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// Simple date conversions and calculations#include <Wire.h>#include "RTClib.h"void showDate(const char* txt, const DateTime& dt) { Serial.print(txt); Serial.print(' '); Serial.print(dt.year(), DEC); Serial.print('/'); Serial.print(dt.month(), DEC); Serial.print('/'); Serial.print(dt.day(), DEC); Serial.print(' '); Serial.print(dt.hour(), DEC); Serial.print(':'); Serial.print(dt.minute(), DEC); Serial.print(':'); Serial.print(dt.second(), DEC); Serial.print(" = "); Serial.print(dt.unixtime()); Serial.print("s / "); Serial.print(dt.unixtime() / 86400L); Serial.print("d since 1970"); Serial.println();}void setup () { Serial.begin(57600); DateTime dt0 (0, 1, 1, 0, 0, 0); showDate("dt0", dt0); DateTime dt1 (1, 1, 1, 0, 0, 0); showDate("dt1", dt1); DateTime dt2 (2009, 1, 1, 0, 0, 0); showDate("dt2", dt2); DateTime dt3 (2009, 1, 2, 0, 0, 0); showDate("dt3", dt3); DateTime dt4 (2009, 1, 27, 0, 0, 0); showDate("dt4", dt4); DateTime dt5 (2009, 2, 27, 0, 0, 0); showDate("dt5", dt5); DateTime dt6 (2009, 12, 27, 0, 0, 0); showDate("dt6", dt6); DateTime dt7 (dt6.unixtime() + 3600); // one hour later showDate("dt7", dt7); DateTime dt8 (dt6.unixtime() + 86400L); // one day later showDate("dt8", dt8); DateTime dt9 (dt6.unixtime() + 7 * 86400L); // one week later showDate("dt9", dt9);}void loop () {}
// Date and time functions using a DS1307 RTC connected via I2C and Wire lib#include <Wire.h>#include "RTClib.h"RTC_DS1307 RTC;void setup () { Serial.begin(57600); Wire.begin(); RTC.begin(); if (! RTC.isrunning()) { Serial.println("RTC is NOT running!"); // following line sets the RTC to the date & time this sketch was compiled RTC.adjust(DateTime(__DATE__, __TIME__)); }}void loop () { DateTime now = RTC.now(); Serial.print(now.year(), DEC); Serial.print('/'); Serial.print(now.month(), DEC); Serial.print('/'); Serial.print(now.day(), DEC); Serial.print(' '); Serial.print(now.hour(), DEC); Serial.print(':'); Serial.print(now.minute(), DEC); Serial.print(':'); Serial.print(now.second(), DEC); Serial.println(); Serial.print(" since midnight 1/1/1970 = "); Serial.print(now.unixtime()); Serial.print("s = "); Serial.print(now.unixtime() / 86400L); Serial.println("d"); // calculate a date which is 7 days and 30 seconds into the future DateTime future (now.unixtime() + 7 * 86400L + 30); Serial.print(" now + 7d + 30s: "); Serial.print(future.year(), DEC); Serial.print('/'); Serial.print(future.month(), DEC); Serial.print('/'); Serial.print(future.day(), DEC); Serial.print(' '); Serial.print(future.hour(), DEC); Serial.print(':'); Serial.print(future.minute(), DEC); Serial.print(':'); Serial.print(future.second(), DEC); Serial.println(); Serial.println(); delay(3000);}
// Arduino LCD Ambient Temperature Monitor.// Displays Current, 8 sec Average, Max and Min Temperature.// To wire your LED screen to your Arduino, connect the following pins: // LCD RS pin to digital pin 12 // LCD Enable pin to digital pin 11 // LCD D4 pin to digital pin 5 // LCD D5 pin to digital pin 4 // LCD D6 pin to digital pin 3 // LCD D7 pin to digital pin 2 // Additionally, wire a 10K pot to +5V and GND, with it's wiper (output) to LCD screens VO pin (pin3). // We used the on board power source (5v and Gnd) to power the LM35 and analog pin 0 (zero) to read the analog output from the sensor. // 17 January 2011// include the library code:#include <LiquidCrystal.h> // include the LCD driver library//declare variablesfloat tempC = 0; // variable for holding Celcius temp (floating for decimal points precision)float tempf = 0; // variable for holding Fareghneit tempint tempPin = 0; // Declaring the Analog input to be 0 (A0) of Arduino board.float samples[8]; // array to hold 8 samples for Average temp calculationfloat maxi = 0,mini = 100; // max/min temperature variables with initial values. LM35 in simple setup only measures Temp above 0.int i;// initialize the library with the numbers of the interface pinsLiquidCrystal lcd(12, 11, 5, 4, 3, 2);void setup(){Serial.begin(9600); //opens serial port, sets data rate to 9600 