Solar-Oriented Clock
By Quarterturn
Copyright 2011
Free License for Non-Commercial Use
[email protected]

Description:
A clock which adjusts for DST per user-configurable schedule, computes sunrise, sunset and noon based on the long and lat coordinates and also displays the current moon phase.

Software:
Arduino 1.0

External Libraries:
#include <avr/pgmspace.h>
// for using atmega eeprom
#include <EEPROM.h>
// debounced button library
#include <Bounce.h> v 1.6
// for LCD
#include <LiquidCrystal.h>
// for using i2c interface
#include <Wire.h>

Hardware:
Atmega328
DS3231 RTC
20x2 Noritake LCD-compatible VFD
3v lithium coin cell for DS3231 backup power

Feature of Note:
Allows for per-digit setting and data validation.