当前位置:首页 > 科学研究 > 电子编程 > 正文内容

Arduino Project 024 - LCD Temperature Display

RonWang1年前 (2024-11-11)电子编程899

This project is a simple demonstration of using an LCD to present useful information to the user—in this case, the temperature from an DTH11 humidity and temperature sensor. 

Project 24 Liquid Crystal Temperature Displays 

Ardunio DHT11 Temperature Humidity Display Schematic

Ardunio DHT11 Temperature Humidity Display Circuit

/* Coding Ron Wang
   Nov.11th 2024
   Autaba support for coding hardware
   Project 24  LCD Temperature Display
 */
// Adding LCD and DHT libraries

#include <LiquidCrystal.h>
#include  <SimpleDHT.h>

//Declaring digital pin no 6 as the dht11 data pin

int  pinDHT11 = 11;
SimpleDHT11 dht11;

//Declaring the lcd pins

const  int rs = 9, en = 8, d4 = 5, d5 = 4, d6 = 3, d7 = 2;
LiquidCrystal lcd(rs, en,  d4, d5, d6, d7);
void setup() {

 Serial.begin(9600); // Choose 9600 at the  port screen
 lcd.begin(16, 2);  //Telling our LCD to start up
     
}
void loop() {
  /*These  serial codes are for getting readings on the port screen as well as 
    the LCD display, since they'll offer us a more detailed interface
  */
  
  Serial.println("=================================");
  Serial.println("DHT11 readings...");
  
 
  byte temperature = 0;
  byte humidity = 0;
  int err = SimpleDHTErrSuccess;
  
  //This bit will tell our Arduino what to do if there is some sort of an error at getting readings  from our sensor
  
  if ((err = dht11.read(pinDHT11, &temperature, &humidity, NULL))  != SimpleDHTErrSuccess) {
    Serial.print("No reading , err="); Serial.println(err);delay(1000);
    return;
  }
  
  Serial.print("Readings: ");
  Serial.print((int)temperature);  Serial.print(" Celcius, ");
  Serial.print((int)humidity); Serial.println("  %");
 
  //Telling our lcd to refresh itself every 0.75 seconds
  lcd.clear();
  
  //Choosing the first line and row
  lcd.setCursor(0,0);
  //Typing Temp:  to the first line starting from the first row
  lcd.print("Temp: ");
  //Typing  the temperature readings after "Temp: " 
  lcd.print((int)temperature);
  //Choosing the second line and first row
  lcd.setCursor(0,1);
  //Typing  Humidity(%): to the second line starting from the first row
  lcd.print("Humidity(%):  ");
  //Typing the humidity readings after "Humidity(%): "
  lcd.print((int)humidity);
 
  delay(750);
}

版权声明:本文为原创文章,版权归donstudio所有,欢迎分享本文,转载请保留出处!

本文链接:http://parentscn.com/?id=278

标签: Arduino

相关文章

Arduino Project 007 - Pulsating Lamp

Arduino Project 007 - Pulsating Lamp

You are now going try a more advanced method of controlling LEDs. So far, you have simply turned the...

Arduino Project 012 - Piezo Sounder Melody Player

Arduino Project 012 - Piezo Sounder Melody Player

Rather than using the piezo to make annoying alarm sounds, why not use it to play a melody? You are...

Arduino Project 005 - LED Chase Lights

Arduino Project 005 - LED Chase Lights

You’re going to use a string of LEDs (10 in total) to make an LED chase effect, similar to that used...

Arduino Project 001 - LED Blink

Arduino Project 001 - LED Blink

Arduino 电子编程--灯项目及控制,主要使用Arduino编程控制LED灯,实现基本控制Project 1 LED闪烁,基本的应用Project 3和4红绿灯项目项目1 Project...

Arduino Project 011 - Piezo Sounder Alarm

Arduino Project 011 - Piezo Sounder Alarm

Arduino project - sounder and sensors : Include project 11 Piezo Sounder Alarm ,Project piezo sounde...

Arduino UNO Mp3音乐播放代码

Arduino UNO Mp3音乐播放代码

Arduino UNO Mp3音乐播放代码今天我们将使用Arduino UNO 和SD卡制作音乐播放器。这个播放器不需要添加多余的模块,只需要SD读卡器和Arduino UNO开发板就可以播放音频文件...