Keyestudio Ks0428 Manual page 233

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case 'B': //Back instruction
Car_back();
matrix_display(back); // display back pattern
break;
case 'L': //left-turning instruction
Car_left();
matrix_display(left); //show left-turning pattern
break;
case 'R': //right-turning instruction
Car_right();
matrix_display(right); //show right-turning pattern
break;
case 'S': //stop instruction
Car_Stop();
matrix_display(STOP01); //display stop pattern
break;
case 'Y':
matrix_display(start01); //show start pattern
follow();
break;
case 'U':
matrix_display(start01); //show start pattern
avoid();
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