User Manual

ManualsBrandsWayinTop ManualsComputers & AccessoriesReal Time Clock Kit with Tutorial for Arduino, Clock Module + Micro SD Card Driver + Nano V3.0 Development Board + OLED 128X64 Display + Buzzer + Breadboard Jumper Wires

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Table Of Contents

Parts Required

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case 2: draw_text(0, 0, " MONDAY ", 1); break;

case 3: draw_text(0, 0, " TUESDAY ", 1); break;

case 4: draw_text(0, 0, "WEDNESDAY", 1); break;

case 5: draw_text(0, 0, "THURSDAY ", 1); break;

case 6: draw_text(0, 0, " FRIDAY ", 1); break;

default: draw_text(0, 0, "SATURDAY ", 1);

}

}

void DS3231_display(){

// Convert BCD to decimal

second = (second >> 4) * 10 + (second & 0x0F);

minute = (minute >> 4) * 10 + (minute & 0x0F);

hour = (hour >> 4) * 10 + (hour & 0x0F);

date = (date >> 4) * 10 + (date & 0x0F);

month = (month >> 4) * 10 + (month & 0x0F);

year = (year >> 4) * 10 + (year & 0x0F);

// End conversion

Time[7] = second % 10 + 48;

Time[6] = second / 10 + 48;

Time[4] = minute % 10 + 48;

Time[3] = minute / 10 + 48;

Time[1] = hour % 10 + 48;

Time[0] = hour / 10 + 48;

Calendar[9] = year % 10 + 48;

Calendar[8] = year / 10 + 48;

Calendar[4] = month % 10 + 48;

Calendar[3] = month / 10 + 48;

Calendar[1] = date % 10 + 48;

Calendar[0] = date / 10 + 48;

if(temperature_msb < 0){

temperature_msb = abs(temperature_msb);

temperature[0] = '-';

}

else

temperature[0] = ' ';

temperature_lsb >>= 6;

temperature[2] = temperature_msb % 10 + 48;

temperature[1] = temperature_msb / 10 + 48;

if(temperature_lsb == 0 || temperature_lsb == 2){

temperature[5] = '0';

if(temperature_lsb == 0) temperature[4] = '0';