https://github.com/codeadamca/arduino-motion-sensor

A basic script to detect motion using an Arduino and a motion sensor.
https://github.com/codeadamca/arduino-motion-sensor

arduino cplusplus motion-sensor

Last synced: 3 months ago
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A basic script to detect motion using an Arduino and a motion sensor.

• Host: GitHub
• URL: https://github.com/codeadamca/arduino-motion-sensor
• Owner: codeadamca
• Created: 2020-10-04T20:51:44.000Z (over 4 years ago)
• Default Branch: main
• Last Pushed: 2025-01-26T22:04:41.000Z (5 months ago)
• Last Synced: 2025-01-26T23:18:03.792Z (5 months ago)
• Topics: arduino, cplusplus, motion-sensor
• Language: C++
• Homepage:
• Size: 98.6 KB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Arduino and a Motion Sensor

A basic example of reacting to the status of a motion sensor using an Arduino and the built-in LED.

## Arduino Code

Open up [Arduino Create](https://create.arduino.cc/editor/) and add the following code:

```csharp

// Define a variable to store the pin number

int motionPin = 2;

// The setup function runs once when you press reset or power the board

void setup(){

  Serial.begin(9600);

  pinMode(motionPin, INPUT);

  pinMode(LED_BUILTIN, OUTPUT);

}

// The loop function runs over and over again forever

void loop (){

  // Add a delay between each loop

  delay(1000);

  // Fetch the current motion sensor status

  int motionResult = digitalRead(motionPin);

  // Output the current motion sensor result

  Serial.println(motionResult);

  // Turn the bulit-in LED on or off based on the motino sensor status

  if (motionResult == HIGH) {

    digitalWrite(LED_BUILTIN, HIGH);

  } else {

    digitalWrite(LED_BUILTIN, LOW);

  }

}

```

> [View the Arduino code on Arduino Create](https://create.arduino.cc/editor/professoradam/67d42c97-02ab-4f79-9f4b-fd4c3e68fd5c/preview)

You will need to setup the following circuit using your Arduino:

![Tinkercad Circuit](_readme/tinkercad-motion-sensor.png)

> [View the Circuit on Tinkercad](https://www.tinkercad.com/things/jDkGCF2jfv1)

> Full tutorial URL:  

> https://codeadam.ca/learning/arduino-motion-sensor.html

***

## Repo Resources

- [Arduino Create](https://create.arduino.cc/editor)