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====== Branchium Aquae =====
==== Sebastian Andres & Raphael Wäspi ====
==== Idee und Fernziel: ====
Bau eines Feuchtigkeitsmessinstruments, welches bei einer gewissen Feuchtigkeit automatisch die Pflanze bewässert

==== Minimalprojekt: ====

Bau eines Feuchtigkeitsmessinstruments, welches bei einer gewissen Feuchtigkeit automatisch die Pflanze bewässert


===== Bericht: =====
==== Material: ====
  Arduino
  MicroServo SG90
  4-digit 7-segment display
  Soil Moisture Sensor YL-69
==== Aufbau: ====
https://www.intorobotics.com/tutorial-how-to-control-the-tower-pro-sg90-servo-with-arduino-uno/

https://github.com/avishorp/TM1637/releases/tag/v1.1.0

https://randomnerdtutorials.com/guide-for-soil-moisture-sensor-yl-69-or-hl-69-with-the-arduino/

==== Code: ==== 
<code c++>
  #include <Servo.h>
  #include <TM1637Display.h>
  int servoPin = 9;
  const int CLK = 12; //Set the CLK pin connection to the display
  const int DIO = 11; //Set the DIO pin connection to the display
  Servo servo; 
  int rainPin = A0;
  int greenLED = 6;
  int redLED = 7;
  int yellowLED = 4;
  // you can adjust the threshold value
  int thresholdValue = 700;
  int servoAngle = 0;   // servo position in degrees
  int NumStep = 0;  //Variable to interate
  TM1637Display display(CLK, DIO);  //set up the 4-Digit Display.

  void setup(){
  pinMode(rainPin, INPUT);
  pinMode(greenLED, OUTPUT);
  pinMode(redLED, OUTPUT);
  pinMode(yellowLED, OUTPUT);
  digitalWrite(greenLED, LOW);
  digitalWrite(redLED, LOW);
  digitalWrite(yellowLED, LOW);
  Serial.begin(9600);
  servo.attach(servoPin);
  display.setBrightness(0x0a);  //set the diplay to maximum brightness
  }

  void loop() {
  // read the input on analog pin 0:
  int sensorValue = analogRead(rainPin);
  Serial.print(sensorValue);
  if(sensorValue > thresholdValue-100 && sensorValue < thresholdValue){
    Serial.println(" - Bald Wasser geh");
    digitalWrite(redLED, LOW);
    digitalWrite(greenLED, LOW);
    digitalWrite(yellowLED, HIGH);
    display.showNumberDec(sensorValue); //Display the Variable value;
    delay(500);
  }
  else if(sensorValue < thresholdValue){
    Serial.println(" - Gnueg nass");
    digitalWrite(redLED, LOW);
    digitalWrite(greenLED, HIGH);
    digitalWrite(yellowLED, LOW);
    display.showNumberDec(sensorValue); //Display the Variable value;
    delay(500);
    servo.detach();
    
    
  }
   else if (sensorValue > thresholdValue){
    servo.attach(servoPin);
    Serial.println(" - Gib Wasser!");
    digitalWrite(redLED, HIGH);
    digitalWrite(greenLED, LOW);
    digitalWrite(yellowLED, LOW);
    display.showNumberDec(sensorValue); //Display the Variable value;
    delay(500);
    servo.write(1);
    delay(2000);
    for (int i=1; i<136; i++) {
      servo.write(i);
      delay(10); 
    }
    servo.write(135);
   
  }
  
  delay(60000);
  }

</code>   

==== Servobox: ==== 
{{ :efinf:blc2016:bu1:projekt1:servobox-blc.svg |}} 

Rest (Achtung: Sevobox ersetzen): {{ :efinf:blc2016:bu1:projekt1:grundplatte-blc.svg |}}


==== Fazit: ====

Dieses Projekt haben wir in 4 Tagen beendet.

==== Fotos und Film: ====