Clock with calendar
LiquidCrystal Library
Demonstrates the use a 16x2 LCD display. The LiquidCrystal library works with all LCD displays that are compatible with the Hitachi HD44780 driver. There are many of them out there, and you can usually tell them by the 16-pin interface. This sketch prints to the LCD the time and the date.
The circuit:
- LCD RS pin to digital pin 7
- LCD Enable pin to digital pin 8
- LCD D4 pin to digital pin 9
- LCD D5 pin to digital pin 10
- LCD D6 pin to digital pin 11
- LCD D7 pin to digital pin 12
- LCD R/W pin to ground
- LCD VSS pin to ground
- LCD VCC pin to 5V
- 10K resistor:
- ends to +5V and ground
- wiper to LCD VO pin (pin 3)