The project is being controlled by AVR AT90S2313 to produce a display built of 50×7 LEDs that illustrates the effect of scrolling text. The computer is using the serial RS232 port to send the text or ...

Most Hackaday readers are likely to be familiar with character LCDs driven by the extremely common Hitachi HD44780 controller chip. If you’re looking for a cheap and easy way for your microcontroller ...