3 Simple Ways to Share What You Make
With Instructables you can share what you make with the world and tap into an ever-growing community of creative experts.
Create on the go:
With Instructables you can share what you make with the world and tap into an ever-growing community of creative experts.
Oct 26, 2011
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Comment: gupta....it takes (to be precise), 2.1 volts to power a red led...not 1.5 -.-
Comment: newbie here......what does a shift register do and is it necessary for scrolling text??…