Tuesday 11 September 2012

7 segment Up & Down Counter





7 segment Up & Down Counter

schematic diagram




7 SEGMENT DISPLAY my work table

components:

IC 's:

 NE555:-

74LS192:-


74LS247:-



7-segment Display( Common Anode ):-


Push button ( 2 pin ):-

Note: Always use IC base on PCB...



PCB DESIGN:-
DOWNLOAD PCB DESIGN 
CLICK THE LINK
https://rapidshare.com/files/2983823756/up & down counter 7 segment.pdf
https://rapidshare.com/files/3433516072/up & down counter 7 segment PCB.pdf


for extending purpose ,can use connectors


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5 comments:

  1. Unknown11 September 2012 at 06:59

    please comment if help needed.....

    ReplyDelete
  2. blueguisee15 April 2013 at 04:26

    This is a very nice circuit but I think the switches need debouncers.

    ReplyDelete
  3. Anonymous18 May 2013 at 02:44

    heyyy i hope u're still around, i was wondering how can i replace the S2 and S3 switches for phototransistors activated by infrared leds :D please, i hope you answer soon. Thnx

    ReplyDelete
  4. Elektro Mantap Jiwa24 June 2017 at 19:23

    Please re-upload your link prend. I can't get your layout.

    ReplyDelete
  5. User15 November 2018 at 14:45

    Hi , appreciate your work, but I wonder can I use a manual pulse using push button, does breadboard be a bad choice for manual pulse, Would a pcb be better for manual pulse? Thanks

    ReplyDelete

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