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Posts: 2,222 | Thanked: 12,651 times | Joined on Mar 2010 @ SOL 3
#8
with those 6 diodes you hardly can illuminate particular keys while keeping others dark.

For Mohammad's POC (actually iirc I posted him how to do it ;-D), you simply add a
Code:
sleep 1
to inside the for-loop of my code snippet above ;-)

regarding power consumption: 6 * 5mA * ~2V = ~60mW
screen backlight is using up to 15 times that, iirc and my math still works

/j
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Last edited by joerg_rw; 2012-04-17 at 18:28.
 

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