I am building my own serial terminal using just 3 ICs (2x ATmega328P and 74HC166. It works from 28800 up to 230400 bits per second and interprets (some) ANSI control sequences. Schematics, Arduino sketches and PCB layout are included. Have fun! GitHub project repository: Minimal UART CPU System: EDIT: Augusto Baffa has added support for US-international keyboard map: Building a Minimal VGA: Photograph of PDP-8 by ComputerGeek7066 (only part of the images shown) License: File URL: Photograph of DEC VT-100 by Jason Scott (showing only the foreground) License: File URL: