pot.c

#include <ModmataC.h>
 
int main() {
    //  start serial connection with arduino, given a port and baud rate
    connectArduino("/dev/ttyACM0", 115200, 1);
 
    int value = -1;
    int led_val = 0;
    pinMode(13, OUTPUT);
 
    while(1) {
        value = analogRead(18) / 4;
        if(value != led_val) {
                    led_val = value;
                    analogWrite(13, led_val);
            }
                printf("%i\n", value);
    }   
}