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SunFounder 5 pcs Ultrasonic Module HC-SR04 Distance Sensor for Arduino UNO MEGA R3 Mega2560 Duemilanove Nano Robot Rapsberry Pi 3 B+, 2 & RPi Model B+ XBee ZigBeeIntroduction The SunFounder HC-SR04 Ultrasonic Ranging module includes an ultrasonic transmitter, receiver and circuits. It has 4 pins: VCC, TRIG, ECHO and GND. The anti-reverse pin header onside makes it easy to connect and apply. As for the ranging principle, it is quite simple to understand: pull...$9.78$10.99
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Samsung SmartThings Smart Home HubSmartThings lets you easily control, monitor, and secure your home from anywhere in the world. The heart of your smart home, the Samsung SmartThings Hub will connect all of your different smart locks, lights, outlets, thermostats, and more and let you control them from the free SmartThings app. Rece...$57.99$99.99
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Samsung SmartThings Motion SensorThe SmartThings Motion sensor is a ZigBee device that lets you know when movement is detected in a certain area of your home and can trigger different actions in response to that movement. Set lights to turn on and off as you come and go and protect your home by triggering lights, sirens and other e...$32.00$39.99