Keyestudio Smart Little Turtle Robot V3 Manual page 139

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100
//left
delay(2000);//delay in 2000ms
digitalWrite(ML_Ctrl,LOW);//set the direction control pin of A motor to
LOW level
analogWrite(ML_PWM,100);//100 set the PWM control speed of A motor
to 100
digitalWrite(MR_Ctrl,HIGH);//set the direction control pin of B motor to
HIGH level
analogWrite(MR_PWM,100);//set the PWM control speed of B motor to
100
//right
delay(2000);//delay in 2000ms
analogWrite(ML_PWM,0);//set the PWM control speed of A motor to 0
analogWrite(MR_PWM,0);// set the PWM control speed of B motor to 0
//stop
delay(2000);//delay in 2000ms
}
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