Carlos sent us this interesting take on persistence of vision tech. This “low tech – POV spinning display” uses an arduino, paint roller, and the contact braids from a toy slot car. Clever design – those contacts act as an effective timer/trigger, simplifying the manual animation(aka – waving) process. – Link

Related:

Menorah-POV – Link

From the MAKE store:
MiniPOV
MiniPOV3- An Inexpensive Persistence of Vision- Link.