int SOLE = 0; // PA4
int LEDA = 1; // PA5
int LEDB = 2; // PA6
int LEDC = 3; // PA7
int SPKR =  4; // PB5

void setup() {
  Serial.begin(115200);
  pinMode(SOLE, OUTPUT);
  pinMode(LEDA, OUTPUT);
  pinMode(LEDB, OUTPUT);
  pinMode(LEDC, OUTPUT);
  pinMode(SPKR, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:

  //
  digitalWrite(LEDA, HIGH);
  digitalWrite(LEDB, HIGH);
  digitalWrite(LEDC, HIGH);
  digitalWrite(SOLE, HIGH);
  delay(1000);


  //
  digitalWrite(LEDA, LOW);
  digitalWrite(LEDB, LOW);
  digitalWrite(LEDC, LOW);
  digitalWrite(SOLE, LOW);
  delay(1000);


}