bpspinMode(13, OUTPUT); // The Red arduino led lcd.begin(20, 4); // set up the LCD's number of columns and rows: lcd.setCursor(0, 0); // set LCD cursor position (column, row)lcd.print("Joao Oliveira "); // print text to LCDlcd.setCursor(0, 1);lcd.print("Temperature Project");delay(5000); // wait 500mslcd.clear(); // clear LCD displaylcd.setCursor(0, 0);lcd.print("LCD Ambient Temp");lcd.setCursor(0, 1);lcd.print(" Digital Monitor "); delay(5000);lcd.clear();}void loop(){digitalWrite(13, LOW); // set the LED on// Start of calculations FOR loop.for(i = 0;i<=7;i++){ // gets 8 samples of temperaturesamples[i] = ( 4.4 * analogRead(tempPin) * 100.0) / 1024.0; // conversion math of LM35 sample to readable temperature and stores result to samples array. 1024 is the Bit depth (quantization) of Arduino.// 5 is the supply volts of LM35. Change appropriatelly to have correct measurement. My case is 4.4Volts.// Serial.println(samples[i]); Serial.print("."); // print a dot for every sample at serial monitor// Display Current Celcius Temp to LCD// ( LCD note: line 1 is the second row, since counting begins with 0):lcd.setCursor(0, 0); // set LCD cursor positionlcd.print("Temp. Atual: "); // print to LCDlcd.setCursor(12, 0); lcd.print(samples[i]); // print current Temp sample to LCDtempC = tempC + samples[i]; // do the addition for average temperaturedelay(800); // wait 800ms} // END of FOR loopSerial.println(""); // Like and CR at serial monitorSerial.println("");tempC = tempC/8.0; // calculated the averare of 8 samples in Celciustempf = (tempC * 9)/ 5 + 32; // converts to fahrenheit if(tempC > maxi) {maxi = tempC;} // set max temperatureif(tempC < mini) {mini = tempC;} // set min temperature// Send Results to Serial MonitorSerial.println("New measurement");Serial.print(" Average Temperature in Celcius is " ); //send the data to the computerSerial.println(tempC);//send the data to the computerSerial.print(" Average Temperature in Farenait is " ); //send the data to the computerSerial.println(tempf);//send the data to the computerSerial.print(" MAX Temperature in Celcius is " ); //send the data to the computerSerial.println(maxi);//send the data to the computerSerial.print(" MIN Temperature in Celcius is " ); //send the data to the computerSerial.println(mini);//send the data to the computer// Send results to LCD.lcd.setCursor(0, 1);lcd.print(" Av.T Max Min");// set the cursor to column 0, line 1// (note: line 1 is the second row, since counting begins with 0):lcd.setCursor(0, 2);// print the measured temp averagelcd.print(tempC);lcd.setCursor(6, 2);// print the maximum temp lcd.print(maxi);lcd.setCursor(12, 2);// print the minimum temp lcd.print(mini);digitalWrite(13, HIGH); // set the LED offdelay(3000); // Wait about 3 seconds to display the results to LCD screen befor starting the loop againtempC = 0; // Set tempC to 0 so calculations can be done again}
Serial.print(txt); Serial.print(' '); Serial.print(dt.year(), DEC); Serial.print('/'); Serial.print(dt.month(), DEC); Serial.print('/'); Serial.print(dt.day(), DEC); Serial.print(' '); Serial.print(dt.hour(), DEC); Serial.print(':'); Serial.print(dt.minute(), DEC); Serial.print(':'); Serial.print(dt.second(), DEC);
// Arduino LCD Ambient Temperature Monitor.// Displays Current, 8 sec Average, Max and Min Temperature.// To wire your LED screen to your Arduino, connect the following pins: // LCD RS pin to digital pin 12 // LCD Enable pin to digital pin 11 // LCD D4 pin to digital pin 5 // LCD D5 pin to digital pin 4 // LCD D6 pin to digital pin 3 // LCD D7 pin to digital pin 2 // Additionally, wire a 10K pot to +5V and GND, with it's wiper (output) to LCD screens VO pin (pin3). // We used the on board power source (5v and Gnd) to power the LM35 and analog pin 0 (zero) to read the analog output from the sensor. // 17 January 2011// include the library code:#include <LiquidCrystal.h> // include the LCD driver library//declare variablesfloat tempC = 0; // variable for holding Celcius temp (floating for decimal points precision)float tempf = 0; // variable for holding Fareghneit tempint tempPin = 0; // Declaring