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29 lines
742 B
C++
29 lines
742 B
C++
// Sensor pins
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#define sensorPower D3 // Sensor D0
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#define sensorPin A0 // Sensor A0
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void setup() {
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pinMode(sensorPower, OUTPUT);
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// Initially keep the sensor OFF
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digitalWrite(sensorPower, LOW);
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Serial.begin(9600);
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}
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void loop() {
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//get the reading from the function below and print it
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Serial.print("Analog output: ");
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Serial.println(readSensor());
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delay(1000);
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}
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// This function returns the analog soil moisture measurement
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int readSensor() {
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digitalWrite(sensorPower, HIGH); // Turn the sensor ON
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delay(10); // Allow power to settle
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int val = analogRead(sensorPin); // Read the analog value form sensor
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digitalWrite(sensorPower, LOW); // Turn the sensor OFF
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return val; // Return analog moisture value
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} |