Add few files

Arduino/Challenge1_sensors/Challenge1_sensors.ino

@@ -0,0 +1,120 @@
+#include <dht.h>
+#include <U8g2lib.h>
+#include <Wire.h>
+#include <Arduino.h>
+#define SLAVE_ADDRESS 0x0b
+
+dht DHT;
+
+#define DHT11_PIN 9
+
+const int red = 7;
+const int green = 6;
+const int yellow = 5;
+
+// U8G2_SSD1306_128X32_UNIVISION_F_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE, /* clock=*/ A5, /* data=*/ A4);
+
+void setup(){
+  
+  pinMode(red, OUTPUT);
+  pinMode(green, OUTPUT);
+  pinMode(yellow, OUTPUT);
+  Serial.begin(9600);
+  // u8g2.begin();
+  Wire.begin(SLAVE_ADDRESS);
+  Wire.onRequest(sendtemperature);
+}
+
+float temperature(uint16_t pin){
+  float temp = 0;
+  int chk = DHT.read11(pin);
+  temp = DHT.temperature;
+  return  temp;
+}
+
+float humidity(uint16_t pin){
+  float hum = 0;
+  int chk = DHT.read11(pin);
+  hum = DHT.humidity;
+  return hum;
+}
+void set_state(uint8_t state){
+    digitalWrite(green,0);
+    digitalWrite(red,0);
+    digitalWrite(yellow,0);
+  switch (state){
+    case 0: digitalWrite(green,1); break;
+    case 1: digitalWrite(red,1); break;
+    case 2: digitalWrite(yellow,1); break;
+   default:;
+  }
+  
+}
+
+void print4plotter(float temp,float hum){
+  Serial.print("Temperatur:");
+  Serial.print(temp);
+  Serial.print(", Humidity:");
+  Serial.println(hum);
+}
+
+/*
+void print_screen_temp(float temp){
+  u8g2.clearBuffer();
+  u8g2.setFont(u8g2_font_unifont_t_symbols);
+  u8g2.setFontRefHeightExtendedText();
+  u8g2.setDrawColor(1);
+  u8g2.setFontPosTop();
+  u8g2.setFontDirection(0);
+  u8g2.drawStr( 0, 0, "Temperatur:");
+  char buff[6];
+  dtostrf(temp, 4, 2, buff);
+  u8g2.drawStr( 0, 18, buff);
+  u8g2.drawUTF8(40, 18, "°C");
+  u8g2.sendBuffer();
+}
+
+void print_screen_hum(float hum){
+  u8g2.clearBuffer();
+  u8g2.setFont(u8g2_font_unifont_t_symbols);
+  u8g2.setFontRefHeightExtendedText();
+  u8g2.setDrawColor(1);
+  u8g2.setFontPosTop();
+  u8g2.setFontDirection(0);
+  u8g2.drawStr( 0, 0, "Humidity:");
+  char buff[6];
+  dtostrf(hum, 4, 2, buff);
+  u8g2.drawStr( 0, 18, buff);
+  u8g2.drawUTF8(40, 18, "%");
+  u8g2.sendBuffer();
+}
+*/
+
+uint8_t converttemp(float temp){
+  temp += 75;
+  return round(temp);  
+}
+float gtemp = 0;
+
+void sendtemperature(){
+  uint8_t dat = converttemp(gtemp);
+  Wire.write(dat); 
+}
+uint32_t d_state = 0;
+uint32_t display_time=10000;
+uint32_t messure_time=100;
+void loop() {
+  for (int i=0; i< display_time/messure_time; i++){
+  float temp=temperature(DHT11_PIN);
+  float hum= humidity(DHT11_PIN);
+  print4plotter(temp,hum);
+  gtemp = temp;
+  if (temp<=0) set_state(0); // green
+  else if (temp <=40) set_state(2); // yellow
+  else set_state(1); // red
+  //if (d_state % 2) print_screen_temp(temp);
+  //else print_screen_hum(hum); 
+  delay(messure_time);
+  }
+  d_state ++;
+}

Arduino/challenge1_aktors/challenge1_aktors.ino

@@ -0,0 +1,83 @@
+#include <Servo.h>
+#include <Wire.h>
+#define Luefter 7
+#define Gasklappe 5 
+#define NotfallButton 4 
+
+Servo kuehlklappe; 
+
+void cooling(){
+  int pos; 
+  for (pos = 0; pos <= 180; pos += 1) { 
+    kuehlklappe.write(pos);           
+    delay(10);                       
+  }
+  delay(1000); 
+  for (pos = 180; pos >= 0; pos -= 1) {     
+    kuehlklappe.write(pos);          
+    delay(10);                     
+  }
+}
+
+void setup() {
+  kuehlklappe.attach(Gasklappe); 
+  pinMode(Luefter, OUTPUT);
+  pinMode(NotfallButton, INPUT);
+  Serial.begin(9600);
+  Wire.begin(0x8);
+  Wire.onReceive(receiveEvent);
+}
+
+void receiveEvent(int howMany) {
+  while (Wire.available()) { // loop through all but the last
+    char c = Wire.read(); // receive byte as a character
+    
+  }
+}
+
+
+
+
+ uint8_t var = 0 ; 
+ uint8_t fan = 0 ; 
+void loop() {
+
+  if ((Serial.available() > 0)||(Wire.available())){
+    char Letter;
+    if (Serial.available() > 0){
+     Letter = Serial.read();
+    }
+    if (Wire.available()){
+      Letter = Wire.read();
+    }
+    Serial.println (Letter, DEC);
+    //Serial.println(Letter ,DEC);
+    if ( (Letter == 'V') || (Letter == 'v')){
+      var =1; 
+      Serial.println("Ventile opened"); 
+    }
+    else{
+      var =0; 
+    }
+
+    if (Letter == 'F'){
+       fan = 1; 
+      Serial.println("Luefter eingeschaltet");
+    }
+     if (Letter == 'f'){
+      fan = 0;
+       Serial.println("Luefter ausgeschaltet"); 
+    }
+    
+  }
+  else{
+    var = digitalRead(NotfallButton);
+  }
+  
+  
+  if (var) cooling();  
+  
+  
+
+}
+