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Temperatur-SensorScript-SKO
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unknown 2022-08-30 13:22:09 +02:00
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192
TemperatureSensorScript_for_ESP32/TemperatureSensorScript_for_ESP32.ino Normal file
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/*
This Temperature Sensor script was designed to be used with a
NodeMCU-32S for IT&Data Odense SKO
*/
#include <DHT.h>;
#include <WiFi.h>
#include <time.h>
#include <HTTPClient.h>
#define DHTPIN 21 // what pin we're connected to, modify for different boards
#define DHTTYPE DHT22 // DHT 22 Sensor
DHT dht(DHTPIN, DHTTYPE); // Initialize DHT sensor for normal 16mhz Arduino
//Variables
float humi; // Stores humidity value
float temp; // Stores temperature value
String hostName = "mu7-5";
String ipAddress;
const char* apiService = "http://infotavle.itd-skp.sde.dk/TH_API/ClimateSensor_Api/api/climateSensor/create.php";
struct tm timeinfo; // Our constructor for localtime
// Our wifi and api, add password if wifi is secured
const char* ssid = "Sde-Guest";
//const char* password = "REPLACE_WITH_YOUR_PASSWORD";
// Define NTP Client to get time
const char* ntpServer = "dk.pool.ntp.org";
const long gmtOffset_sec = 3628;
const int daylightOffset_sec = 3600; // Will be used if we are in summertime
// Splits hostName at the "-" so it can be sent in proper format in JSON
int splitPoint = hostName.indexOf('-');
String deviceName = hostName.substring(0, splitPoint);
String zone = hostName.substring(splitPoint + 1, hostName.length());
void InitWifi() {
// Needed to set hostname
WiFi.mode(WIFI_STA);
WiFi.config(INADDR_NONE, INADDR_NONE, INADDR_NONE, INADDR_NONE);
WiFi.setHostname(hostName.c_str());
// Connects to wifi
WiFi.begin(ssid);
//WiFi.begin(ssid, PASSWORD_IF_NEEDED);
Serial.print("Connecting to WiFi ..");
while (WiFi.status() != WL_CONNECTED) {
Serial.print('.');
digitalWrite(LED_BUILTIN, LOW);
delay(250);
digitalWrite(LED_BUILTIN, HIGH);
delay(250);
}
// Enables autoreconnect to wifi, in case of wifi shutdown or weak connection
WiFi.setAutoReconnect(true);
WiFi.persistent(true);
Serial.println(WiFi.localIP());
ipAddress = IpAddress2String(WiFi.localIP());
}
// Needed for converting ipAddres to string for JSON
String IpAddress2String(const IPAddress& ipAddress)
{
return String(ipAddress[0]) + String(".") +
String(ipAddress[1]) + String(".") +
String(ipAddress[2]) + String(".") +
String(ipAddress[3]);
}
void SetTimezone()
{
if(!getLocalTime(&timeinfo)){
Serial.println("There was an error in getting time, this could be that the NTPServer is not available, or a weak connection to the NTPServer");
Serial.println("System will now restart");
delay(10000);
ESP.restart();
}
byte dd = timeinfo.tm_mday;
byte mm = timeinfo.tm_mon + 1;
byte yy = timeinfo.tm_year + 1900;
byte x1 = 31 - (yy + yy / 4 - 2) % 7; //last Sunday March
byte x2 = 31 - (yy + yy / 4 + 2) % 7; // last Sunday October
if((mm > 3 && mm < 10) || (mm == 3 && dd >= x1) || (mm == 10 && dd < x2)){
configTime(gmtOffset_sec, daylightOffset_sec, ntpServer);
if(!getLocalTime(&timeinfo)){
Serial.println("There was an in getting time, this could be that the NTPServer is not available, or a weak connection to the NTPServer");
Serial.println("System will now restart");
delay(10000);
ESP.restart();
}
}
}
void setup() {
Serial.begin(9600);
pinMode(LED_BUILTIN, OUTPUT);
InitWifi();
// Sets time based on denmark
configTime(gmtOffset_sec, 0, ntpServer);
SetTimezone();
dht.begin();
//Sends data immediately upon startup
SendPOSTData();
}
void SendPOSTData() {
//Converts time to string format so it can later be used in JSON
getLocalTime(&timeinfo);
char timeAsString[24];
strftime(timeAsString, sizeof(timeAsString), "%Y-%m-%d %H:%M:%S", &timeinfo);
String stringified(timeAsString);
humi = dht.readHumidity();// Read humidity
temp = dht.readTemperature();// Read temperature
// Check whether the reading is successful or not
if ( isnan(temp) || isnan(humi)) {
