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711

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.donstudio.cn/?id=278

标签: Arduino

相关文章

Arduino Project 034 - TM1637 4Digital 7Segment Display Module

Arduino Project 034 - TM1637 4Digital 7Segment Display Module

A standard 4-digit 7-segment display is needed for clock, timer and counter projects, but it usually...

Arduino Project 009 - LED Fire Effect

Arduino Project 009 - LED Fire Effect

Project 9 will use LEDs and a flickering random light effect, via PWM again, to mimic the effect of...

Arduino Project 028A - Basic Stepper Control (Bipolar)

Arduino Project 028A - Basic Stepper Control (Bipolar)

In this very simple project, you will connect up a stepper motor and then get the Arduino to control...

Arduino Project 004 - LED Interactive Traffic Lights

Arduino Project 004 - LED Interactive Traffic Lights

This time you are going to extend the previous project to include a set of pedestrian lights and a p...

Arduino Project 039 - Ultrasonic Distance Display

Arduino Project 039 - Ultrasonic Distance Display

Ultrasonic sensors measure distance by sending and receiving the ultrasonic wave. The ultrasonic sen...

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...