#include <SD.h> #include "DHT.h" #include <Wire.h> #include "RTClib.h" #include "DS1307.h" #define DHTPIN A0 #define DHTTYPE DHT22 DHT dht(DHTPIN, DHTTYPE); DS1307 clock; // declare object for DS3234 class const int chipSelect = 10; void setup() { // Open serial communications and wait for port to open: Serial.begin(9600); while (!Serial) { ; // wait for serial port to connect. Needed for Leonardo only } Serial.print("Initializing SD card..."); // make sure that the default chip select pin is set to // output, even if you don't use it: pinMode(10, OUTPUT); // see if the card is present and can be initialized: if (!SD.begin(chipSelect)) { Serial.println("Card failed, or not present"); // don't do anything more: return; } Serial.println("card initialized."); // create a new file char filename[] = "LOGGER00.txt"; for (uint8_t i = 0; i < 100; i++) { filename[6] = i/10 + '0'; filename[7] = i%10 + '0'; if (! SD.exists(filename)) { // only open a new file if it doesn't exist break; // leave the loop! } } Serial.print("Logging to: "); Serial.println(filename); // Enter the time and date when flashing the program clock.begin(); clock.fillByYMD(2015,2,15);//Feb 15,2015 clock.fillByHMS(22,55,30);//19:05 30" clock.fillDayOfWeek(SUN);//Sunday clock.setTime();//write time to the RTC chip } void loop() { // Reading temperature or humidity takes about 250 milliseconds! // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor) float h = dht.readHumidity(); float t = dht.readTemperature(); delay(60000); // wait one second (1000) before do it again (60 sec =1 min) 60 *1000 //Time stamp for your program printTime(); // check if returns are valid, if they are NaN (not a number) then something went wrong! if (isnan(t) || isnan(h)) { Serial.println("Failed to read from DHT"); } else { Serial.print("Humidity: "); Serial.print(h); Serial.print(" %\t"); Serial.print("Temperature: "); Serial.print(t); Serial.println(" *C"); } } void printTime() { clock.getTime(); Serial.print(clock.hour, DEC); Serial.print(":"); Serial.print(clock.minute, DEC); Serial.print(":"); Serial.print(clock.second, DEC); Serial.print(" "); Serial.print(clock.month, DEC); Serial.print("/"); Serial.print(clock.dayOfMonth, DEC); Serial.print("/"); Serial.print(clock.year+2000, DEC); Serial.print(" "); Serial.print(clock.dayOfMonth); Serial.print("*"); switch (clock.dayOfWeek)// Friendly printout the weekday { case MON: Serial.print("MON"); break; case TUE: Serial.print("TUE"); break; case WED: Serial.print("WED"); break; case THU: Serial.print("THU"); break; case FRI: Serial.print("FRI"); break; case SAT: Serial.print("SAT"); break; case SUN: Serial.print("SUN"); break; } Serial.println(" "); } list item