Padow] put together an Arduino Uno, SD card, four line character LCD, and PS/2 keyboard. but he’s also included alternative options to go without an LCD screen ... each line of code with a ...

Instead, [Ivan] decided to drive it directly from an Arduino Uno ... RAM and flash. The code is available on Github. If you need inspiration for your own controllerless LCD driver.

Assume that you are moving towards a complex microcontroller project bundled with blinkers, beepers, and a display panel. To link a standard 16×2 LCD directly with the microcontroller, for instance ...