#Shorts - How to use PIR motion sensor with Arduino projects #arduino #robot
PIR stands for Passive InfraRed. The PIR sensor is widely used in motion detection applications and this project will show you how to use it to control an LED. When the sensor detects motion, the LED will turn on and the event will be logged via the serial monitor.
How It Works
The PIR sensor detects infrared light emitted by humans and animals. Commonly, it looks for changes in the detected infrared light, which means someone or something has moved within its detection field. A passive infrared sensor (PIR ) also called as motion sensor is an electronic device which senses motion using a pair of pyroelectric sensors to detect heat energy in the surrounding environment. These two sensors sit beside each other, and when the signal differential between the two sensors changes ( suppose if a person enters the room), the sensor will engage. It basically catches movement. It has three terminals namely Gnd, Vcc and signal pin with 3V regulator, time delay controller, sensitivity controller and BIS001.
When motion is detected, the sensor outputs a HIGH signal. This signal can be read by the Arduino, which in turn, activates the LED.
How To Build the Arduino PIR Sensor Circuit
Set up the Arduino on your computer and connect the USB cable.
Take the PIR sensor and connect it to the Arduino’s 5V and GND for power. Connect the PIR sensor signal output to digital pin 2 on the Arduino.
Connect the LED’s anode (the longer leg) to digital pin 13 on the Arduino. Connect the cathode (the shorter leg) through a 220Ω resistor to GND.
GND – connect to ground
OUT – connect to an Arduino digital pin
5V – connect to 5V
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Видео #Shorts - How to use PIR motion sensor with Arduino projects #arduino #robot канала Global Connect Education
How It Works
The PIR sensor detects infrared light emitted by humans and animals. Commonly, it looks for changes in the detected infrared light, which means someone or something has moved within its detection field. A passive infrared sensor (PIR ) also called as motion sensor is an electronic device which senses motion using a pair of pyroelectric sensors to detect heat energy in the surrounding environment. These two sensors sit beside each other, and when the signal differential between the two sensors changes ( suppose if a person enters the room), the sensor will engage. It basically catches movement. It has three terminals namely Gnd, Vcc and signal pin with 3V regulator, time delay controller, sensitivity controller and BIS001.
When motion is detected, the sensor outputs a HIGH signal. This signal can be read by the Arduino, which in turn, activates the LED.
How To Build the Arduino PIR Sensor Circuit
Set up the Arduino on your computer and connect the USB cable.
Take the PIR sensor and connect it to the Arduino’s 5V and GND for power. Connect the PIR sensor signal output to digital pin 2 on the Arduino.
Connect the LED’s anode (the longer leg) to digital pin 13 on the Arduino. Connect the cathode (the shorter leg) through a 220Ω resistor to GND.
GND – connect to ground
OUT – connect to an Arduino digital pin
5V – connect to 5V
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Видео #Shorts - How to use PIR motion sensor with Arduino projects #arduino #robot канала Global Connect Education
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23 апреля 2025 г. 20:37:11
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