofeedback & Bionic

AJMRTC EMG Muscle Signal Sensor Controller, Muscle Activity Detection Development Board, EMG Electromyography Sensor Module for Wearable Devices, Bio-Signal Acquisition for DIY Biofeedback & Bionic

$20^.35

Free Shipping

AJMRTC 10pcs TCRT5000L TCRT5000 Reflective Infrared Optical Sensor, Photoelectric Switch IR Photoelectric Detector Module for Object Counting, Line Tracking and Obstacle Detection DIY Projects

AJMRTC 10pcs TCRT5000L TCRT5000 Reflective Infrared Optical Sensor, Photoelectric Switch IR Photoelectric Detector Module for Object Counting, Line Tracking and Obstacle Detection DIY Projects

$11^.79

Free Shipping

AJMRTC LM358 Operational Amplifier Module, 100 Times Gain Signal Amplification Board, 5V-12V Power Input, Adjustable Gain Op Amp Sensor Signal Amplifier for Arduino STM32 DIY Electronic Circuit Projec

AJMRTC LM358 Operational Amplifier Module, 100 Times Gain Signal Amplification Board, 5V-12V Power Input, Adjustable Gain Op Amp Sensor Signal Amplifier for Arduino STM32 DIY Electronic Circuit Projec

$12^.14

Free Shipping

AJMRTC RCWL-1605 Integrated Ultrasonic Ranging Module, All-in-One Transmitter & Receiver Distance Sensor, Supports GPIO, Serial Port, IIC and Single Bus for Arduino, Robot Obstacle Avoidance Projects

AJMRTC RCWL-1605 Integrated Ultrasonic Ranging Module, All-in-One Transmitter & Receiver Distance Sensor, Supports GPIO, Serial Port, IIC and Single Bus for Arduino, Robot Obstacle Avoidance Projects

$12^.15

Free Shipping

AJMRTC Contactless Infrared Sensor Switch, No Touch Door Release Exit Button with LED Indication, Non-contact IR Sensor Door Access Control Switch for Home & Office Door System

AJMRTC Contactless Infrared Sensor Switch, No Touch Door Release Exit Button with LED Indication, Non-contact IR Sensor Door Access Control Switch for Home & Office Door System

$13^.70

Free Shipping

AJMRTC BME280 Environmental Sensor Module, Digital Temperature Humidity Barometric Pressure Sensor, High Precision Weather Sensor I2C SPI Interface for Arduino Raspberry Pi IoT Weather Monitoring DIY

AJMRTC BME280 Environmental Sensor Module, Digital Temperature Humidity Barometric Pressure Sensor, High Precision Weather Sensor I2C SPI Interface for Arduino Raspberry Pi IoT Weather Monitoring DIY

$24^.17

Free Shipping

AJMRTC TTP223B Capacitive Touch Sensor Module, Digital TTP223 Touch Switch Module, Blue PCB Single Channel Capacitive Touch Detector for Arduino ESP32 STM32 Electronic DIY Projects

AJMRTC TTP223B Capacitive Touch Sensor Module, Digital TTP223 Touch Switch Module, Blue PCB Single Channel Capacitive Touch Detector for Arduino ESP32 STM32 Electronic DIY Projects

$12^.24

Free Shipping

AJMRTC 10PCS RPR220 Reflective Optical Coupling Sensor, Optoelectronic Switch IR Photoelectric Detector for Object Detection, Line Tracking and Electronic DIY Projects

AJMRTC 10PCS RPR220 Reflective Optical Coupling Sensor, Optoelectronic Switch IR Photoelectric Detector for Object Detection, Line Tracking and Electronic DIY Projects

$11^.79

Free Shipping

AJMRTC EGBO Rain Sensor Module 1PC, Weather Humidity Detector, Rainfall Detection Board with Analog & Digital Output, Compatible with Arduino ESP32 for Relay Control, Weather Monitoring DIY Projects

AJMRTC EGBO Rain Sensor Module 1PC, Weather Humidity Detector, Rainfall Detection Board with Analog & Digital Output, Compatible with Arduino ESP32 for Relay Control, Weather Monitoring DIY Projects

$12^.68

Free Shipping

AJMRTC HW-MS03 Microwave Radar Motion Sensor Module, High Performance 2.4GHz to 5.8GHz Doppler Radar Detector, Non-Contact Human Motion Sensing Board for Smart Lighting, Security Alarm & Electronic

AJMRTC HW-MS03 Microwave Radar Motion Sensor Module, High Performance 2.4GHz to 5.8GHz Doppler Radar Detector, Non-Contact Human Motion Sensing Board for Smart Lighting, Security Alarm & Electronic

$11^.79

Free Shipping

AJMRTC TTP229 16 Channel Capacitive Touch Sensor Module, 16-Way Digital Capacitive Touch Switch Board, Low Power Touch Detector for Arduino, Raspberry Pi, DIY Electronic Projects

AJMRTC TTP229 16 Channel Capacitive Touch Sensor Module, 16-Way Digital Capacitive Touch Switch Board, Low Power Touch Detector for Arduino, Raspberry Pi, DIY Electronic Projects

$11^.79

Free Shipping

AJMRTC 1PCS SHT30 I2C Digital Temperature Humidity Sensor Shield, SHT30 Temperature & Humidity Module for WeMos D1 Mini Board, High Precision Weather Sensor Module for IoT Environmental Monitoring

AJMRTC 1PCS SHT30 I2C Digital Temperature Humidity Sensor Shield, SHT30 Temperature & Humidity Module for WeMos D1 Mini Board, High Precision Weather Sensor Module for IoT Environmental Monitoring

$11^.79

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