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AJMRTC Normally Closed Vibration Sensor Module, SW-420 Vibration Switch Alarm Sensor Board, Trigger Alarm Detection Module for Vibration Monitoring, Anti-theft Alarm, Electronic DIY and MCU Sensing

$10^.54

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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

$11^.21

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AJMRTC KY-003 Hall Magnetic Sensor Module, A3144 Hall Effect Switch Digital Magnetic Field Detector, Compatible with Arduino AVR Raspberry Pi, for DIY Starter Kits, Speed Counting, Non-contact Positio

$11^.02

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Smart Temperature Humidity Monitor: WiFi Thermometer Hygrometer, App Alerts | Works with Smart Life/Tuya App, Remote Monitoring, History & Data Export, Alexa Compatible, for Greenhouse, Wine Cellar

$38^.99

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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

$21^.90

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AJMRTC GY-21 HTU21D I2C Digital Temperature Humidity Sensor Module, High Precision Breakout Board, 3.3V IIC Interface, Weather Station Humidor Monitoring DIY Electronic Projects

$11^.06

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AJMRTC KA2284 Audio Level Indicator DIY Electronic Kit, 5mm Red & Green LED Level Indicator, 3.5-12V Audio Spectrum Display Electronic Parts Set, Soldering Practice Suite for Audio Signal Level Detect

$10^.93

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AJMRTC Digital Barometric Pressure Sensor Module, 0-40KPa Liquid Water Level Controller Board, DC 3.3V-5V, 2.5mm Hose Interface, Pressure & Liquid Level Detection for Arduino, ESP32, Raspberry Pi

$10^.56

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GANGXUN SCD41 CO2 Gas Sensor Module with Temperature & Humidity Sensor, I2C Communication, 400-5000ppm Range, 2.4-5.5V, compatible with Raspberry Pi, Air Quality Monitoring

$25^.20

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AJMRTC 10PCS NY9M012BS8 SOP8 IC Chips, Bidirectional Motor Drive Integrated Circuit, SOP-8 Package Motor Driver Chip for Electronic Repair and DIY Circuit Projects

$17^.42

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AirGuard CO2 SAWF-08P, Smart Indoor Air Quality Monitor, Matter Compatible, 2.4GHz WiFi, CO2 Monitor for CO2/Temp/Humidity, Real-Time Display & Notification, for Bedroom, Nusery Room

$79^.99

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Smart Air Quality Monitor with PM2.5 H5106, LED Display Wired | Indoor temperature humidity sensors, 2s refresh, 2-year data storage, for home & office, 2.4G Wi-Fi only

$68^.99

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Zigbee Temperature Humidity Sensor with LCD Display, Indoor Thermometer Hygrometer for Home Assistant, Alexa (Hub Required), Remote Monitoring for Guitar Case, Humidor & Greenhouse, SZT04E_Z

$35^.99

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AJMRTC BME680 4-in-1 Digital Environmental Sensor Module, High Accuracy Temperature Humidity Pressure Gas Air Quality Sensor for Altitude Measurement, Arduino Raspberry Pi IoT Projects

$17^.74

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AJMRTC AM312 Mini PIR Motion Sensor Module, Pyroelectric Infrared Human Body Detector, Automatic Induction Sensor DC2.7V-12V, Compact PIR Detector for Arduino, Smart Light, Security Alarm, Electronic

$10^.39

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AJMRTC AHT25 AHT21 Temperature Humidity Sensor Module, Digital Signal Humidity Sensor Chip, Upgrade Replacement for AHT10, High Precision Digital Temp & Humidity Detection Module for Arduino Electroni

$10^.79

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10pcs DHT11 Digital Temperature and Humidity Sensor Modules 3.3V5V

$27^.65

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AJMRTC GY-SHT21 High Precision Humidity & Temperature Sensor Module, I2C Interface, Compatible with Si7021 GY-21 HTU21, Industrial Grade Digital Sensor for Environmental Monitoring

