Keyestudio Smart Little Turtle Robot V3 Manual page 209

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break;
case 'L': car_left();
myMatrix.clear();
myMatrix.writeDisplay();
matrix_display(matrix_left2);
break;
case 'R': car_right();
myMatrix.clear();
myMatrix.writeDisplay();
matrix_display(matrix_right2);
break;
case 'S': car_Stop();
myMatrix.clear();
myMatrix.writeDisplay();
matrix_display(matrix_stop2);
break;
}
}
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