/* Sweep
  by BARRAGAN <http://barraganstudio.com>
  This example code is in the public domain.

  modified 28 May 2015
  by Michael C. Miller
  modified 8 Nov 2013
  by Scott Fitzgerald

  http://arduino.cc/en/Tutorial/Sweep
*/

#include <Servo.h>

Servo linkeAugenbraue;
Servo rechteAugenbraue;  // create servo object to control a servo
// twelve servo objects can be created on most boards



void setup() {
  rechteAugenbraue.attach(D1);
  linkeAugenbraue.attach(D4);         // attaches the servo on GIO2 to the servo object
  pinMode(D2, INPUT_PULLUP);
  pinMode(D3, INPUT_PULLUP);

  Serial.begin(9600);
}

void loop() {
  if (istTasterGedrueckt(D2)) {
    for(int i = 0; i<= 90; i++){
      rechteAugenbraue.write(i);
      linkeAugenbraue.write(i);
    }
    
    Serial.println("Vorwärts");
    debug();
  }
  if (istTasterGedrueckt(D3)) {
    for(int i = 90; i>= 0; i--){
      rechteAugenbraue.write(i);
      linkeAugenbraue.write(i);
    }
    Serial.println("Rückwärts");
    debug();
  }

  //debug();
  
}
void debug(){
  Serial.write("Spannung auf linker Augenbraue: ");
  Serial.println(D4);
  Serial.write("Spannung auf rechter Augenbraue: ");
  Serial.println(D1);
  delay(200);
}
bool istTasterGedrueckt(int taster) {
  return digitalRead(taster) == LOW;
}