Serial.println("Failed to read from DHT sensor!");
temp = -273;
}
else {
// Check if wifi is still connected
if(WiFi.status() == WL_CONNECTED){
WiFiClient client;
HTTPClient http;
http.begin(client, apiService);
// The JSON that will be send to our api service
http.addHeader("Content-Type", "application/json");
String httpRequestData = "{\"ipaddress\": \"" + ipAddress;
httpRequestData += "\", \"zone\": " + zone;
httpRequestData += ", \"name\": \"" + deviceName;
httpRequestData += "\", \"updated\": \"" + String(timeAsString);
httpRequestData += "\", \"temperature\": " + String(temp);
httpRequestData += ", \"humidity\": " + String(humi);
httpRequestData += "}";
// Sends the POST request
Serial.print(httpRequestData);
int httpResponseCode = http.POST(httpRequestData);
// Show the response code so we can determined if it was received by the api
// 400 = Error, 200 = Received
Serial.print("HTTP Response code: ");
Serial.println(httpResponseCode);
Serial.println("");
http.end();
client.stop();
digitalWrite(LED_BUILTIN, LOW);
delay(50);
digitalWrite(LED_BUILTIN, HIGH);
delay(50);
digitalWrite(LED_BUILTIN, LOW);
delay(50);
digitalWrite(LED_BUILTIN, HIGH);
delay(50);
}
else {
// Cancels and waits for wifi connection
Serial.print("Unable to connect to wifi, please wait for autoreconnect or restart the system");
}
}
// Waits for 1 minute before scanning again
delay(60000);
}
void loop() {
// Used for comparison to old readings
float currentTemp = dht.readTemperature();
// Gets current hour and minutes (E.g. 08:00) for scheduled checks
getLocalTime(&timeinfo);
char timeAsString[5];
strftime(timeAsString, sizeof(timeAsString), "%H%M", &timeinfo);
String plannedCheck(timeAsString);
if(plannedCheck == "0158" || plannedCheck == "0159"){
// Daily reboot
delay(120000);
ESP.restart();
} else if(temp > currentTemp + 0.5 || temp < currentTemp - 0.5
|| plannedCheck == "0800" || plannedCheck == "1200" || plannedCheck == "1500"){
SendPOSTData();
}
delay(1000);
Serial.print('.');
}

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TemperatureSensorScript_for_ESP8266/TemperatureSensorScript_for_ESP8266.ino Normal file
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/*
This Temperature Sensor script was designed to be used with a
ESP8266-D1-mini for IT&Data Odense SKO
*/
#include "DHT.h";
#include <ESP8266WiFi.h>
#include <time.h>
#include <ESP8266HTTPClient.h>
#define DHTPIN 5 //(D1) what pin we're connected to, modify for different boards
#define DHTTYPE DHT22 // DHT 22 Sensor
DHT dht(DHTPIN, DHTTYPE); // Initialize DHT sensor for normal 16mhz Arduino
//Variables
float humi; // Stores humidity value
float temp; // Stores temperature value
String hostName = "mu7-5";
String ipAddress;
const char* apiService = "http://infotavle.itd-skp.sde.dk/TH_API/ClimateSensor_Api/api/climateSensor/create.php";
struct tm timeinfo; // Our constructor for localtime
// Our wifi and api, add password if wifi is secured
const char* ssid = "Sde-Guest";
//const char* password = "REPLACE_WITH_YOUR_PASSWORD";
// Define NTP Client to get time
const char* ntpServer = "dk.pool.ntp.org";
const long gmtOffset_sec = 3628;
const int daylightOffset_sec = 3600; // Will be used if we are in summertime
// Splits hostName at the "-" so it can be sent in proper format in JSON
int splitPoint = hostName.indexOf('-');
String deviceName = hostName.substring(0, splitPoint);
String zone = hostName.substring(splitPoint + 1, hostName.length());
bool getLocalTime(struct tm * info)
{
uint32_t start = millis();
time_t now;
while((millis()-start) <= 5000) {
time(&now);
localtime_r(&now, info);
if(info->tm_year > (2016 - 1900)){
return true;
}
delay(10);
}
return false;
}
void InitWifi() {
// Needed to set hostname
//WiFi.mode(WIFI_STA);
//WiFi.config(INADDR_NONE, INADDR_NONE, INADDR_NONE, INADDR_NONE);
//WiFi.setHostname(hostName.c_str());
// Connects to wifi
WiFi.begin(ssid);
//WiFi.begin(ssid, PASSWORD_IF_NEEDED);
Serial.print("Connecting to WiFi ..");
while (WiFi.status() != WL_CONNECTED) {
Serial.print('.');
digitalWrite(LED_BUILTIN, LOW);
