#include <Wire.h>
#include <Adafruit_BMP085.h>
#include <DHT.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
Adafruit_BMP085 bmp;
#define DHTPIN 2
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);
#define EEPROM_ADDR 0x50
int eepromIndex = 0;
void eepromWrite(int addr, byte data) {
Wire.beginTransmission(EEPROM_ADDR);
Wire.write(addr >> 8);
Wire.write(addr & 0xFF);
Wire.write(data);
Wire.endTransmission();
delay(5);
}
byte eepromRead(int addr) {
Wire.beginTransmission(EEPROM_ADDR);
Wire.write(addr >> 8);
Wire.write(addr & 0xFF);
Wire.endTransmission();
Wire.requestFrom(EEPROM_ADDR, 1);
return Wire.read();
}
void setup() {
Serial.begin(9600);
Wire.begin();
if (!bmp.begin()) {
Serial.println("BMP180 topilmadi!");
while (1);
}
dht.begin();
if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
Serial.println("OLED topilmadi!");
while (1);
}
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(SSD1306_WHITE);
}
void loop() {
float temp = bmp.readTemperature();
float pressure = bmp.readPressure() / 100.0;
float humidity = dht.readHumidity();
Serial.print("T=");
Serial.print(temp);
Serial.print("C P=");
Serial.print(pressure);
Serial.print("Pa H=");
Serial.println(humidity);
display.clearDisplay();
display.setCursor(0,0);
display.print("Har: ");
display.print(temp);
display.println(" C");
display.setCursor(0,20);
display.print("Bosim: ");
display.print(pressure);
display.println(" Pa");
display.setCursor(0,40);
display.print("Nam: ");
display.print(humidity);
display.println(" %");
display.display();
eepromWrite(eepromIndex++, (byte)temp);
eepromWrite(eepromIndex++, (byte)humidity);
if (eepromIndex > 100) eepromIndex = 0;
delay(5000);
}