This is a PiDP-11, Oscar Vermeulen's 6:10-scale replica of the iconic PDP-11/70 minicomputer introduced by DEC in 1975.
Beige-o-Vision - YouTube intro to the PDP-11 and the PiDP-11 kit
CuriousMarc talks to Oscar about his DEC PDP replicas
Wikipedia - Digital Equipment Corporation PDP-11 Minicomputer
Ars Technica - PDP-11: The Most Influential Minicomputer of All Time
This page has been served by 2.11BSD httpd, a small web server by Aaron Jackson and Chase Covello running on the emulated PDP-11/70 itself.