Actions

Difference between revisions of "Driving a shift register led display driver"

From Just in Time

Line 3: Line 3:
 
With some smart wiring, you can even count to 16 using 8 bits and 1 74HC164 (just use bit 7 to set the decimal).
 
With some smart wiring, you can even count to 16 using 8 bits and 1 74HC164 (just use bit 7 to set the decimal).
 
[[Image:Displ1.JPG]]
 
[[Image:Displ1.JPG]]
 +
 +
[[Image:Displ2.JPG]]

Revision as of 22:37, 23 October 2006

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