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At first, the state of the PIR sensor is set to LOW. it means that no motion is detected. When a motion will be detected by the PIR sensor, it will send a signal to the microcontroller. The ...

This project uses an Arduino board with a PIR motion sensor to detect movement. When motion is detected, an LED lights up and a buzzer sounds. It's ideal for simple security systems or motion-based ...

Arduino Night Security Alarm with PIR Sensor. January 31, 2014 by T.K. Hareendran ... 5mm Red LED ; 5V Piezo-Buzzer ; 9V battery; PIR/IR sensor (see text) Sensor Input. Advertisement. Partner Content.

Programming Arduino for Burglar Alarm. The code for Dog Barking Alarm using Arduino and PIR Sensor is very simple. Complete code can be found at the end of the document. The explanation of the code is ...

1. AT the start, Pins of Arduino are initialized that will be connected to the buzzer, led and the PIR motion sensor. LED will be connected to pin12 of Arduino, Buzzer will be connected to pin8 of the ...

To learn more about PIR sensor, follow the link and also learn how PIR sensor can be used with with Arduino, Raspberry Pi and other microcontrollers for various applications: ... The 6 th pin (P1.4) ...

Working from home with regular video meetings has its challenges, especially if you add kids to the mix. To help avoid embarrassing situations, [Charitha Jayaweera] created Present!, a USB device t… ...