
Andrejk uses an individually-controllable Christmas lights to indicate the presence of someone on his IM contact list.
Via Hack a Day.

Andrejk uses an individually-controllable Christmas lights to indicate the presence of someone on his IM contact list.
Via Hack a Day.
This comes full circle–I used the Open Bench Logic Sniffer to get my signal timings right for this project. I couldn’t have figured it out without it! :)