ใบงานที่4
เซ็นเซอร์วัดความชื้นในดิน int sensorPin = A0; // select the input pin for the potentiometer int sensorValue = 0; // variable to store the value coming from the sensor void setup() { // declare the ledPin as an OUTPUT: Serial.begin(9600); } void loop() { // read the value from the sensor: sensorValue = analogRead(sensorPin); delay(1000); Serial.print("sensor = " ); Serial.println(sensorValue); }