int motor1Pin1 = 27;
int motor1Pin2 = 26;
int enable1Pin = 14; 
const int freq = 30000;
const int pwmChannel = 0;
const int resolution = 8;
int dutyCycle = 200;
bool flag = 0;
int bt1 = 23;
int bt2 = 22;
int desliga = 21;
bool estadobt1=0;
bool estadobt2=0;
bool estadoD =0;

void setup() 
{

  pinMode(motor1Pin1, OUTPUT);
  pinMode(motor1Pin2, OUTPUT);
  pinMode(enable1Pin, OUTPUT);
  pinMode(bt1, INPUT);
  pinMode(bt2, INPUT);
  pinMode(desliga, INPUT);

  
  ledcSetup(pwmChannel, freq, resolution);
  ledcAttachPin(enable1Pin, pwmChannel);
  Serial.begin(115200);
  Serial.println("Testing DC Motor...");
}

void loop() 
{
  flag=!flag;

  estadobt1 = digitalRead(bt1);
  estadobt2 = digitalRead(bt2);
  estadoD = digitalRead(desliga);

  if ( estadobt1 == 1 )
  {
  Serial.println("Horário");
  digitalWrite(motor1Pin1, 0);
  digitalWrite(motor1Pin2, 1);
  delay(500);
  }

  if (estadobt2 == 1)
  {
  Serial.println("Antihorário");
  digitalWrite(motor1Pin1, 1);
  digitalWrite(motor1Pin2, 0);
  delay(500);
  }

  if ( estadoD == 1 )
  {
  Serial.println("Motor parado");
  digitalWrite(motor1Pin1, 0);
  digitalWrite(motor1Pin2, 0);
  delay(1000);
  }
}