Скачать или смотреть Arduino Tutorial #23 How to make Arduino Real Time Clock with Real Time Temperature.

Arduino Tutorial #23 How to make Arduino Real Time Clock (DS 1302) with Real Time Temperature.
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DHT22 library Github link
https://github.com/adafruit/DHT-senso...

Real Time Clock (DS1302) library
http://www.rinkydinkelectronics.com/l...


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LIST OF COMPONENT (affiliate links)

http://amzn.to/2fvSRJq (Arduino)
http://amzn.to/2gRFSiv (RTC DS1302)
http://amzn.to/2yBk7eT (LCD display)
http://amzn.to/2vqIKJP (DHT22)
http://amzn.to/2vYitnO (Potentiometer)
http://amzn.to/2vmSK8l (Resistor)
http://amzn.to/2wxPmWz (Breadboard)
http://amzn.to/2vJ3lvo (Jumper wire)

#include (LiquidCrystal.h) //instead of parenthesis () put angle bracket as YouTube description does not allow angle bracket
#include (DS1302.h)
#include "DHT.h"
#define DHTPIN 10
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

// Init the DS1302
DS1302 rtc(2, 3, 4);

// Init the LCD
LiquidCrystal lcd(12, 11, 8, 7, 6, 5);

void setup()
{
// Set the clock to run-mode, and disable the write protection
rtc.halt(false);
rtc.writeProtect(false);
dht.begin();

// Setup LCD to 16x2 characters
lcd.begin(16, 2);

// The following lines can be commented out to use the values already stored in the DS1302
rtc.setDOW(MONDAY); // Set Day-of-Week to FRIDAY
rtc.setTime(12, 11, 0); // Set the time to 12:00:00 (24hr format)
rtc.setDate(30, 10, 2017); // Set the date to August 6th, 2010
}

void loop()
{
// Display time on the left conrner upper line
lcd.setCursor(0, 0);
lcd.print(rtc.getTimeStr());

// Display abbreviated Day-of-Week in the lower left corner
lcd.setCursor(0, 1);
lcd.print(rtc.getDOWStr(FORMAT_SHORT));

// Display date in the lower right corner
lcd.setCursor(6, 1);
lcd.print(rtc.getDateStr());
float t = dht.readTemperature();
// Display tempreture right side corner on the upper line
lcd.setCursor(9, 0);
lcd.print(t);
lcd.print("*C");

// Wait one second before repeating
delay (1000);
}