#include "mbed.h"
AnalogOut Aout(p18); //create an analog output on pin 18
int main() {
 while(1) {
 Aout=0; // 0*3.3V = 0V
 wait(0.0001);
 Aout=0.1; // 0.1*3.3V = 0.33V
 wait(0.0001);
 Aout=0.2; // 0.2*3.3V = 0.66V
 wait(0.0001);
 Aout=0.3; // 0.3*3.3V = 0.99V
 wait(0.0001);
 Aout=0.4; // 0.4*3.3V = 1.32V
 wait(0.0001);
 Aout=0.5; // 0.5*3.3V = 1.65V
 wait(0.0001);
 Aout=0.6; // 0.6*3.3V = 1.98V
 wait(0.0001);
 Aout=0.7; // 0.7*3.3V = 2.31V
 wait(0.0001);
 Aout=0.8; // 0.8*3.3V = 2.64V
 wait(0.0001);
 Aout=0.9; // 0.9*3.3V = 2.97V
 wait(0.0001);
  }
}