当前位置:首页 > 科学研究 > 电子编程 > 正文内容

Arduino Project 024 - LCD Temperature Display

RonWang12个月前 (11-11)电子编程627

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://www.parentscn.com/?id=278

标签: Arduino

相关文章

Arduino Project 014 - Light Sensor

Arduino Project 014 - Light Sensor

This project introduces a new component known as a Light Dependent Resistor, or LDR. As the name imp...

Arduino Project 020 -  LED Dot Matrix Display - Beat Heart

Arduino Project 020 - LED Dot Matrix Display - Beat Heart

You’re going to use the same circuit, but with a slight variation in the code to create a multi-fram...

C语言调试运行环境TurboC的安装

C语言调试运行环境TurboC的安装

上大学时学习《C语言程序设计》(第二版)作者谭浩强,大部分编程时间是在学校机房度过,每次点开桌面的TurboC图标,就开始在里面敲代码,然后保存程序Abc.C,下一步进行编译,如果编译成功的话,就可以...

 Arduino Project 037 - 18B20 Temperature Sensor

Arduino Project 037 - 18B20 Temperature Sensor

The DS18B20 Temperature Sensor is a digital temperature sensor capable of measuring temperatures wit...

Books Exploring Arduino

Books Exploring Arduino

Exploring Arduino uses the popular Arduino microcontroller platform as an instrument to teach topics...

Arduino Project 016 - L293D Motor Driver IC

Arduino Project 016 - L293D Motor Driver IC

In the previous project, you used a transistor to control the motor. In this project, you are going...