void brakeForGoAhead() {
for (int i = 3; i > 0; i--) {
md.setBrakes(370, 400);
//motor not start at the same time
//not stop at the same time
//make right motor skip a bit
//to be same as left motor
}
}
void brakeForRotation() {
for (int i = 3; i > 0; i--) {
md.setBrakes(400, 400);
}
}