7 segment problem
Help me....
Hai friends...I have a problem in this project. the project use the 7 segment with common cathoda.
My question : how to convert this circuit with 7 segment common anoda??? because I was having trouble finding 7 segment in my place.
Help me please...thanks before for all..
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Re: 7 segment problem
Switch the npn transistors to pnp hooked to vcc instead of ground (the emitters to the led) then invert the logic states in your program.
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