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- // Program pengontrol lampu taman otomatis dengan Arduino
- // Deklarasi variabel
- int sensor_cahaya = A0;
- int relay = 13;
- // Setup
- void setup() {
- // Konfigurasikan pin Arduino
- pinMode(sensor_cahaya, INPUT);
- pinMode(relay, OUTPUT);
- }
- // Loop
- void loop() {
- // Baca nilai sensor cahaya
- int nilai_cahaya = analogRead(sensor_cahaya);
- // Jika pencahayaan gelap, nyalakan lampu
- if (nilai_cahaya < 100) {
- digitalWrite(relay, HIGH);
- }
- // Jika pencahayaan terang, matikan lampu
- else {
- digitalWrite(relay, LOW);
- }
- // Tunda 1 detik
- delay(1000);
- }
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