Padow] put together an Arduino Uno, SD card, four line character LCD, and PS/2 keyboard ... not think back to an orange or green monochrome display. Just like decades past, this implementation ...

To display the caller’s information, [Dilshan] is using an Arduino Uno and common 16×2 HD44780 LCD. As a nice touch, the code will even blink the Arduino’s onboard LED when you’ve missed a ...