Hacking With Gum

In order to make hacking my Cenzic POV fan easier, I created a small tool kit consisting of a couple of Python scripts to aid in the creation of character maps and EEPROM images for the fan. The first Python script, ascii2cenzic.py, was mentioned in my original article; you simply pass it the ASCII text [...]

At Black Hat this year the Cenzic booth was giving away some portable personal fans, with a slight twist: these were persistence of vision fans. I’d only ever seen one other POV fan, and it wasn’t portable, so the Cenzic fan seemed like a prime candidate for hacking. Not having any prior experience with POV, [...]