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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);
+}