Which is something I’ve been wanting for years, and not because I harbor any kind of weird anti-Simon resentment. I just think it would make bag workouts way more interesting. The project has an Arduino for brains, and has been pretty well documented by its creator Lior Elazary. Next: Spice it up a bit, add more striking zones, different color LEDs, maybe some screaming, groaning, grunting, and/or Steven-Seagal-style bone-breaking sound FX. Nice work, Lior! [via Hacked Gadgets]