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esp8266.ino
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#include <ESP8266WiFi.h>
#include <Wire.h>
#include "Adafruit_HTU21DF.h"
#include <ESP8266HTTPClient.h>
#include <ArduinoJson.h>
#include <ACROBOTIC_SSD1306.h>
const char* ssid = "Chez Dodo Perso";
const char* password = "**********";
const char* server = "http://172.20.10.2:4000/api/weather";
const char* station_id = "1";
Adafruit_HTU21DF htu = Adafruit_HTU21DF();
void setup() {
Serial.begin(9600);
Wire.begin(0, 2);
static unsigned char ACROBOT[] PROGMEM ={
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0x7F, 0x7F, 0x3F, 0x3F, 0x1F, 0x0F, 0x8F, 0xC7, 0xC7, 0xE3,
0xE3, 0x03, 0x03, 0x3F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x1F, 0x1F,
0x3F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x3F,
0x3F, 0x3F, 0xFF, 0xFF, 0xFF, 0xFF, 0x0F, 0x0F, 0x0F, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0x3F,
0x1F, 0x1F, 0x8F, 0xC7, 0xC3, 0xE1, 0xF1, 0x70, 0x38, 0x3C,
0xFE, 0xFE, 0xFF, 0x3F, 0x1F, 0x1F, 0xFF, 0xFF, 0xFF, 0xE0,
0x00, 0x00, 0x01, 0x01, 0x81, 0x81, 0xE1, 0x01, 0x01, 0x03,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x1F,
0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x00, 0x00, 0x00,
0xFF, 0xFF, 0xFF, 0xFF, 0x0F, 0x0F, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F,
0x3F, 0x0F, 0x07, 0xC3, 0xE1, 0xF0, 0xF8, 0xFC, 0xFE, 0x87,
0x07, 0x07, 0x3F, 0xFF, 0xFF, 0xFC, 0xF0, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x0E, 0x0F, 0x0F, 0x0F, 0xEF, 0x00, 0x00,
0x00, 0x00, 0x0F, 0xC9, 0x01, 0x00, 0x00, 0xF0, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0xF0, 0xFC, 0xFC,
0xFC, 0xFC, 0xFC, 0xFC, 0xF8, 0x00, 0x00, 0x00, 0xFF, 0xFF,
0xFF, 0xFF, 0x00, 0x00, 0x0F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x9F, 0x03, 0xC0, 0xF8, 0xFE,
0xFF, 0xC3, 0x03, 0x03, 0x1F, 0x7F, 0xFF, 0xFF, 0xFC, 0xF0,
0x80, 0x00, 0x07, 0x0F, 0x01, 0x00, 0x20, 0x38, 0x3E, 0x3E,
0x3E, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0xF0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xF0, 0xF8, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xF8, 0xF8, 0xF8, 0xFF, 0xFF, 0xFF, 0xFF,
0xF8, 0xF8, 0xF0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0x23, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFE, 0xF0, 0x80, 0x00, 0x07, 0x3F, 0x7F, 0x1F, 0x07, 0x00,
0x80, 0xF0, 0xF8, 0xF8, 0xF8, 0xF8, 0xF8, 0xFC, 0xFC, 0xFC,
0xFC, 0xFC, 0xFC, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xC0, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0x7F, 0x3F, 0x3F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
0x1F, 0x3F, 0x3F, 0xFF, 0xFF, 0xFF, 0xFF, 0x0F, 0x0F, 0x0F,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x3F, 0x1F, 0x1F, 0xBF, 0xFF,
0xFF, 0xFE, 0xF0, 0x80, 0x07, 0x1F, 0x7F, 0xFF, 0xFF, 0xFF,
0xFF, 0x7C, 0x00, 0x00, 0x00, 0x80, 0x80, 0xC0, 0xC3, 0xE1,
0xE1, 0xE1, 0xE1, 0xE1, 0xE0, 0xF0, 0xF0, 0xF0, 0xF0, 0x20,
0x0F, 0x01, 0x00, 0x00, 0x00, 0x00, 0xE0, 0xFC, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x03, 0x00,
0x00, 0xF0, 0xF8, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC,
0xFC, 0xFC, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0x3F, 0x1F, 0x1F, 0x0F, 0x0F, 0x0F,
