Summary of LCD Interface Board Using ATTiny2313
This article describes an LCD interface board compatible with STK 500 and ATTiny2313 ISP programmers via a 10-pin flat cable. The board features a 16x2 Hitachi HD44780 display with a switchable LED backlight, contrast adjustment, and five key switches. It connects to a single AVR microcontroller port and supports applications like digital clocks, countdown timers, and RS232 text writing.
Parts used in the LCD Interface Board:
- STK 500 board
- ATTiny2313 ISP program board
- 10 pole flatcable
- LCD/Switch board
- Hitachi HD44780 compatible display
- LED backlight
- Jumper for backlight control
- AVR-microcontroller
- Five key switches
- Contrast adjustment mechanism
Description
This board can directly connected to the STK 500 board or the ATTiny2313 ISP program board with a 10 pole flatcable on the 10 pin header of the STK500 and the 10 pin header of the LCD/Switch board. The display has 16*2 character positions and is Hitachi HD44780 compatible, and also has a LED backlight that can be switched on/off by a jumper.
It uses only one port of the AVR-microcontroller. It also has five key switches. It has an contrast adjustment for the LCD module. There are several application programs for it, like a digital clock and a countdown timer and a program to write text on the display via the RS232 port.
For more details, click: LCD Interface Board Using ATTiny2313
- How does the board connect to the STK 500?
The board connects directly to the STK 500 board or the ATTiny2313 ISP program board using a 10 pole flatcable on the respective 10 pin headers. - What type of display is used on this board?
The board uses a 16*2 character position display that is Hitachi HD44780 compatible. - Can the LED backlight be turned off?
Yes, the LED backlight can be switched on or off by using a jumper. - How many ports of the AVR-microcontroller does it use?
The board uses only one port of the AVR-microcontroller. - How many key switches are included?
The board has five key switches. - Is there an option to adjust the display contrast?
Yes, there is a contrast adjustment provided for the LCD module. - What application programs are supported?
Supported programs include a digital clock, a countdown timer, and a program to write text on the display via the RS232 port. - Does the board support RS232 communication?
Yes, you can write text on the display via the RS232 port.
