#include <Servo.h>

Servo MotorBR;
Servo MotorBL;
Servo MotorMU;
Servo MotorMD;
Servo MotorCR;
Servo MotorCL;

void setup()
{
  Serial.begin(9600);

  pinMode(7, INPUT);
  Serial.println("Hello, Raspberry Pi Pico!");
  MotorBR.attach(3);
  MotorBL.attach(5);
  MotorMU.attach(9);
  MotorMD.attach(6);
  MotorCR.attach(10);
  MotorCL.attach(11);
 
  MotorBR.write(0);
  MotorBL.write(0);
  MotorMU.write(0);
  MotorMD.write(0);
  MotorCR.write(0);
  MotorCL.write(0);
}

void loop()
{
   int button=LOW;
while(Serial.available() > 0)
  {
    char msj=' ';
  	int num =0;
//  if(Serial.available())
//  {
    msj=Serial.read();
    Serial.println(msj);
 // }
 if(msj=='a')
 {
   for (num;num<=180; num=num+5)
   {
  MotorBR.write(num);
      MotorBL.write(num);
     delay(20);
   }
   button = digitalRead(7);
   while(button == LOW)
   {
     button = digitalRead(7);
   }
   
   for (num; num>=0;num=num-5)
   {
     MotorBR.write(num);
      MotorBL.write(num);
     delay(20);
    }
   }
 if(msj=='e')
 {
   for (num;num<=70; num=num+5)
   {
  	 MotorBR.write(num);
     MotorBL.write(num);
     MotorCR.write(num);
     MotorCL.write(num);
     delay(20);
   }
   button = digitalRead(7);
   while(button == LOW)
   {
     button = digitalRead(7);
   }
   
   for (num; num>=0;num=num-5)
   {
     MotorBR.write(num);
     MotorBL.write(num);
     MotorCR.write(num);
     MotorCL.write(num);
     delay(20);
    }
   }
  if(msj=='i')
 {
   for (num;num<=30; num=num+5)
   {
  	 MotorBR.write(num);
     MotorBL.write(num);
     MotorCR.write(num);
     MotorCL.write(num);
     delay(20);
   }
   button = digitalRead(7);
   while(button == LOW)
   {
     button = digitalRead(7);
   }
  
   for (num; num>=0;num=num-5)
   {
     MotorBR.write(num);
     MotorBL.write(num);
     MotorCR.write(num);
     MotorCL.write(num);
     delay(20);
    }
   }
  if(msj=='o')
 {
   for (num;num<=110; num=num+5)
   {
  	 
  	 MotorBR.write(num);
     MotorBL.write(num);
     MotorMU.write(num);
     MotorMD.write(num);
     delay(20);
   }
   button = digitalRead(7);
   while(button == LOW)
   {
     button = digitalRead(7);
   }
   
   for (num; num>=0;num=num-5)
   {
     MotorBR.write(num);
     MotorBL.write(num);
     MotorMU.write(num);
     MotorMD.write(num);
     delay(20);
    }
   }
  if(msj=='u')
 {
   for (num;num<=180; num=num+5)
   {
  	 MotorMU.write(num);
     MotorMD.write(num);
     delay(20);
   }
   button = digitalRead(7);
   while(button == LOW)
   {
     button = digitalRead(7);
   }
   Serial.println(button);
   for (num; num>=0;num=num-5)
   {
     MotorMU.write(num);
     MotorMD.write(num);
     delay(20);
    }
   }
  
 
}
}