We will use an attiny2313 AVR microcontroller to display strings on an HD44780 LCD (4-bit mode).
482 bytes of flash written. Using internal oscillator.
## Connections
+-----------------------------------+----------------+ | HD44780 LCD | attiny2313 MCU | +-----------------------------------+----------------+ | PIN 1 (GND) | | | PIN 2 (+5V) | | | PIN 3 (contrast/GND) | | | PIN 4 (reg select) | PIN 2 (PD0) | | PIN 5 (R/W) | PIN 3 (PD1) | | PIN 6 (Enable) | PIN 6 (PD2) | | PIN 7 | | | PIN 8 | | | PIN 9 | | | PIN 10 | | | PIN 11 | PIN 12 (PB0) | | PIN 12 | PIN 13 (PB1) | | PIN 13 | PIN 14 (PB2) | | PIN 14 | PIN 15 (PB3) | | PIN 15 (220 Omhs resistor to +5V) | | | PIN 16 (GND) | | +-----------------------------------+----------------+