This is a bus pirate connected to an SSD1306 OLED display. A python script interfaces with the bus pirate using the raw binary mode.
Borrowed Python code from Markus Gritsch at:
http://dangerousprototypes.com/forum/viewtopic.php?f=56&t=6495
The excellent Bus Pirate:
http://www.seeedstudio.com/depot/bus-pirate-v3-assembled-p-609.html?cPath=61_68
OLED display from eBay.