# Smart-Home am Beispiel der Präsenzerkennung im Raum | # Smart-Home am Beispiel der Präsenzerkennung im Raum | ||||
## Einführung | ## Einführung | ||||
Johannes hat auch angefangen | |||||
## Schluss | ## Schluss | ||||
Projektarbeit Lennart Heimbs, Johannes Krug, Sebastian Dohle und Kevin Holzschuh bei Prof. Dr. Oliver Hofmann | Projektarbeit Lennart Heimbs, Johannes Krug, Sebastian Dohle und Kevin Holzschuh bei Prof. Dr. Oliver Hofmann | ||||
SS2019 | SS2019 |
//HC-SR501 als Bewegungsmelder, vergleicht alten PIR-wert mit neuem PIR-wert und lässt bei HIGH Phase LED leuchten | |||||
//Einstellung *repeatable Trigger||single Trigger* hier egal | |||||
//Single Trigger:Bei Bewegung läuft ein festgelegtes Zeitfenster HIGH ab (LINKER POTI, 3sec bis 5min) | |||||
//Repeatable Trigger: Bei Bewegung läuft HIGH Zeitfester ab, wenn darin wieder Bewegung erkannt wird, wird das zeitfenster wieder neu gestartet und verlängert. | |||||
//Nach diesen HIGH signal folgt in beiden fällen ein 3 sekündiges LOW Fenster, hier wird keine bewegung erkannt | |||||
int ledPin = D1; // LED on Pin 13 of Arduino | |||||
int pirPin = D0; // Input for HC-S501 | |||||
int pirValueNeu; // Place to read PIR Value | |||||
int pirValueAlt = 0; //Place to store read PIR Value | |||||
void setup() { | |||||
Serial.begin(9600); | |||||
pinMode(ledPin, OUTPUT); | |||||
pinMode(pirPin, INPUT); | |||||
digitalWrite(ledPin, LOW); | |||||
} | |||||
void loop() { | |||||
pirValueNeu = digitalRead(pirPin); | |||||
if(pirValueNeu != pirValueAlt){ | |||||
if(pirValueNeu==1){ | |||||
Serial.println("Motion! Level:HIGH"); | |||||
} | |||||
else{ | |||||
//Serial.println("Ruhemodus 3 Sekunden! Level:LOW"); | |||||
//delay(3000); | |||||
Serial.println("No motion so far! Level:LOW"); | |||||
} | |||||
} | |||||
digitalWrite(ledPin, pirValueNeu); | |||||
pirValueAlt=pirValueNeu; | |||||
} |
//analoger ausgang gibt nur den aktuellen wert des potis aus, also nur zum genauen poti einstellen geeignet! ansonsten nutzlos | |||||
int sensorPin = A0; // select the input pin for the potentiometer | |||||
int ledPin = D0; // select the pin for the LED | |||||
int sensorValue = 0; // variable to store the value coming from the sensor | |||||
void setup() | |||||
{ | |||||
pinMode(ledPin,OUTPUT); | |||||
Serial.begin(9600); | |||||
} | |||||
void loop(){ | |||||
sensorValue = analogRead(sensorPin); | |||||
digitalWrite(ledPin, HIGH); | |||||
delay(sensorValue); | |||||
digitalWrite(ledPin, LOW); | |||||
delay(sensorValue); | |||||
Serial.println(sensorValue, DEC); | |||||
} | |||||
//www.elegoo.com | |||||
//2016.06.13 | |||||
//digitaler ausgang soundmodul | |||||
int Led=D0;//define LED port | |||||
int buttonpin=D5; //define switch port | |||||
int val;//define digital variable val | |||||
int anzahl_loop=0; | |||||
int anzahl_high=1; | |||||
int anzahl_low=1; | |||||
double high_anteil; | |||||
void setup() | |||||
{ | |||||
Serial.begin(9600); | |||||
pinMode(Led,OUTPUT);//define LED as a output port | |||||
pinMode(buttonpin,INPUT);//define switch as a output port | |||||
} | |||||
void loop() | |||||
{ anzahl_loop++;//anzahl der loopdurchlaeufe | |||||
val=digitalRead(buttonpin);//read the value of the digital interface 3 assigned to val | |||||
if(val==HIGH)//when the switch sensor have signal, LED blink | |||||
{ | |||||
digitalWrite(Led,HIGH); | |||||
//Serial.println("HIGH"); | |||||
anzahl_high++; | |||||
} | |||||
else | |||||
{ | |||||
digitalWrite(Led,LOW); | |||||
//Serial.println(val); | |||||
anzahl_low++; | |||||
} | |||||
if(anzahl_loop==1000){ //100 loops auswerten und den high anteil ermitteln | |||||
high_anteil=((double)anzahl_high/(double)anzahl_loop); | |||||
if(high_anteil>=0.10){ | |||||
Serial.println(high_anteil); | |||||
} | |||||
anzahl_high=1; | |||||
anzahl_low=1; | |||||
anzahl_loop=0; | |||||
} | |||||
} | |||||
#include <ESP8266WiFi.h> | |||||
#include <PubSubClient.h> | |||||
const char* SSID = "smartroom"; | |||||
const char* PSK = "smarthome"; | |||||
const char* MQTT_BROKER = "192.168.4.1"; | |||||
WiFiClient espClient; | |||||
PubSubClient client(espClient); | |||||
long lastMsg = 0; | |||||
char msg[50]; | |||||
int value = 0; | |||||
void setup() { | |||||
Serial.begin(115200); | |||||
setup_wifi(); | |||||
client.setServer(MQTT_BROKER, 1883); | |||||
} | |||||
void setup_wifi() { | |||||
delay(10); | |||||
Serial.println(); | |||||
Serial.print("Connecting to "); | |||||
Serial.println(SSID); | |||||
WiFi.mode(WIFI_STA); | |||||
WiFi.begin(SSID, PSK); | |||||
while (WiFi.status() != WL_CONNECTED) { | |||||
delay(500); | |||||
Serial.print("."); | |||||
} | |||||
Serial.println(""); | |||||
Serial.println("WiFi connected"); | |||||
Serial.println("IP address: "); | |||||
Serial.println(WiFi.localIP()); | |||||
} | |||||
void reconnect() { | |||||
while (!client.connected()) { | |||||
Serial.print("Reconnecting..."); | |||||
if (!client.connect("ESP8266Client")) { | |||||
Serial.print("failed, rc="); | |||||
Serial.print(client.state()); | |||||
Serial.println(" retrying in 5 seconds"); | |||||
delay(5000); | |||||
} | |||||
} | |||||
} | |||||
void loop() { | |||||
if (!client.connected()) { | |||||
reconnect(); | |||||
} | |||||
client.loop(); | |||||
snprintf (msg, 50, "Alive since %ld milliseconds", millis()); | |||||
Serial.print("Publish message: "); | |||||
Serial.println(msg); | |||||
client.publish("/home/data", "Hello asdf World"); | |||||
delay(5000); | |||||
} | |||||