| 이름 | 설명 |
|---|---|
| Hd44780LcdConnection | Based on https://github.com/adafruit/Adafruit-Raspberry-Pi-Python-Code/blob/master/Adafruit_CharLCD/Adafruit_CharLCD.py and http://lcd-linux.sourceforge.net/pdfdocs/hd44780.pdf and http://www.quinapalus.com/hd44780udg.html and http://robo.fe.uni-lj.si/~kamnikr/sola/urac/vaja3_display/How%20to%20control%20HD44780%20display.pdf and http://web.stanford.edu/class/ee281/handouts/lcd_tutorial.pdf and http://www.systronix.com/access/Systronix_20x4_lcd_brief_data.pdf |
| Hd44780Position | Represents the position of the cursor on a Hd44780 display. |