PELATIHAN INTERNET OF THING (IoT) SEAMOLEC (4 LED DENGAN 1 BUTTON)

void setup() { // put your setup code here, to run once: Serial.begin(115200); pinMode(2, INPUT); pinMode(23, OUTPUT); pinMode(22, OUTPUT); pinMode(19, OUTPUT); pinMode(18, OUTPUT); Serial.println("Hello, ESP32!"); } int on_off = 0; void loop() { // put your main code here, to run repeatedly: int nilai = digitalRead(2); //Serial.println(nilai); if(nilai == 1) { on_off++; Serial.println(on_off); if (on_off == 1) { digitalWrite(23, HIGH); digitalWrite(22, HIGH); digitalWrite(19, HIGH); digitalWrite(18, HIGH); }else if (on_off ==2){ digitalWrite(23, LOW); digitalWrite(22, LOW); digitalWrite(19, LOW); digitalWrite(18, LOW); } else { digitalWrite(23, LOW); digitalWrite(22, LOW); digitalWrite(19, LOW); digitalWrite(18, LOW); on_off = 0; } } //delay(1000); // this speeds up the simulation }