Quote Originally Posted by shahidali55
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Now next i'm going to make a 4 segment led clock using the PIC12C508A.
Using the 12C508A, i can make the clock for less than $0.59 ! ! !

How will you use 12C508A to drive 4 segments?

You need 8 pins for LEDs and 4 pins for the commons; Totally 12 pins.

Will you use a serial 4x7 LED display?
If yes, it won't save you much money.


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