arduino pov 3

Persistence of vision display build on an old hard drive.

 

Parts (for display):

-1 Arduino pro mini

-16 leds w/ 220 ohm resistors

-2 8-bit shift registers

-4 AAA batteries

-1 tiny breadboard

-1 prototype pcb

- lots of wire

- 1 hall effect sensor (A3144)

- 1 10k resistor (for sensor)

- 1 tiny magnet (harvested from hdd)

 

Parts (for driving the motor)

- 1 Arduino pro mini

- 3 IFR520N N-channel mosfet

- 3 10k resistors (pull-down)

- 3 180ohm resistors (limiters)

- 3 leds (for debugging etc)

- 4 AA batteries (1.2 v rechargable)

 

 

Done