[youtube=http://www.youtube.com/watch?v=Zq25CTEJEMQ]

We’re not going to debate the necessity of this one. [Todd] plays online games that will log you out after a few minutes of inactivity. To resolve this, he has created a circuit that mimics keyboard activity at a preset interval. While he notes that there is software for this, he points out that many games block the software. They can’t block legitimate keyboard activity.

[via HacketGadgets]