File content as of revision 1:d8d13815a008:

#include "mbed.h"
 
Serial pc(USBTX, USBRX); // tx, rx
PwmOut led(LED1);
 
float brightness = 0.0;
 
int main() {
    pc.printf("Press '^' to turn LED1 brightness up, 'v' to turn it down\n");
 
    while(1) {
        char a = pc.getc(); //a is a single value taken from the last cahracter from the input stream (stdin)- the keyboard
        pc.putc(a); //Outputs the character C on the stdout - TeraTerm in this case - Prints input from keyboard
        
        
        if((a == '^') && (brightness < 0.5)) { //Code unly increases to LEDs 50% LEDs max capacity as not to risk damaging the device 
            brightness += 0.01; //increases brigness up in increaments of 0.01 - 50 total
            led = brightness;
        }
        //if((a == 'v') && (brightness > 0.0)) {
            brightness -= 0.01;
            led = brightness;
        } 
 
    }