Electronics Projects, PIC16F84A 0-9999 counter circuit article
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This makes the task of counter circuit. Pressing the buttons is the number of four-digit number between 0 … 9999. Press the + button on each number increases by 1. – Press button on each count is decreased by 1. The number is reset with the reset button. Do not forget to connect the PIC supply pins (of 5.p -, 14.p’s +) and common cathode 7-segment display and matrix dependent. I.e. A, B, C, D, E, F, G depends cathode pins are common as are separate 1,2,3,4.
0 9999 counter circuit diagram;
PIC16F84A 0-9999 counter circuit proteus isis simulaiton schematic pic assembly source code : pic16f84a-0-9999-counter-circuit.zip