i need a 7 segment display up down counter

hernandez
hernandez
@hernandez-jSXWzO • Oct 21, 2024

hello,, i need a 7 segment display that can be triggered by a 556 timer
timer A - UP COUNT
timer b - down count

i have surveyed the the circuit using CD40110BE but the IC is not available in
our vicinity,, please give me an alternative circuit with part list that can be aquired easily thank you!

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  • shahrul
    shahrul

    @shahrul-Ex12xz • Feb 21, 2010

    Maybe someone else can help, but for me better use microcontroller.

    0
  • reachrkata
    reachrkata

    @reachrkata-FOcqhH • Feb 23, 2010

    My 2 paise -

    Take the standard available up/down converter ICs. Then use a binary to 7 seg decoder for interfacing with the segment LED.

    -Karthik
    😁

    0