Steren ARD-020 Manual De Instrucciones página 53

Program
int value = 0; // a variable that contains the value to get analog input terminal
int motor = 10; // motor connected to PIN 10
void setup(){ // Not necessary
void loop(){
for(value = 0; value <= 255; value +=5){
//generates a ramp of voltage from 0 to 255, i.e. from 0 to 5v
analogWrite (motor, value);
delay (30); // wait 30 ms to make the effect visible
}
for(value = 255; value >=0; value-=5){
// a down ramp from 255 to 0 voltage is generated that is 5 to 0v
analogWrite (motor, value);
delay (30);
}
}
Installation variant: using a potentiometer as speed control.
To control the speed to our liking, i.e. using a potentiometer which is placed in
one of the analog inputs and based on the value that is read at the input, so the
motor rotates more or less fast.
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