Keyestudio Smart Little Turtle Robot V3 Manual page 224

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else
{
car_Stop();
myMatrix.clear();
myMatrix.writeDisplay();
matrix_display(matrix_stop2);
}
if(Serial.available()>0)
{
BLE_val = Serial.read();
if(BLE_val == 'S')
{
track_flag = 1;
}
}
}
}
void servopulse(int servopin,int myangle)
{
for(int i=0;i<20;i++)
{
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