[Ivan]’s LCD was a 320×240 STN device salvaged ... Instead, [Ivan] decided to drive it directly from an Arduino Uno. This is easier said than done. There are stringent timing requirements ...

He manages to drive the latch on ... line called for by the LCD protocol. This means you don’t lose any extra pins. Another way to uses the displays with Arduino is to use a smart controller ...

The addition of your favorite LCD display, a bunch of blinkers ... In principle, Charlieplexing technique allows you to drive “n 2 −n” LEDs using only “n” Arduino pins. Here, we are using 3 pins to ...

We might think that an AVR microcontroller – e.g. the ATMega328p adopted by the Arduino UNO boards – has the sufficient number of pins to manage an alphanumeric LCD. In a complex industrial machine ...