Water level sensor

• TOSEI says:

  May 6, 2020 at 11:44 pm

  TEST　OK.

  >>HARDWARE :
  Osoyoo UNO Board (Fully compatible with Arduino UNO rev.3) x 1
  Breadboard x 1
  Water level Sensor x 1
  M/M jumpers
  USB Cable x 1
  PC x 1

  >>Pin Definitions :
  ＋ : 3.3V-5V ⇔ UNO 5V
  － : The Ground　⇔　UNO GND
  S : I/O Interface of Sensor　⇔　UNO PIN A0

  >>Mixly source :
  volatile int val;

  void setup()

  {

  Serial.begin(9600);

  val = 0;

  pinMode(13, OUTPUT);

  }

  void loop()

  {

  val = analogRead(A0);

  if (val > 200) {

  digitalWrite(13,HIGH);

  } else {

  digitalWrite(13,LOW);

  }

  Serial.print(“Current value is : “);

  Serial.print(val);

  Serial.println(” “);

  delay(100);

  }

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