89 lines
2.1 KiB
C++
89 lines
2.1 KiB
C++
#include "DHT.h"
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#include <ESP8266WiFi.h>
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#include <ESP8266HTTPClient.h>
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#include <climits>
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//DHT settings:
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#define DHTPIN 14 // what digital pin we're connected to
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#define MEASURESECONDS 60 //shouldn't be < 2sec
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// Uncomment whatever type you're using!
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//#define DHTTYPE DHT11 // DHT 11
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#define DHTTYPE DHT22 // DHT 22 (AM2302), AM2321
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//#define DHTTYPE DHT21 // DHT 21 (AM2301)
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// Initialize DHT sensor.
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// Note that older versions of this library took an optional third parameter to
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// tweak the timings for faster processors. This parameter is no longer needed
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// as the current DHT reading algorithm adjusts itself to work on faster procs.
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DHT dht(DHTPIN, DHTTYPE);
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// WiFi settings:
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const char* ssid = "Klenkschachtel";
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const char* password = "KS!;3k@S$h=?AL";
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//milli counter
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unsigned long millitotal = 0;
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float millicounter = 0;
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//Temp variables
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float h, t;
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//First measurement
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bool firstmeasurement = true;
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void setup() {
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Serial.begin(115200);
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Serial.println("Sensornode start");
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//dht driver initialization
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dht.begin();
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// Connect to WiFi
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Serial.println("Connecting to wlan");
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WiFi.begin(ssid, password);
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while (WiFi.status() != WL_CONNECTED) {
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delay(500);
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Serial.print(".");
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}
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Serial.println("\nWiFi connected");
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// Print the IP address
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Serial.println(WiFi.localIP());
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}
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void loop() {
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// Reading temperature or humidity takes about 250 milliseconds!
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// Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
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h = dht.readHumidity();
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// Read temperature as Celsius (the default)
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t = dht.readTemperature();
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// Check if any reads failed and exit early (to try again).
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if (isnan(h) || isnan(t)) {
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Serial.println("Failed to read from DHT sensor!");
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return;
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} else {
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// Initialize the client library
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HTTPClient client;
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// Make a HTTP request:
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String url = "http://raspitemp:1337/abshum/" + String(t) + "/" + String(h);
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client.begin(url);
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client.GET();
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client.end();
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}
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//https://www.mikrocontroller.net/topic/384345
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ESP.deepSleep(MEASURESECONDS * 1000000);
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//Let the esp chill a bit
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delay(100);
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}
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