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diff --git a/libraries/Robot_Control/examples/learn/SpeedByPotentiometer/SpeedByPotentiometer.ino b/libraries/Robot_Control/examples/learn/SpeedByPotentiometer/SpeedByPotentiometer.ino
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--- a/libraries/Robot_Control/examples/learn/SpeedByPotentiometer/SpeedByPotentiometer.ino
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-/*
- Speed by Potentiometer
-
- Control the robot's speed using the on-board
- potentiometer. The speed will be printed on
- the TFT screen.
-
- Circuit:
- * Arduino Robot
-
- created 1 May 2013
- by X. Yang
- modified 12 May 2013
- by D. Cuartielles
-
- This example is in the public domain
- */
-
-#include <ArduinoRobot.h>
-
-void setup() {
- // initialize the robot
- Robot.begin();
-
- // initialize the screen
- Robot.beginTFT();
-}
-
-void loop() {
- // read the value of the potentiometer
- int val=map(Robot.knobRead(), 0, 1023, -255, 255);
-
- // print the value to the TFT screen
- Robot.debugPrint(val);
-
- // set the same speed on both of the robot's wheels
- Robot.motorsWrite(val,val);
- delay(10);
-}