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7segment

 
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aparat
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PostPosted: Thu Jul 20, 2017 1:48 am    Post subject: 7segment Reply with quote

hi
can i add 7segment to 3k-program with micro?
thanks
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frank



Joined: 19 Oct 2005
Posts: 972

PostPosted: Thu Jul 20, 2017 7:33 am    Post subject: Reply with quote

You will have to write the code to support the display.
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Frank Thomson
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slacker



Joined: 01 Feb 2011
Posts: 115

PostPosted: Thu Jul 20, 2017 10:01 am    Post subject: Reply with quote

If you just want to display the program number you don't need a micro controller. There are 7 segment display controller chips you could use. Have a look at this for some examples. http://www.electronics-tutorials.ws/combination/comb_6.html

You would just connect the inputs of the chip to the S0, S1 and S2 pins on the FV-1 and the display would show which ever program number was selected.
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aparat
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PostPosted: Fri Jul 21, 2017 2:45 am    Post subject: Reply with quote

Does bcd to 7segment show 16 programs?
i think just 8 programs shown.
i want show 16 program.
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slacker



Joined: 01 Feb 2011
Posts: 115

PostPosted: Fri Jul 21, 2017 8:34 am    Post subject: Reply with quote

MC14495 or DM9368 chips can display 0 - 9 and A - F which gives 16 values in hex. The chips are obsolete but you can still buy them on ebay and other places.
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