There was a thread on the Raspberry Pi forums about running a 16x2 HD44780 based display off the ATmega chip on the Gertboard. I normally use a shift register to run my display, so I wasn't much help to them. I decided to try and get it setup without the shift register to help out the folks having trouble. So, this instructable will detail how to go about getting an HD44780 display running off the ATmega ...Read more ›
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