Merge pull request #1036 from deedGhost/main

Line Follower Robot using Arduino #996

IOT(Internet of Things)/Basic/Arduino_Line_Follower_Robot/code.ino/code.ino.ino

@@ -0,0 +1,82 @@
+#define LEFT_SENSOR 3  // pin connected to the left sensor
+#define RIGHT_SENSOR 4 // pin connected to the right sensor
+
+#define Motor14 1  // pin connected to motor 1 (control pin 1)
+#define Motor15 0  // pin connected to motor 1 (control pin 2)
+#define Motor17 5  // pin connected to motor 2 (control pin 1)
+#define Motor18 6  // pin connected to motor 2 (control pin 2)
+
+void setup() {
+  // Set Timer 0 for PWM (Pulse Width Modulation) used for motor speed control
+  TCCR0B = TCCR0B & B11111000 | B00000010;
+
+  // Start serial communication for debugging (optional)
+  Serial.begin(9600);
+
+  // Set sensor pins as inputs
+  pinMode(LEFT_SENSOR, INPUT);
+  pinMode(RIGHT_SENSOR, INPUT);
+
+  // Set motor control pins as outputs
+  pinMode(Motor14, OUTPUT);
+  pinMode(Motor15, OUTPUT);
+  pinMode(Motor17, OUTPUT);
+  pinMode(Motor18, OUTPUT);
+}
+
+void loop() {
+  int leftSensorValue = analogRead(LEFT_SENSOR);  // Read analog value from left sensor
+  int rightSensorValue = analogRead(RIGHT_SENSOR); // Read analog value from right sensor
+
+  // Print sensor readings for debugging (optional)
+  Serial.print("LEFT_SENSOR = ");
+  Serial.println(leftSensorValue);
+
+  Serial.print("RIGHT_SENSOR = ");
+  Serial.println(rightSensorValue);
+
+  // Call the rotation function to control motor movement based on sensor readings
+  rotation(leftSensorValue, rightSensorValue);
+}
+
+void rotation(int leftValue, int rightValue) {
+  // Forward (both sensors see white - high sensor readings)
+  if (leftValue >= 800 && rightValue >= 800) {
+    digitalWrite(Motor14, HIGH);
+    digitalWrite(Motor15, LOW);
+    digitalWrite(Motor17, HIGH);
+    digitalWrite(Motor18, LOW);  // Set motors to move forward
+  }
+
+  // Right turn (left sensor sees black - low sensor reading, right sensor sees white)
+  else if (leftValue <= 800 && rightValue >= 800) {
+    digitalWrite(Motor14, LOW);
+    digitalWrite(Motor15, HIGH);
+    digitalWrite(Motor17, HIGH);
+    digitalWrite(Motor18, LOW);  // Set motors to turn right
+  }
+
+  // Left turn (left sensor sees white, right sensor sees black)
+  else if (leftValue >= 800 && rightValue <= 800) {
+    digitalWrite(Motor14, HIGH);
+    digitalWrite(Motor15, LOW);
+    digitalWrite(Motor17, LOW);
+    digitalWrite(Motor18, HIGH);  // Set motors to turn left
+  }
+
+  // Stop (both sensors see black - low sensor readings)
+  else {
+    digitalWrite(Motor14, LOW);
+    digitalWrite(Motor15, LOW);
+    digitalWrite(Motor17, LOW);
+    digitalWrite(Motor18, LOW);  // Stop motors
+    delay(400);                   // Wait for 400 milliseconds
+
+    // Short forward movement to help escape from a centered position
+    digitalWrite(Motor14, HIGH);
+    digitalWrite(Motor15, LOW);
+    digitalWrite(Motor17, HIGH);
+    digitalWrite(Motor18, LOW);  // Short forward movement
+    delay(400);                   // Wait for 400 milliseconds
+  }
+}

IOT(Internet of Things)/Basic/Arduino_Line_Follower_Robot/readme.md

@@ -0,0 +1,13 @@
+# Line Follower Robot using Arduino
+
+-> This project involves creating a line-following robot using an Arduino microcontroller. 
+
+-> The robot follows a predefined path or line on the ground using infrared sensors to detect the line and make necessary adjustments in its movement.
+
+# Circuit Diagram
+[Image](Images/circuit.png.png)
+
+# Demonstration [Video](https://geuac-my.sharepoint.com/:v:/g/personal/21022109_geu_ac_in/EXHbhFVZHbhPhkgSunn_W1EB5jz8xyH8o5IU7j8TXhfC2Q)
+
+# Implementation [Video](https://geuac-my.sharepoint.com/:v:/g/personal/21022109_geu_ac_in/EfzswFv9-M1Nu_r0viun3TIBGBUgg-pNA1_6fYiQuPa0tA)
+

IOT(Internet of Things)/README.md

@@ -25,6 +25,7 @@
 | 13. | [Arduino PIR Motion Sensor](https://github.com/Kushal997-das/Project-Guidance/tree/main/IOT(Internet%20of%20Things)/Basic/Arduino_PIR_Motion_Sensor) | 14. | [Arduino RGB Mixing](https://github.com/Kushal997-das/Project-Guidance/tree/main/IOT(Internet%20of%20Things)/Basic/Arduino_RGB_Mixing)| 15. | [Arduino Serial Monitor](https://github.com/Kushal997-das/Project-Guidance/tree/main/IOT(Internet%20of%20Things)/Basic/Arduino_Serial_Monitor)
 | 16. | [Arduino Servo Motor](https://github.com/Kushal997-das/Project-Guidance/tree/main/IOT(Internet%20of%20Things)/Basic/Arduino_Servo_Motor) | 17. | [Arduino Stress Sensor](https://github.com/Kushal997-das/Project-Guidance/tree/main/IOT(Internet%20of%20Things)/Basic/Arduino_Stress_Sensor) | 18. | [Arduino Temperature Sensor](https://github.com/Kushal997-das/Project-Guidance/tree/main/IOT(Internet%20of%20Things)/Basic/Arduino_Temperature_Sensor) 
 | 19. | [Arduino Traffic Light Simulator](https://github.com/Kushal997-das/Project-Guidance/tree/main/IOT(Internet%20of%20Things)/Basic/Arduino_TrafficLight_Simulator) | 20. | [Arduino UltraSonic Sensor](https://github.com/Kushal997-das/Project-Guidance/tree/main/IOT(Internet%20of%20Things)/Basic/Arduino_UltraSonic_Sensor) | 21. | [Multi Arduino Knight Rider Lights](https://github.com/Kushal997-das/Project-Guidance/tree/main/IOT(Internet%20of%20Things)/Basic/Multi%20Arduino%20Knight%20Rider%20Lights)
+| 22. | [Arduino_Line_Follower_Robot](https://github.com/deedGhost/Project-Guidance/tree/main/IOT(Internet%20of%20Things)/Basic/Arduino_Line_Follower_Robot)
 
 ## Level 2: Intermediate 🚀