Single Phase Voltage Sensor โมดูลวัดโวลต์ AC 220v สูงสุด 250VAC

ZMPT101B

มีตัวอย่างในหน้าสินค้าด้วยครับ 

const int analogInPin = A0;  // Analog input pin that the potentiometer is attached to

const int analogOutPin = 9; // Analog output pin that the LED is attached to

int sensorValue = 0;        // value read from the pot

int outputValue = 0;        // value output to the PWM (analog out)

void setup() {

  // initialize serial communications at 9600 bps:

  Serial.begin(9600); 

}

void loop() {

  // read the analog in value:

  sensorValue = analogRead(analogInPin);            

  // map it to the range of the analog out:

  outputValue = map(sensorValue, 0, 1023, 0, 255);  

  // change the analog out value:

  analogWrite(analogOutPin, outputValue);           

  // print the results to the serial monitor:

  Serial.print("sensor = " );                       

  Serial.print(sensorValue);      

  Serial.print("\t output = ");      

  Serial.println(outputValue);   

  // wait 2 milliseconds before the next loop

  // for the analog-to-digital converter to settle

  // after the last reading:

  delay(2);                     

}