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dht11_display.ino
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dht11_display.ino
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#include <dht11.h>
#include <Wire.h>
#include <Adafruit_SSD1306.h>
#include <Adafruit_GFX.h>
#define OLED_ADDR 0x3C
#define OLED_RESET 4
Adafruit_SSD1306 display(OLED_RESET);
dht11 DHT11; // create object of DHT11
#define dhtpin 3 // set the pin to connect to DHT11
void setup() {
Serial.begin(9600);// setting up serial monitor
Wire.begin();
delay(3000);
display.begin(SSD1306_SWITCHCAPVCC, OLED_ADDR);
display.clearDisplay();
display.display();
}
void loop() {
DHT11.read(dhtpin);// initialize the reading
//code for Robojax.com video
int humidity = DHT11.humidity;// get humidity
Serial.print("Temperture");
Serial.print(getTemp('C'));
Serial.print("C ");
Serial.print(" humidity:");
Serial.print (humidity);
Serial.println("% ");
Serial.println();
delay(500);
display.clearDisplay();
display.setTextSize(2);
display.setTextColor(WHITE);
display.setCursor(0,0);
display.print("Temperture ");
display.print(getTemp('C'));
display.print(" C");
display.display();
delay(1000);
}
int getTemp(char type) {
int temp = (float)DHT11.temperature;//get temp
return temp;
}