KY-036 Metal-touch sensor – Учебка DF

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/*
 * KY-036 Metal Touch Sensor (HW-494) — Arduino example
 * Reads the digital output (D0) to toggle the on-board LED, and prints
 * the analog output (A0) to the Serial Monitor / Plotter. Touching the
 * metal pin drives D0 HIGH and changes the analog reading.
 * Guide: https://arduinomodules.info/ky-036-metal-touch-sensor-module/
 */

int digitalPin = 7;   // KY-036 digital interface
int analogPin = A0;   // KY-036 analog interface
int ledPin = 13;      // Arduino LED pin
int digitalVal;       // digital readings
int analogVal;        // analog readings

void setup()
{
  pinMode(digitalPin, INPUT);
  pinMode(analogPin, INPUT);
  pinMode(ledPin, OUTPUT);
  Serial.begin(9600);
}

void loop()
{
  // Read the digital interface
  digitalVal = digitalRead(digitalPin);

  if (digitalVal == HIGH)
  {
    digitalWrite(ledPin, HIGH); // Turn ON Arduino's LED
  }
  else
  {
    digitalWrite(ledPin, LOW);  // Turn OFF Arduino's LED
  }

  // Read analog interface
  analogVal = analogRead(analogPin);
  Serial.println(analogVal);  // Print analog value to serial

  delay(100);
}

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