Pull-down rotary encoder

#include <CtrlEnc.h> // Define an onTurnleft handler.void onTurnleft() {  Serial.println("Pull-down rotary encoder turn left");} // Define an onTurnRight handler.void onTurnRight() {  Serial.println("Pull-down rotary encoder turn right");} /*  Create an encoder with:  - clk signal pin.  - dt signal pin.  - onTurnleft handler.  - onTurnRight handler. */CtrlEnc encoder(2, 3, onTurnleft, onTurnRight); void setup() {  Serial.begin(9600);  // For this example we use a board with internal pull-down resistors:  encoder.setPinMode(INPUT_PULLDOWN);  // If your board does not support that, you can use external   // pull-down resistors. In that case you call the following method:  // encoder.setPinMode(INPUT, PULL_DOWN);} void loop() {  // Handle all rotary encoder functionality.  encoder.process();}