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5V Photosensitive Relay Module with LDR Photoresistor Sensor for Light Detection, Smart Home Automation DIY Projects

$15^.79

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X3 Temperature & Humidity Sensor, YS8006 | Refresh Temp/Humidity in the App, Works with Alexa/IFTTT/Home Assistant, LoRa Protocol Up to 2034 Feet, Hub Required

$68^.99

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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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Zigbee Temperature Sensor, Humidity Sensor Thermometer for House, Compatible with Alexa & Google Assistant, eWeLink APP for Remote Monitoring and Home Automation, ZigBee 3.0 Hub Required

$29^.99

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5pcs AHT20 Precision Digital Temperature Humidity Sensor Measurement Module I2C IIC Communication Compatible SHT20 Temperature -40 to +120°C Humidity 0 to 100%RH 2.2 to 5.5V 400KHz SMD

$11^.89

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YF-S201C 2Pcs Transparent Flow Sensor Turbine Flowmeter Water Flow Meter DC3.5-24V G1/2 Range 1-30L/min Hall Pulse Output NPN Signal 300 Pulses/Liter 10mA for Water Heaters

$11^.89

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Hygrometer Thermometer 3 Pack, Mini Humidity Sensor with Gateway | Indoor wireless smart temperature humidity monitor with APP alert, export 2-yr data, remote control for home/greenhouse

$79^.99

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X3 Temperature & Humidity Sensor, YS8006 | Refresh Temp/Humidity in the App, Works with Alexa/IFTTT/Home Assistant, LoRa YoLink Protocol Up to 2034 Feet, Hub Required

$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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WiFi Thermometer Hygrometer with 2 IP65 Remote Sensors, 328Ft Range | Indoor Outdoor Temperature Humidity Monitor with App Alerts, Large LCD Display, Data Export, for Home Greenhouse Basement

$76^.99

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Adafruit Si7021 Temperature & Humidity Sensor Breakout Board (3251)

$45^.99

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Sustee Aquameter, Set of 4, Plant Soil Moisture Sensor (Green, Medium)

$46^.99

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Volume Discounts:$43.99 - $46.99

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RPLIDAR S3 dToF LiDAR Sensor - 40m Range, 32KHz Sampling, 80,000 Lux Sunlight Immunity, Ultra-Compact 360 Laser Radar for ROS, AGV, Service Robots (UART/USB)

$662^.99

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Indoor Digital Hygrometer Thermometer for Room Temperature Humidity Meter | Thermometer Accuracy Calibration LCD Temperature Sensor with Maximum and Minimum Records,1 Pack

$25^.99

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Volume Discounts:$22.99 - $25.99

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IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Switch Module Photo Interrupter Tachometer Digital Pulse Counter Board For Motor Speed Test RPM Measurement 10PCS

$9^.99

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Indoor Digital Hygrometer Thermometer for Room Temperature Humidity Meter | Thermometer Accuracy Calibration LCD Temperature Sensor with Maximum and Minimum Records,3 Pack

$44^.99

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Volume Discounts:$41.99 - $44.99

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Vision Gesture & Human Tracking Sensor Module (I2C/UART), AI Camera Board for ESP32 DIY (Outputs Coordinate Data ONLY, NOT a Webcam)

$40^.99

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Indoor Digital Hygrometer Thermometer for Room Temperature Humidity Meter | Thermometer Accuracy Calibration LCD Temperature Sensor with Maximum and Minimum Records,2 Pack

$46^.99

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Volume Discounts:$43.99 - $46.99

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Smart Digital Thermometer Hygrometer, WiFi Indoor Temperature Humidity Sensor with App Alerts, Mini Room Temperature Meter with Data Storage and Export, Compatible with Alexa. 1PCS

$28^.99

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Volume Discounts:$25.99 - $28.99

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New Link Cable for Game Boy Advance GBA GBA SP 2 Player Linking Connector Cord

$17^.98

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(01080M Pro Accuracy Temperature and Humidity Gauge, Black | Stay comfy with this hygrometer/thermometer combo, complete with comfort meter, highs and lows, trends, and humidity alarm.

$44^.99

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Volume Discounts:$41.99 - $44.99

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NGW-1pc Seeed Studio XIAO nRF52840 Sense - TinyML/TensorFlow Lite- IMU / Microphone - Bluetooth5.0

$29^.99

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Aquacomputer G1/4 NEXT RGBpx Flow Sensor - High Flow, Black (53293)

$102^.66

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USB Magnetic Sensor Switch, Customizable Keyboard Mouse String Switch Cable with 0-15mm Effective Distance, for Printer Monitoring

$60^.99

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GUVA-S12SD 240nm-370nm UV Detection Sensor Module Light Sensor

$15^.23

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Volume Discounts:$13.63 - $15.23

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E3F-DS10C4 Proximity Switch Photoelectric Sensor 10cm Detection Distance Diffuse Reflection Infrared Sensor DC 6-36V 3-Wire NPN NO

$16^.08

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Volume Discounts:$14.48 - $16.08

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MAX31855 K-Type Thermocouple Breakout Board Thermocouple Sensor Module Temperature -200°C to +1350°C SPI Interface Digital Direct Readability Temperature

$15^.88

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Volume Discounts:$14.28 - $15.88

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K-Type Thermocouple Breakout Board MAX31855 Thermocouple Sensor Module Temperature -200°C to +1350°C SPI Interface Digital Direct Readability Temperature

$23^.48

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Volume Discounts:$21.88 - $23.48

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HLK-LD2410B-P Human Presence Radar Module Sensor Board with Pins Bluetooth LD2410B LD2410 Human Radar Sensor Module with 1.25 to 2.54mm Dupont Cable

$16^.34

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Volume Discounts:$15.04 - $16.34

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5Pcs AP3216 Distance Sensor Module ALS PS Digital Ambient Light Sensor Proximity Distance Sensor Module AP3216 Light Detector Photosensitive Sensor

$16^.71

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Volume Discounts:$15.41 - $16.71

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16 Channel 5V Relay Module with Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5

$22^.14

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Volume Discounts:$20.84 - $22.14

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LT3045 3.3V Linear Voltage Regulator Step-Down Module Single Power Supply Transformer Module Output 3.3V 500mA

$20^.84

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Volume Discounts:$19.54 - $20.84

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5Pcs PAM8302 Single Channel Audio Amplifier Module Board D 2.5W MP4 Audio Power Amplifier Board Amp MP3 PAM8302 Module

$16^.73

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Volume Discounts:$15.43 - $16.73

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LD2451 24G Vehicle Status Monitoring Sensor Module Vehicle Ranging and Speed Measurement Millimeter Wave Ra·DAR Adapter (Module Test Kit)

$29^.00

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Volume Discounts:$27.40 - $29.00

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HLK-LD6003 60G Heart Rate Detection Radar Module 3M Non Contact Millimeter Wave Breathing + Heartbeat Sensor Support UART Serial Communication

$112^.16

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Volume Discounts:$110.56 - $112.16

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Miniature TOF Laser Range Sensor Module UART / I2C Serial Interface, LiDAR Distance Measurement for Robotics / Drones / Obstacle Avoidance

$33^.79

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Volume Discounts:$32.49 - $33.79

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