I had already guessed that Jay was over 30!(hex) ;-)

8052 things I've done:
switch-to-led (3bytes - you have to start some place!);
bits of LCD messages to 7-seg display;
bits of LCD messages to graphic LCD;
keyboard/LCD controller;
1-to-2 RS232 multiplexor;
ticket spitter controller;
8085 stuff :
robot car (finalist, Paris, 1980);
control/teach panel for industrial robot;
lots of security system controllers;
10-pin bowling scoring system;
industrial boiler controller;
& probably some more!

Regards,
Richard
(also over 30H ;-)