65 lines
1.1 KiB
Arduino
65 lines
1.1 KiB
Arduino
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#define ADC_PIN A0
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#define RELAY_PIN 13
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#define RELAY_OFF LOW
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#define RELAY_ON HIGH
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#define NUM_SAMPLES 20
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#define SAMPLE_TIME 100
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#define WATER_THRESHOLD 750
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bool leakDetected = false;
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void relayOn() {
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Serial.println("Setting relay ON");
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digitalWrite(RELAY_PIN, RELAY_ON);
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}
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void relayOff() {
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Serial.println("Setting relay OFF");
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digitalWrite(RELAY_PIN, RELAY_OFF);
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}
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bool sampleWater() {
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bool waterDetected = true;
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Serial.print("Samples: ");
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for (int i = 0; i < NUM_SAMPLES; i++) {
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int sample = analogRead(ADC_PIN);
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Serial.print(sample);
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Serial.print(",\t");
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if (sample < WATER_THRESHOLD) {
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waterDetected = false;
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}
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delay(SAMPLE_TIME);
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}
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Serial.println(waterDetected ? "POS" : "NEG");
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return waterDetected;
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}
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void setup() {
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Serial.begin(115200);
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//Serial.setDebugOutput(true);
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Serial.println();
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Serial.println();
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Serial.println();
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Serial.println("===== BOOT UP =====");
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pinMode(RELAY_PIN, OUTPUT);
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relayOn();
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}
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void loop() {
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if (sampleWater()) {
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Serial.println("Water detected");
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relayOff();
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} else {
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Serial.println("No water");
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}
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}
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