#include <Arduino.h>

#define IO_out20mA      36
#define IO_inADC        39
#define IO_ledWifi      34
#define IO_led1000mA    35
#define IO_led200mA     32
#define IO_led20mA      33
#define IO_ledAuto      25
#define IO_ledOpen      26
#define IO_ledOK        27
#define IO_ledError     14
#define IO_in400mE      12
#define IO_buzzer       13
#define IO_inOV         15
#define IO_in200mE       2
#define IO_butAuto       4
#define IO_inOc         16
#define IO_but1000mA    17
#define IO_but20mA       5
#define IO_but200mA     18
#define IO_out1000mA    19
#define IO_i2cSDA       21
#define IO_RX            3
#define IO_TX            1
#define IO_i2cSDC       22
#define IO_out200mA     23

void setup() {
  // put your setup code here, to run once:
  pinMode(IO_buzzer, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  while(1)
  {
    digitalWrite(IO_buzzer, HIGH); // sets the digital pin 13 on
    delay(100);            // waits for a second
    digitalWrite(IO_buzzer, LOW);  // sets the digital pin 13 off
    delay(1000);            // waits for a second
  }
}