Keyestudio Ks0428 Manual page 188

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analogWrite(MR_PWM,200);
digitalWrite(ML_Ctrl,HIGH);
analogWrite(ML_PWM,200);
}
void Car_right()
{
digitalWrite(MR_Ctrl,HIGH);
analogWrite(MR_PWM,200);
digitalWrite(ML_Ctrl,LOW);
analogWrite(ML_PWM,200);
}
void Car_Stop()
{
digitalWrite(MR_Ctrl,LOW);
analogWrite(MR_PWM,0);
digitalWrite(ML_Ctrl,LOW);
analogWrite(ML_PWM,0);
}
/******************dot matrix********************/
// the function for dot matrix display
void matrix_display(unsigned char matrix_value[])
{
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