@@ -0,0 +1,35 @@ | |||
#include <NewPing.h> | |||
#define TRIGGER_PIN 4 | |||
#define ECHO_PIN 3 | |||
#define MAX_DISTANCE 200 | |||
NewPing sonar(TRIGGER_PIN, ECHO_PIN, MAX_DISTANCE); | |||
void setup() { | |||
Serial.begin(9600); | |||
} | |||
void loop() { | |||
delay(50); | |||
unsigned int uS = sonar.ping(); | |||
pinMode(ECHO_PIN,OUTPUT); | |||
digitalWrite(ECHO_PIN,LOW); | |||
pinMode(ECHO_PIN,INPUT); | |||
Serial.print("Ping: "); | |||
Serial.print(uS / US_ROUNDTRIP_CM); | |||
Serial.println("cm"); | |||
} |
@@ -0,0 +1,35 @@ | |||
// defines pins numbers | |||
const int trigPin = 2; //D4 | |||
const int echoPin = 0; //D3 | |||
// defines variables | |||
long duration; | |||
int distance; | |||
void setup() { | |||
pinMode(trigPin, OUTPUT); // Sets the trigPin as an Output | |||
pinMode(echoPin, INPUT); // Sets the echoPin as an Input | |||
Serial.begin(9600); // Starts the serial communication | |||
} | |||
void loop() { | |||
// Clears the trigPin | |||
digitalWrite(trigPin, LOW); | |||
delayMicroseconds(2); | |||
// Sets the trigPin on HIGH state for 10 micro seconds | |||
digitalWrite(trigPin, HIGH); | |||
delayMicroseconds(10); | |||
digitalWrite(trigPin, LOW); | |||
// Reads the echoPin, returns the sound wave travel time in microseconds | |||
duration = pulseIn(echoPin, HIGH); | |||
// Calculating the distance | |||
distance= duration*0.034/2; | |||
// Prints the distance on the Serial Monitor | |||
Serial.print("Distance: "); | |||
Serial.println(distance); | |||
delay(2000); | |||
} | |||
@@ -0,0 +1,77 @@ | |||
#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); | |||
// defines pins numbers | |||
int ledPin = D1; // LED on Pin 1 of ESP | |||
int pirPin1 = D0; // Input for HC-SR501 #1 | |||
int pirPin2 = D2; // Input for HC-SR501 #2 | |||
int pirValueNeu1; // Place to read PIR Value | |||
int pirValueAlt1 = 0; //Place to store read PIR Value | |||
int pirAn1; | |||
int pirAus1; | |||
int pirValueNeu2; // Place to read PIR Value | |||
int pirValueAlt2 = 0; //Place to store read PIR Value | |||
int pirAn2; | |||
int pirAus2; | |||
char msg[50]; | |||
void setup() { | |||
Serial.begin(115200); | |||
setup_wifi(); | |||
client.setServer(MQTT_BROKER, 1883); | |||
pinMode(ledPin, OUTPUT); | |||
pinMode(pirPin1, INPUT); | |||
pinMode(pirPin2, INPUT); | |||
digitalWrite(ledPin, LOW); | |||
} | |||
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((distance!=(distance_alt-1))&&(distance!=(distance_alt))&&(distance!=(distance_alt+1))){//+-1 um störungen herauszufiltern | |||
snprintf (msg,50,"%d", distance); | |||
Serial.print("Publish Motion: "); | |||
Serial.println(msg); | |||
client.publish("/home/data", msg); | |||
delay(500); | |||
} | |||
} |
@@ -0,0 +1,92 @@ | |||
#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); | |||
// defines pins numbers | |||
const int trigPin = 2; //D4 | |||
const int echoPin = 0; //D3 | |||
long duration; | |||
int distance; | |||
int distance_alt=0; | |||
char msg[50]; | |||
int value = 0; | |||
long lastMsg = 0; | |||
void setup() { | |||
pinMode(trigPin, OUTPUT); // Sets the trigPin as an Output | |||
pinMode(echoPin, INPUT); // Sets the echoPin as an Input | |||
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(); | |||
// Clears the trigPin | |||
digitalWrite(trigPin, LOW); | |||
delayMicroseconds(2); | |||
// Sets the trigPin on HIGH state for 10 micro seconds | |||
digitalWrite(trigPin, HIGH); | |||
delayMicroseconds(10); | |||
digitalWrite(trigPin, LOW); | |||
// Reads the echoPin, returns the sound wave travel time in microseconds | |||
duration = pulseIn(echoPin, HIGH); | |||
// Calculating the distance | |||
distance = duration * 0.034 / 2; | |||
// Prints the distance on the Serial Monitor | |||
if((distance!=(distance_alt-1))&&(distance!=(distance_alt))&&(distance!=(distance_alt+1))){//+-1 um störungen herauszufiltern | |||
snprintf (msg,50,"%d", distance); | |||
Serial.print("Publish Motion: "); | |||
Serial.println(msg); | |||
client.publish("/home/data", msg); | |||
delay(500); | |||
} | |||
distance_alt=distance; | |||
} |