Created
August 22, 2023 12:15
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Crafting Your Own Transparent Clock
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#include <SPI.h> | |
#include <Wire.h> | |
#include <Adafruit_GFX.h> | |
#include <Adafruit_SSD1306.h> | |
#define SCREEN_WIDTH 128 // OLED display width, in pixels | |
#define SCREEN_HEIGHT 64 // OLED display height, in pixels | |
#include "Arduino.h" | |
#include "uRTCLib.h" | |
// uRTCLib rtc; | |
uRTCLib rtc(0x68); | |
char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"}; | |
// Declaration for SSD1306 display connected using software SPI (default case): | |
#define OLED_MOSI 9 | |
#define OLED_CLK 10 | |
#define OLED_DC 11 | |
#define OLED_CS 12 | |
#define OLED_RESET 13 | |
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, | |
OLED_MOSI, OLED_CLK, OLED_DC, OLED_RESET, OLED_CS); | |
void setup() { | |
Serial.begin(9600); | |
rtc.set(0, 0, 3, 3, 11, 10, 22); | |
URTCLIB_WIRE.begin(); | |
// SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally | |
if(!display.begin(SSD1306_SWITCHCAPVCC)) { | |
Serial.println(F("SSD1306 allocation failed")); | |
for(;;); // Don't proceed, loop forever | |
} | |
} | |
void loop() { | |
Serial.print("Setting date and time"); | |
Serial.print(rtc.year()); | |
Serial.print('2023'); | |
Serial.print(rtc.month()); | |
Serial.print('07'); | |
Serial.print(rtc.day()); | |
Serial.print(" ("); | |
Serial.print(daysOfTheWeek[rtc.dayOfWeek()-4]); | |
Serial.print(") "); | |
Serial.print(rtc.hour()); | |
Serial.print('02'); | |
Serial.print(rtc.minute()); | |
Serial.print('54'); | |
Serial.println(rtc.second()); | |
Serial.print("Temperature: "); | |
Serial.print(rtc.temp() / 100); | |
Serial.print("\xC2\xB0"); //shows degrees character | |
Serial.println("C"); | |
Serial.println(); | |
delay(1000); | |
display.clearDisplay(); | |
display.setTextSize(1); | |
display.setTextColor(WHITE); | |
display.setCursor(0, 0); | |
// Display static text | |
display.print(" DIY ELECTRONIC "); | |
display.setTextSize(1); | |
display.setTextColor(WHITE); | |
display.setCursor(55, 50); | |
display.print("TEMP: "); | |
display.print(rtc.temp() / 100); | |
display.println("C"); | |
display.setTextSize(3); | |
display.setTextColor(WHITE); | |
display.setCursor(0, 20); | |
// Display static text | |
display.print(rtc.hour()); | |
display.print(':'); | |
display.print(rtc.minute()); | |
display.print(':'); | |
display.println(rtc.second()); | |
display.display(); | |
rtc.refresh(); | |
} |
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