Marzogh

Datatypes

1. void --> Returns no information
2. boolean --> 8 bit (0 or 1)
3. char --> signed 8-bit (-128 to 127)
4. Unsigned char/byte --> unsigned 8-bit (0 to 255)
5. int/short --> signed 16-bit (-32,768 to 32,767)
			Due --> signed 32-bit (-2,147,483,648 to 2,147,483,647)
6. unsigned int/word --> unsigned 16-bit (0 to 65,535)
			Due --> unsigned 32-bit (0 to 4,294,967,295)

Marzogh

#include <SD.h>

File file;
const uint8_t CS = 10; // SD chip select

    // YOUR SKETCH SHOULD UPDATE THESE SIX VALUES
    // EACH TIME BEFORE CREATING YOUR SD CARD FILE
unsigned int year = 2015;
byte month = 6;      
byte day = 18;

Marzogh

  // The ledIO() function turns on or off an LED (in a particular color - if RGB) based on the mode passed to it. The mode can be the color of LED - in lower case - if RGB
  //or simply on or off if a single color LED
  void ledIO(uint8_t mode)
  {
    switch (mode) {
    case 1:                                            //RED
      digitalWrite(RLED, HIGH);
      digitalWrite(GLED, LOW);
      digitalWrite(BLED, LOW);
      break;