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Driving a shift register led display driver

From Just in Time

Revision as of 22:37, 23 October 2006 by Veecee42 (talk | contribs)

Using a shift register like the 74HC164 you can drive a 7-seg display using only 2 lines from the processor.

With some smart wiring, you can even count to 16 using 8 bits and 1 74HC164 (just use bit 7 to set the decimal). Displ1.JPG

File:Displ2.JPG