rynot Posted September 20, 2005 Report Share Posted September 20, 2005 I have a two digit countdown timer using a PIC16F872. The outputs are Quote Link to comment Share on other sites More sharing options...
prateeksikka Posted September 21, 2005 Report Share Posted September 21, 2005 no the program need not be changes u can use a 74154 or any other of its substitute to act as a 2 to 4 line decoder.u told u already have 2 pic outputs,u can pass these o/ps to 2 to 4 decoder and 4 o/ps will go to 4 digits. as simple as that!!! Quote Link to comment Share on other sites More sharing options...
Guest Alun Posted September 21, 2005 Report Share Posted September 21, 2005 Why are you using a PIC for such a simple operation?When you can buy specialised counter IC's to do this job like the 74160. Quote Link to comment Share on other sites More sharing options...
rynot Posted September 23, 2005 Author Report Share Posted September 23, 2005 the pic is being used for other features that the unit has...ie buzzer control, mode functions and other functions. Quote Link to comment Share on other sites More sharing options...
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