Data logger Temp / Vocht en 2 analoge ingangen 0-25V
/*
Pin Digital 2 -> Pin CE - RST modulo RTC
Pin Digital 3 -> Pin I/O - DAT modulo RTC
Pin Digital 4 -> Pin CLCK - CLK modulo RTC
Pin Analogic A4 -> Pin SDA display
Pin Analogic A5 -> Pin SCL display
*/
#include <DS1302.h> // real time module
#include <Wire.h> //i2c
#include <LiquidCrystal_I2C.h> //lcd display
#include <SPI.h> // voor sd kaart
#include <SD.h> // voor sd kaart
#include "DHT.h" // temp sensor
#define DHTPIN 9 // aansluiting voor temp sensor
#define DHTTYPE DHT22 // temp sensor
DHT dht(DHTPIN, DHTTYPE); // Temp vocht sensor bepalen
int CS_PIN = 10; // cs pin van sd kaart, enige aansluiting die veranderd kan worden
int elkeseconde = 5; // ingangen voor selectie van data logging
int elkeminuut = 6;
int elkuur = 7;
//merker definieren
int merkerelkeseconde = 0;
int merkerelkeminuut = 0;
int merkerelkuur = 0;
const int chipSelect = 4; //aansturing sd kaart
// aansluitingen rtc
DS1302 rtc(2, 3, 4); // io voor RTC module
// adres van display
LiquidCrystal_I2C lcd(0x27, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE);
//analoge spannings ingang 1
const int voltageSensorPin = A3; // sensor pin
float vIn; // measured voltage (3.3V = max. 16.5V, 5V = max 25V)
float vOut;
float voltageSensorVal; // value on pin A3 (0 - 1023)
const float factor = 5.00; // reduction factor of the Voltage Sensor shield
const float vCC = 4.67; // Arduino input voltage (measurable by voltmeter)
//ingang 2
const int voltageSensorPin2 = A2; // sensor pin
float vIn2; // measured voltage (3.3V = max. 16.5V, 5V = max 25V)
float vOut2;
float voltageSensorVal2; // value on pin A2 (0 - 1023)
const float factor2 = 5.000; // reduction factor of the Voltage Sensor shield
const float vCC2 = 4.67; // Arduino input voltage (measurable by voltmeter)
Time t; // real time klok definieren in t
void setup()
{
rtc.halt(false);
rtc.writeProtect(false);
Serial.begin(9600);
// indien klok moet ingesteld worden onderste lijnen juist instellen
// rtc.setDOW(FRIDAY); // Set Day-of-Week to FRIDAY
// rtc.setTime(12, 0, 0); // Set the time to 12:00:00 (24hr format)
// rtc.setDate(6, 8, 2010); // Set the date to August 6th, 2010
//Pin definities
pinMode(CS_PIN, OUTPUT);
pinMode(elkeseconde, INPUT);
pinMode (elkeminuut, INPUT);
pinMode (elkuur, INPUT);
// while (!Serial) {
// ; // wait for serial port to connect. Needed for native USB port only
// }
Serial.print("Initializing SD card...");
// see if the card is present and can be initialized:
if (!SD.begin(chipSelect)) {
Serial.println("Card failed, or not present");
lcd.begin(16, 2); // initialize the lcd
lcd.home (); // go home
lcd.print("Geen SD kaart ");
delay(1000);
// don't do anything more:
while (1);
}
Serial.println("card initialized.");
lcd.begin(16, 2); // initialize the lcd
lcd.clear();
// lcd.home (); // go home
// lcd.setCursor ( 0, 0 ); // go to the next line
lcd.print("SD kaart ");
// lcd.setCursor ( 0, 1 ); // go to the next line
lcd.print("herkend ");
delay(1000);
lcd.begin(16, 2); // initialize the lcd
// lcd.home (); // go home
lcd.setCursor ( 0, 0 ); // go to the next line
lcd.print("Data logger");
lcd.setCursor ( 0, 1 ); // go to the next line
lcd.print (" C2020 Spike ");
delay(1000);
lcd.clear();
dht.begin(); // initialize the sensor
}
void loop()
{
// read humidity
float humi = dht.readHumidity(); // read temperature as Celsius
float tempC = dht.readTemperature(); //float tempF = dht.readTemperature(true);
// check if any reads failed
if (isnan(humi) || isnan(tempC) ) {
Serial.println("Geen data van Temp sensor");
} else {
// Serial.print("Humidity: ");
Serial.print(humi);
Serial.print("%");
Serial.print(" , ");
