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LCD/switch interface




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.

switch interface

You can puchase the ATTiny2313 board at www.bizztronix.euIt 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.

LCDswitch interface scamatic

Schematic and Layout

For more detail:  LCD/switch interface

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