#include <Arduino.h>

void setup() {
    Serial.begin(115200);
    Serial.println("This script will help to find the on board LED or PIN connections in general.");
    for (int i = 12; i < 30; i++) {
        if (i == 7 || i == 8 || i == 9 || i == 10 || i == 11 || i == 12) continue;
        Serial.print("PIN set High: ");
        Serial.println(i);
        pinMode(i, OUTPUT);
        digitalWrite(i, HIGH);
        delay(1000);
    }
}
void loop() {}