0x0F, 0x0F, 0x1F, 0x1F, 0x3F, 0xFF, 0xFF, 0xFF, 0xFF, 0x0F,
0x0F, 0x0F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x3F, 0x0F,
0x0F, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0x3F, 0x1F, 0x0F, 0x0F,
0x0F, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x3F, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFE, 0xFC, 0xF8, 0xF0, 0x01, 0x03, 0x01, 0x00,
0x00, 0x0C, 0x1F, 0x1F, 0x1F, 0x3F, 0x3F, 0x1F, 0x1F, 0x1F,
0x1F, 0x0F, 0x0F, 0x03, 0x07, 0x01, 0x01, 0x00, 0x80, 0x80,
0xE0, 0xF0, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0x00, 0x00, 0x01, 0x0F,
0x3F, 0x7F, 0x7F, 0xFF, 0xFF, 0x7F, 0x7F, 0x3F, 0x3F, 0xFF,
0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x3F, 0xFF, 0xFF, 0xFF,
0xFF, 0x00, 0x00, 0x00, 0x00, 0x7E, 0xFE, 0xFF, 0xFE, 0x7E,
0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00,
0x03, 0x7F, 0x7F, 0x7F, 0x7F, 0x1F, 0x00, 0x00, 0x00, 0xFF,
0xFF, 0xFF, 0xE7, 0x00, 0x00, 0x00, 0x3C, 0x7E, 0x7E, 0x7E,
0x3C, 0x00, 0x00, 0x00, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xDF, 0xC3, 0xE0, 0xFC, 0xFE, 0xFF, 0xFF, 0xFE,
0xFE, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xF8, 0xF8, 0xFC, 0xFC,
0xFC, 0xFC, 0xFC, 0xFE, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0xFC, 0xF8, 0xF8, 0xF0,
0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF8, 0xFC, 0xFF, 0xFF,
0xFF, 0xFC, 0xF0, 0xF0, 0xF0, 0xF0, 0xFF, 0xFF, 0xFF, 0xFF,
0xFC, 0xF8, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF8,
0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFC, 0xF8, 0xF0, 0xF0,
0xF0, 0xF0, 0xF8, 0xF8, 0xF0, 0xF0, 0xF8, 0xFF, 0xFF, 0xFF,
0xFF, 0xFE, 0xF8, 0xF8, 0xF0, 0xF0, 0xF0, 0xF0, 0xF8, 0xF0,
0xF0, 0xF0, 0xF8, 0xFF
};
oled.init(); // Initialze SSD1306 OLED display
oled.clearDisplay(); // Clear screen
oled.drawBitmap(ACROBOT, 1024); // 1024 pixels for logo
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(1000);
Serial.println("Connecting to WiFi...");
}
Serial.println("Connected to WiFi");
Serial.println("Recherche du sensor");
if (!htu.begin(&Wire)) {
Serial.println("Couldn't find sensor!");
while (1);
}
oled.clearDisplay();
oled.setTextXY(0,4); // Set cursor position, line 2 10th character
oled.putString("Hi Cloud");
}
void loop() {
float temp = htu.readTemperature();
float rel_hum = htu.readHumidity();
Serial.print("Temperature:"); Serial.print(temp); Serial.print("°C");
Serial.print("\t\t");
Serial.print("Humidité:"); Serial.print(rel_hum); Serial.println("\%");
// Build JSON payload
StaticJsonDocument<200> doc;
doc["temp"] = temp;
doc["humidity"] = rel_hum;
doc["station_id"] = station_id;
//Serialize JSON
String json;
serializeJson(doc, json);
// Connect to the server
WiFiClient client;
HTTPClient http;
http.begin(client, server);
http.addHeader("Content-Type", "application/json");
int httpCode = http.POST(json);
// Check the returning code
if (httpCode > 0) {
String payload = http.getString();
Serial.println(httpCode);
Serial.println(payload);
} else {
Serial.println("Error on HTTP request");
}
// Close connection
http.end();
oled.setTextXY(2,1); // Set cursor position, line 2 10th character
oled.putString("Temp:"); oled.putFloat(temp); oled.putString(" C");
oled.setTextXY(4,0);
oled.putString("Humidite:"); oled.putFloat(rel_hum); oled.putString("\% ");
delay(2000);
}