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a9536d3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | /*
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>
#include <Wire.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);
}
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