[Lab] cheapest way to make these?

Michael krazatchu at hotmail.com
Mon Aug 22 12:13:33 EDT 2011

Do you want to integrate the Arduino within it, with our without USB? Or 
build it as a mini/nano/full-size shield?
How about making an 8 LED unit that allows for additional units to be 
plugged in/daisy chained...
You might consider a shift register like the HEF4094 running off SPI to 
extend your i/o and chain units....

PCBs from iTead or Seeed run about a dollar something a board...
The shield option is the cheapest in terms of parts...
Let me know if you want some help with the hardware, it looks like a fun 


On 8/22/2011 9:51 AM, Darcy Whyte wrote:
> I made up a prototype of one of these with an arduino.
> If I wanted to make a bunch of them what would be the cheapest way of 
> going about it?
> Perhaps a 5, 16 and 32 LED version.
> You can see the timing of the LED flashing in the code.
> http://mambohead.com/2011/08/worlds-first-stationary-pov/
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