$15^.74

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AJMRTC TDS Sensor Module, Analog Signal Total Dissolved Solids Water Quality Detection Sensor, Liquid Solubility Tester Module for Water Monitoring, Compatible with 51 STM32 MCU DIY Water Testing

$13^.50

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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

$17^.74

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LDROBOT D500 Lidar Kit DTOF Outdoor Robot SLAM Navigation Scanning Laser Radar Sensor Support ROS1 ROS2 D300 Lidar Kit Upgrade

$125^.99

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AJMRTC RCWL-1670 Waterproof Split Ultrasonic Ranging Module, 2cm to 400cm Detection Distance DC3-5V Ultrasonic Distance Sensor, Non-Contact Detector for Water Level Measurement, Liquid Height Monitori

$15^.47

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2 Pack WiFi Temperature Humidity Sensor Smart Hygrometer Thermometer Sensor with APP Remote Monitor and Alert High Precision Indoor Thermometer No Hub Required, Compatible with Alexa Google Assistant

$36^.99

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WiFi Temperature Humidity Sensor Smart Hygrometer Thermometer Sensor with APP Remote Monitor and Alert High Precision Indoor Thermometer No Hub Required, Compatible with Alexa Google Assistant

$26^.99

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HTMR07-J5 Humidity Sensor Module Temperature Sensor | Compatible with HOKURIKU/HDK HSU-07 Series Sensors, Replacement Part, Fit for Dehumidifier

$28^.99

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AJMRTC BH1750FVI Digital Light Sensor Module, BH1750 Chip Light Intensity Detection Module, Digital Light Ball Sensor DC 5V, I2C Interface Ambient Light Module for Arduino Raspberry Pi ESP32 DIY Elect

$11^.59

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AJMRTC AHT20+BMP280 High Precision Digital Temperature Humidity Atmospheric Pressure Sensor Module, I2C Interface 3-in-1 Environmental Detector for Arduino ESP32 Raspberry Pi Weather Station IoT Proje

$10^.54

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AJMRTC 12V 24V 48V PWM 4-Wire Fan Temperature Controller Board, Bidirectional Heat Dissipation Temp Speed Display with Stop Alarm, Automatic Fan Speed Regulation for Chassis Cabinet Cooling

$15^.93

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LJ12A3-4-Z/BX M12 Inductive Proximity Sensor Switch NPN NO 3-Wire Output DC6-36V 4mm Detection Distance Less Than 300mA Load Current with Compact 12mm Diameter for Industrial Automation 2PCS

$11^.89

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SCD40 CO2 Gas Sensor Module (1-Pack), 3-in-1 Carbon Dioxide, Temperature & Humidity Detector Board, Photoacoustic I2C Interface Breakout for HVAC, Air Quality & IoT Nodes

$35^.99

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Smart Air Quality Monitor with PM2.5 H5106, LED Display Wired | Indoor temperature humidity sensors, 2s refresh, 2-year data storage, for home & office, 2.4G Wi-Fi only

$68^.99

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SAWF-07P Smart Indoor Air Quality Monitor with PM2.5, PM10, Temperature & Humidity Sensor, Real-Time Display, Notification, Matter-Compatible, 2.4GHz WiFi, 3.73-inch Screen, for Bedroom, Nusery

$68^.99

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AirGuard CO2 SAWF-08P, Smart Indoor Air Quality Monitor, Matter Compatible, 2.4GHz WiFi, CO2 Monitor for CO2/Temp/Humidity, Real-Time Display & Notification, for Bedroom, Nusery Room

$79^.99

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Waveshare All-in-one Thin-Type Finger Vein Module, Built-in Cortex Core, USB Drive-Free Adaptability, UART Communication Interface

$61^.99

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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

$22^.92

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IR Infrared Transmitter Receiver Module - 5V Remote Control Decoder Encoder Board, 38KHz, Digital Interface for MCU Development

$11^.66

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