Il circuito

File content as of revision 1:25052aedb239:

/****************************************************
*            FAST PROTOTYPING WITH NUCLEO           *
* Example Code 06: Variable resistor                *
* Author: Mauro D'Angelo                            *
* Organization: STMicroelectronics                  *  
*****************************************************/

#include "mbed.h"

// Instanzia un oggetto di tipo AnalogIn che chiamo analog_value, e lo assegna al pin A0 
AnalogIn analog_value(A0);
 
DigitalOut led(LED1);

int main() {
    float meas;
    
    while(1) {
        meas = analog_value.read(); // It reads the analog input value (value from 0.0 to 1.0)
        meas = meas * 3300; // Change the value to be in the 0 to 3300 range
        printf("measure = %.2f mV\r\n", meas);
        if (meas > 2000) { // If the value is greater than 2V then switch the LED on
          led = 1;
        }
        else {
          led = 0;
        }
        wait(0.2); // 200 ms
    }
}