Introduction: ARDUINO 101 | HC-SR501 PIR MOTION SENSOR

By OUR YOUTUBE CHANNEL
About: ENGINEERING & TECHNOLOGY | The creator is extremely passionate about Digital content creation, Arduino projects, Mechatronic projects, and RC modelling.

This Instructable will guide you through the process of testing an HC-SR501 PIR motion sensor using an Arduino UNO R3.

Supplies

1) Arduino UNO R3: Click here.

2) HC-SR501 PIR motion sensor: Click here.

3) 5V Buzzer: Click here.

4) Common Anode RGB LED: Click here.

5) Mini breadboard:Click here.

6) Jumper wires:Click here.

Step 1: CONNECTIONS

RGB LED:

Red -> D3

Green -> D5

Blue -> D6

Common Anode -> D4

BUZZER:

VCC -> D13

GND -> D11

PIR SENSOR:

VCC -> 5V

GND -> GND

SIGNAL -> D2

Step 2: PROGRAMMING

1) Download the code.

2) Open it and verify the same.

3) Select the right communication port and board.

4) Upload the code.

Attachments

Step 3: TESTING

*SKIP TO 2:45*

The green LED glows when there is no motion being detected by the sensor.

If a motion is detected by the sensor, the light turns red and the buzzer beeps.

The light turns blue while the sensor dwells.