// Define the pins used for the motor control and speed
const int speedPin = 11;
const int dir1 = 9;
const int dir2 = 10;

// Define the pins used for the push buttons
const int speedButtonPin = 3;
const int directionButtonPin = 4;

// Define variables for the motor speed and direction
int motorSpeed = 0;
int motorDirection = 1;  // 1 = forward, -1 = backward

// Define variables to store the state of the push buttons
int speedButtonState = 0;
int directionButtonState = 0;
int lastSpeedButtonState = 0;
int lastDirectionButtonState = 0;

void setup() {
  // Initialize the serial communication and set pin modes
  Serial.begin(9600);
  pinMode(speedPin, OUTPUT);
  pinMode(dir1, OUTPUT);
  pinMode(dir2, OUTPUT);
  pinMode(speedButtonPin, INPUT_PULLUP);
  pinMode(directionButtonPin, INPUT_PULLUP);
}

void loop() {
  // Read the state of the push buttons
  speedButtonState = digitalRead(speedButtonPin);
  directionButtonState = digitalRead(directionButtonPin);
  
  // Check if the speed button has been pressed
  if (speedButtonState != lastSpeedButtonState) {
    if (speedButtonState == LOW) {
      // Toggle the motor speed between 0 and 255
      if (motorSpeed == 0) {
        motorSpeed = 255;
      } else {
        motorSpeed = 0;
      }
    }
    // Remember the current state of the speed button
    lastSpeedButtonState = speedButtonState;
  }
  
  // Check if the direction button has been pressed
  if (directionButtonState != lastDirectionButtonState) {
    if (directionButtonState == LOW) {
      // Toggle the motor direction between forward and backward
      motorDirection = -motorDirection;
    }
    // Remember the current state of the direction button
    lastDirectionButtonState = directionButtonState;
  }
  
  // Set the motor direction
  if (motorDirection == 1) {
    digitalWrite(dir1, LOW);
    digitalWrite(dir2, HIGH);
  } else {
    digitalWrite(dir1, HIGH);
    digitalWrite(dir2, LOW);
  }
  
  // Set the motor speed
  analogWrite(speedPin, motorSpeed);
  
  // Print the current motor speed and direction to the serial monitor
  Serial.print("Motor speed: ");
  Serial.print(motorSpeed);
  Serial.print(", Motor direction: ");
  if (motorDirection == 1) {
    Serial.println("Forward");
  } else {
    Serial.println("Backward");
  }
  
  // Delay for a short period of time before repeating the loop
  delay(100);
}