@@ -1,7 +1,7 @@ | |||
# Smart-Home am Beispiel der Präsenzerkennung im Raum | |||
## Einführung | |||
Johannes hat auch angefangen | |||
## Schluss | |||
Projektarbeit Lennart Heimbs, Johannes Krug, Sebastian Dohle und Kevin Holzschuh bei Prof. Dr. Oliver Hofmann | |||
SS2019 |
@@ -0,0 +1,36 @@ | |||
//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; | |||
} |
@@ -0,0 +1,21 @@ | |||
//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); | |||
} | |||
@@ -0,0 +1,53 @@ | |||
//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; | |||
} | |||
} | |||
@@ -0,0 +1,63 @@ | |||
#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); | |||
} | |||