the Analog input to be 0 (A0) of Arduino board.float samples[8]; // array to hold 8 samples for Average temp calculationfloat maxi = 0,mini = 100; // max/min temperature variables with initial values. LM35 in simple setup only measures Temp above 0.int i;// initialize the library with the numbers of the interface pinsLiquidCrystal lcd(12, 11, 5, 4, 3, 2);void setup(){Serial.begin(9600); //opens serial port, sets data rate to 9600 bpspinMode(13, OUTPUT); // The Red arduino led lcd.begin(20, 4); // set up the LCD's number of columns and rows: lcd.setCursor(0, 0); // set LCD cursor position (column, row)lcd.print("Joao Oliveira "); // print text to LCDlcd.setCursor(0, 1);lcd.print("Temperature Project");delay(5000); // wait 500mslcd.clear(); // clear LCD displaylcd.setCursor(0, 0);lcd.print("LCD Ambient Temp");lcd.setCursor(0, 1);lcd.print(" Digital Monitor "); delay(5000);lcd.clear();}void loop(){digitalWrite(13, LOW); // set the LED on// Start of calculations FOR loop.for(i = 0;i<=7;i++){ // gets 8 samples of temperaturesamples[i] = ( 4.4 * analogRead(tempPin) * 100.0) / 1024.0; // conversion math of LM35 sample to readable temperature and stores result to samples array. 1024 is the Bit depth (quantization) of Arduino.// 5 is the supply volts of LM35. Change appropriatelly to have correct measurement. My case is 4.4Volts.// Serial.println(samples[i]); Serial.print("."); // print a dot for every sample at serial monitor// Display Current Celcius Temp to LCD// ( LCD note: line 1 is the second row, since counting begins with 0):lcd.setCursor(0, 0); // set LCD cursor positionlcd.print("Temp. Atual: "); // print to LCDlcd.setCursor(12, 0); lcd.print(samples[i]); // print current Temp sample to LCDtempC = tempC + samples[i]; // do the addition for average temperaturedelay(800); // wait 800ms} // END of FOR loopSerial.println(""); // Like and CR at serial monitorSerial.println("");tempC = tempC/8.0; // calculated the averare of 8 samples in Celciustempf = (tempC * 9)/ 5 + 32; // converts to fahrenheit if(tempC > maxi) {maxi = tempC;} // set max temperatureif(tempC < mini) {mini = tempC;} // set min temperature// Send Results to Serial MonitorSerial.println("New measurement");Serial.print(" Average Temperature in Celcius is " ); //send the data to the computerSerial.println(tempC);//send the data to the computerSerial.print(" Average Temperature in Farenait is " ); //send the data to the computerSerial.println(tempf);//send the data to the computerSerial.print(" MAX Temperature in Celcius is " ); //send the data to the computerSerial.println(maxi);//send the data to the computerSerial.print(" MIN Temperature in Celcius is " ); //send the data to the computerSerial.println(mini);//send the data to the computer// Send results to LCD.lcd.setCursor(0, 1);lcd.print(" Av.T Max Min");// set the cursor to column 0, line 1// (note: line 1 is the second row, since counting begins with 0):lcd.setCursor(0, 2);// print the measured temp averagelcd.print(tempC);lcd.setCursor(6, 2);// print the maximum temp lcd.print(maxi);lcd.setCursor(12, 2);// print the minimum temp lcd.print(mini);digitalWrite(13, HIGH); // set the LED offdelay(3000); // Wait about 3 seconds to display the results to LCD screen befor starting the loop againtempC = 0; // Set tempC to 0 so calculations can be done againlcd.setCursor(0, 3); Serial.print(txt); lcd.print(' '); lcd.print(dt.year(), DEC); lcd.print('/'); lcd.print(dt.month(), DEC); lcd.print('/'); lcd.print(dt.day(), DEC); lcd.print(' '); lcd.print(dt.hour(), DEC); lcd.print(':'); lcd.print(dt.minute(), DEC); lcd.print(':'); lcd.print(dt.second(), DEC);delay(1000); }
