25/06/2015
DFRduino Beginner Kit For Arduino V3 SKU:DFR0100 Robot Wiki
http://www.dfrobot.com/wiki/index.php/DFRduino_Beginner_Kit_For_Arduino_V3_SKU:DFR0100
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11.Interact with Servo
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/*
Interact with Servo
Controlling a servo position using a potentiometer (variable resistor)
by Michal Rinott <http://people.interaction‐ivrea.it/m.rinott>
*/
#include <Servo.h>
Servo myservo; // create servo object to control a servo
int
potpin = 0; // analog pin used to connect the potentiometer
int
val; // variable to read the value from the analog pin
void
setup() {
myservo.attach(9); // attaches the servo on pin 9 to the servo object
}
void
loop() {
val = analogRead(potpin); // reads the value of the potentiometer (value between 0 and
1023)
val = map(val, 0, 1023, 0, 179); // scale it to use it with the servo (value between 0 and
180)
myservo.write(val); // sets the servo position according to the scaled value
delay(15); // waits for the servo to get there
}
