#define LED_W 19
#define LED_R 23
#define LED_Y 27
#define LED_G 32
void setup() {
pinMode(LED_G, OUTPUT);
pinMode(LED_Y, OUTPUT);
pinMode(LED_R, OUTPUT);
pinMode(LED_W, OUTPUT);
Serial.begin(115200);
Serial.println(__FILE__);
}
void loop() {
int nLeds[] = {LED_G, LED_Y, LED_R, LED_W};
static int nCmpt = 0;
Serial.println("GPIO-"+String(nLeds[nCmpt]));
digitalWrite(nLeds[nCmpt], HIGH);
delay(500);
digitalWrite(nLeds[nCmpt], LOW);
delay(500);
nCmpt = (nCmpt < 3) ? nCmpt+1 : 0;
}