// Projeto Arduino Primeiro por George Mentzikof.// Arduino Monitor LCD temperatura ambiente.// Mostra atuais, 8 seg Média, Max e Min temperatura.// Para ligar o seu ecrã LED para o Arduino, conecte os pinos seguintes:// LCD RS pino para pino digital 12// LCD Habilitar pinos ao pino digital 11// LCD D4 pinos ao pino digital 5// LCD D5 pinos para o sistema digital 4// LCD D6 pinos ao pino digital 3// LCD D7 pinos ao pino digital 2// Além disso, ligar um pote de 10K para +5 V e GND, com a sua limpeza (de saída) para ecrãs LCD VO pino (pin3).// Usamos a placa da fonte de alimentação (5v e GND) para o poder. LM35 e pino analógico 0 (zero) para ler a saída analógica do sensor// 17 janeiro de 2011// Incluir o código da biblioteca:#include <LiquidCrystal.h> // Inclui a biblioteca para LCD#include <Wire.h> // Biblioteca para RTC #include "RTClib.h"// Declarar variaveisRTC_DS1307 RTC;float tempC = 0; // Variável para a realização de Celcius temp (flutuante de precisão decimal pontos)float tempf = 0; // Variável para a realização de Fareghneit temperaturaint tempPin = 0; // Declarando a entrada analógica para ser 0 (A0) da placa Arduino.float samples[8]; // Array para armazenar 8 amostras para o cálculo da temperatura médiafloat maxi = 0,mini = 100; // Max / min variáveis ??de temperatura, com valores iniciais. LM35 na configuração simples só mede acima de 0 Temp.int i3;// Inicializar a biblioteca com os números dos pinos da interfaceLiquidCrystal lcd(12, 11, 5, 4, 3, 2);void setup(){Wire.begin(); // Iniciar Biblioteca para RTC RTC.begin();Serial.begin(9600); //abre a porta serial, define a taxa de dados a 9600 bpspinMode(13, OUTPUT); // Led Brancolcd.begin(20, 4); // Numero de linhas e colunas do LCD: lcd.setCursor(0, 0); // Posição co corsor (linha e coluna)lcd.print("Joao Oliveira"); // Escreve no LCDlcd.setCursor(0, 1);lcd.print("Arduino project");delay(2000); // Espera 2 segundoslcd.clear(); // clear LCD displaylcd.setCursor(0, 0);lcd.print("LCD Ambient Temp"); //Escreve no LCDlcd.setCursor(0, 1);lcd.print("Monitor Digital "); //escreve no LCD lcd.setCursor(0, 2);lcd.print("Ver. 1.3"); //Escreve no LCD delay(2000);lcd.clear();}void loop(){DateTime now = RTC.now(); digitalWrite(13, LOW); // Liga Led brancoSerial.println(analogRead(tempPin)); // Mostra no monitor serial o valor amostrado antes da conversão para leitura da temperatura real,// Começa os cálculos para circuito.for(i3 = 0;i3<=7;i3++){ // obtém 8 amostras de temperaturasamples[i3] = ( 4.4 * analogRead(tempPin) * 100.0) / 1024.0; // matemática conversão do LM35 amostra à temperatura legível e armazena o resultado em array amostras. 1024 é a profundidade de bits (quantização) do Arduino.// 5 is the supply volts of LM35. Change appropriatelly to have correct measurement. My case is 4.4Volts.// Serial.println(samples[i3]); Serial.print("."); // print a dot for every sample at serial monitor// Display Current Celcius Temp to LCD// ( LCD note: line 1 is the second row, since counting begins with 0):lcd.setCursor(0, 0); // set LCD cursor positionlcd.print("Temp.atual: "); // Escreve no LCDlcd.setCursor(12, 0); lcd.print(samples[i3]); //imprime Temperatura atual no LCDlcd.setCursor(0, 3); // Posição do cursortempC = tempC + samples[i3]; // Calcula a temperatura médiadelay(800); // Espera 800ms DateTime now = RTC.now(); lcd.print(now.hour(), DEC); lcd.print(':'); lcd.print(now.minute(), DEC); lcd.print(':'); lcd.print(now.second(), DEC); lcd.print(" "); lcd.print(now.day(), DEC); lcd.print('/'); lcd.print(now.month(), DEC); lcd.print('/'); lcd.print(now.year(), DEC); lcd.print(' ');} // END of FOR loopSerial.println(""); // Like and CR at serial monitorSerial.println("");tempC = tempC/8.0; // calculated the averare of 8 samples in Celciustempf = (tempC * 9)/ 5 + 32; // converts to fahrenheit if(tempC > maxi) {maxi = tempC;} // set max temperatureif(tempC < mini) {mini = tempC;} // set min temperature// Send results to LCD.lcd.setCursor(0, 0);lcd.print("Av.T Max Min");// set the cursor to column 0, line 1// (note: line 1 is the second row, since counting begins with 0):lcd.setCursor(0, 1);// print the measured temp averagelcd.print(tempC);lcd.setCursor(6, 1);// print the maximum temp lcd.print(maxi);lcd.setCursor(12, 1);// print the minimum temp lcd.print(mini);digitalWrite(13, HIGH); // set the LED offdelay(1000); // Wait about 0.8 seconds to display the results to LCD screen befor starting the loop againtempC = 0; // Set tempC to 0 so calculations can be done again}
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