pull down resistor arduino code example

Example 1: arduino internal pull up resistor

pinMode(2,INPUT_PULLUP);

Example 2: arduino internal pull up resistor

Serial.println(sensorValue, DEC);

Example 3: arduino internal pull up resistor

pinMode(13, OUTPUT);

Example 4: arduino internal pull up resistor

Serial.begin(9600);

Example 5: arduino internal pull up resistor

int sensorValue = digitalRead(2);