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Shop Motion Sensor with a Buzzer and LED Arduino
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Electronics Sensor Module Kit With Hall Temperature Light Sound Motion LED And Buzzer Modules Compatible With Arduino And Raspberry Pi For DIY Robotic
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instructables.com
Arduino Controlled Motion Sensor
Arduino Controlled Motion Sensor: In this Instructable, I'll be explaining how to build a motion activated alarm! It uses an Arduino microcontroller, a PIR (passive infrared) sensor, and a type of alarm. You can use an LED indicator, a buzzer, or a piezo. That's the easy part. I wil…
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