// Serial.print("Temperature: ");
Serial.print(tempC);
Serial.println("�C ");
}
// Get data from the DS1302
t = rtc.getTime();
// Serial.print(rtc.getDOWStr()); // Dag
//Serial.print(" ");
Serial.print(rtc.getDateStr()); //Datum
Serial.print(" -- ");
Serial.println(rtc.getTimeStr()); //tijd
//Serial.println(t.hour, DEC);
//Serial.println(t.min, DEC);
//Serial.print(t.sec, DEC);
merkerelkeseconde = digitalRead (elkeseconde);
merkerelkeminuut = digitalRead (elkeminuut);
merkerelkuur = digitalRead (elkuur);
//ingang 1
voltageSensorVal = analogRead(voltageSensorPin); // read the current sensor value (0 - 1023)
vOut = (voltageSensorVal / 1024) * vCC; // convert the value to the real voltage on the analog pin
vIn = vOut * factor; // convert the voltage on the source by multiplying with the factor
Serial.print(" U1 = ");
Serial.print(vIn);
// Serial.print("V");
//ingang2
voltageSensorVal2 = analogRead(voltageSensorPin2); // read the current sensor value (0 - 1023)
vOut2 = (voltageSensorVal2 / 1024) * vCC2; // convert the value to the real voltage on the analog pin
vIn2 = vOut2 * factor2; // convert the voltage on the source by multiplying with the factor
Serial.print(" U2 = ");
Serial.println(vIn2);
// Serial.println("V");
lcd.setCursor(0, 0);
lcd.print(humi);
lcd.print(" % ");
lcd.print(tempC);
lcd.print("C ");
lcd.setCursor(0, 1);
lcd.print("V1=");
lcd.print(vIn);
lcd.println(" V");
lcd.setCursor(8, 1);
lcd.print("V2=");
lcd.print(vIn2);
lcd.println(" V");
if (merkerelkeseconde == HIGH){
Serial.println("Data logging elke seconde actief");
lcd.setCursor ( 15, 0 ); // go to the next line
lcd.print("S");
}
if (merkerelkeminuut == HIGH){
Serial.println("Data logging elke minuut actief");
lcd.setCursor ( 15, 0 );
lcd.print("M");
}
if (merkerelkuur == HIGH){
Serial.println("Data logging elk uur actief");
lcd.setCursor ( 15, 0); // go to the next line
lcd.print("H");
}
delay (800);
//logging elke seconde
if (merkerelkeseconde == HIGH) {
dataopslaan(); // Data routine om data op sd kaart op te slaan oproepen
}
//logging elke minuut
if ((merkerelkeminuut == HIGH) and (t.sec==0)) {
dataopslaan(); // Data routine om data op sd kaart op te slaan oproepen
}
//logging elk uur
if ((merkerelkeminuut == HIGH) and (t.min==0)) {
dataopslaan(); // Data routine om data op sd kaart op te slaan oproepen
}
}
void dataopslaan() {
//sd kaart
// open the file. note that only one file can be open at a time,
// so you have to close this one before opening another.
File dataFile = SD.open("datalog.txt", FILE_WRITE);
// if the file is available, write to it:
if (dataFile) {
// dataFile.println(dataString);
dataFile.print(rtc.getDateStr());
dataFile.print(", "); // comma's om cellen later te delen in excel
// dataFile.print(rtc.getDOWStr());
// dataFile.print(", ");
dataFile.print(rtc.getTimeStr());
dataFile.print(", ");
dataFile.print(",ingang 1 =, "); //analoge ingangen
dataFile.print(vIn);
dataFile.print(", ");
dataFile.print(",ingang 2 =, ");
dataFile.print(vIn2);
dataFile.println(", ");
// read humidity
float humi = dht.readHumidity();
float tempC = dht.readTemperature();
dataFile.print(humi);
dataFile.print(",%,");
dataFile.print(tempC);
dataFile.print(",�C,");
dataFile.close();
}
lcd.setCursor(0, 0);
lcd.println("Data Logging ");
/*DISPLAY
float humi = dht.readHumidity();
// read temperature as Celsius
float tempC = dht.readTemperature();
lcd.setCursor(0, 0);
lcd.print(humi);
lcd.print("% ");
lcd.print(tempC);
lcd.print("C");
lcd.setCursor(0, 1);
lcd.print("V1=");
lcd.print(vIn);
lcd.println(" V");
lcd.setCursor(8, 1);
lcd.print("V2=");
lcd.print(vIn2);
lcd.println(" V");
*/
delay (200);
}
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