if(direction_m==1)

{digitalWrite(7,HIGH);

// pin 7 controls M1 rotary direction

analogWrite(6,speed_m);//pin 6 controls M2 rotation speed

}

else

{digitalWrite(7,LOW);

analogWrite(6,speed_m);

}

}

}

void loop() {

motor_c( 0,0,127 );// M1 rotate in clockwise of 127 component velocity(total

as 225)

motor_c( 1,0,127 );// M1 rotate in clockwise of 127 component velocity(total

as 225)

delay(5000);

//delay for 5s

motor_c( 0,1,200 );// M1 rotate in counter-clockwise of 200 component veloci

ty(total as 225)

motor_c( 1,1,200 );// M2 rotate in counter-clockwise of 200 component veloci

ty(total as 225)

delay(5000);

//delay for 5s

}