Arduino-Development / libraries /Robot_Control /examples /learn /SpeedByPotentiometer /SpeedByPotentiometer.ino
| /* | |
| 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 | |
| */ | |
| 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); | |
| } | |