delay(250);
digitalWrite(LED_BUILTIN, HIGH);
delay(250);
}
// Enables autoreconnect to wifi, in case of wifi shutdown or weak connection
WiFi.setAutoReconnect(true);
WiFi.persistent(true);
Serial.println(WiFi.localIP());
ipAddress = IpAddress2String(WiFi.localIP());
}
// Needed for converting ipAddres to string for JSON
String IpAddress2String(const IPAddress& ipAddress)
{
return String(ipAddress[0]) + String(".") +
String(ipAddress[1]) + String(".") +
String(ipAddress[2]) + String(".") +
String(ipAddress[3]);
}
void SetTimezone()
{
if(!getLocalTime(&timeinfo)){
Serial.println("There was an in getting time, this could be that the NTPServer is not available, or a weak connection to the NTPServer");
Serial.println("System will now restart");
delay(10000);
ESP.restart();
}
byte dd = timeinfo.tm_mday;
byte mm = timeinfo.tm_mon + 1;
byte yy = timeinfo.tm_year + 1900;
byte x1 = 31 - (yy + yy / 4 - 2) % 7; //last Sunday March
byte x2 = 31 - (yy + yy / 4 + 2) % 7; // last Sunday October
if((mm > 3 && mm < 10) || (mm == 3 && dd >= x1) || (mm == 10 && dd < x2)){
configTime(gmtOffset_sec, daylightOffset_sec, ntpServer);
if(!getLocalTime(&timeinfo)){
Serial.println("There was an error in getting time, this could be that the NTPServer is not available, or a weak connection to the NTPServer");
Serial.println("System will now restart");
delay(10000);
ESP.restart();
}
}
}
void setup() {
Serial.begin(9600);
pinMode(LED_BUILTIN, OUTPUT);
InitWifi();
// Sets time based on denmark
configTime(gmtOffset_sec, 0, ntpServer);
SetTimezone();
dht.begin();
//Sends data immediately upon startup
SendPOSTData();
}
void SendPOSTData() {
//Converts time to string format so it can later be used in JSON
getLocalTime(&timeinfo);
char timeAsString[24];
strftime(timeAsString, sizeof(timeAsString), "%Y-%m-%d %H:%M:%S", &timeinfo);
String stringified(timeAsString);
humi = dht.readHumidity();// Read humidity
temp = dht.readTemperature();// Read temperature
// Check whether the reading is successful or not
if ( isnan(temp) || isnan(humi)) {
Serial.println("Failed to read from DHT sensor!");
temp = -273;
}
else {
// Check if wifi is still connected
if(WiFi.status() == WL_CONNECTED){
WiFiClient client;
HTTPClient http;
http.begin(client, apiService);
// The JSON that will be send to our api service
http.addHeader("Content-Type", "application/json");
String httpRequestData = "{\"ipaddress\": \"" + ipAddress;
httpRequestData += "\", \"zone\": " + zone;
httpRequestData += ", \"name\": \"" + deviceName;
httpRequestData += "\", \"updated\": \"" + String(timeAsString);
httpRequestData += "\", \"temperature\": " + String(temp);
httpRequestData += ", \"humidity\": " + String(humi);
httpRequestData += "}";
// Sends the POST request
Serial.print(httpRequestData);
int httpResponseCode = http.POST(httpRequestData);
// Show the response code so we can determined if it was received by the api
// 400 = Error, 200 = Received
Serial.print("HTTP Response code: ");
Serial.println(httpResponseCode);
Serial.println("");
http.end();
client.stop();
digitalWrite(LED_BUILTIN, LOW);
delay(50);
digitalWrite(LED_BUILTIN, HIGH);
delay(50);
digitalWrite(LED_BUILTIN, LOW);
delay(50);
digitalWrite(LED_BUILTIN, HIGH);
delay(50);
}
else {
// Cancels and waits for wifi connection
Serial.print("Unable to connect to wifi, please wait for autoreconnect or restart the system");
}
}
// Waits for 1 minute before scanning again
delay(60000);
}
void loop() {
// Used for comparison to old readings
float currentTemp = dht.readTemperature();
// Gets current hour and minutes (E.g. 08:00) for scheduled checks
getLocalTime(&timeinfo);
char timeAsString[5];
strftime(timeAsString, sizeof(timeAsString), "%H%M", &timeinfo);
String plannedCheck(timeAsString);
if(plannedCheck == "0158" || plannedCheck == "0159"){
// Daily reboot
delay(120000);
ESP.restart();
} else if(temp > currentTemp + 0.5 || temp < currentTemp - 0.5
|| plannedCheck == "0800" || plannedCheck == "1200" || plannedCheck == "1500"){
SendPOSTData();
}
delay(1000);
Serial.print('.');
}