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request for controller technology ideas

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Hi. I'm extremely new to the feild of controller tech and i'm looking for something that could control the on/off states of about 6000 electrodes (or electrical charge output devices) simultaneously.

The on/off states would be read from a removable media device holding (i suppose) 2megs of data or less. i assume the data would be in the form of a "." for 'ON' and a " " for 'OFF'.

i assume LCD controller tech would be the best solution, but i need it to be low power.

anyideas / refinements / suggestions would be very welcome; i'm a newcommer so go easy on me :)

-- Jameson
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