pic - Led Blinking with PIC16F877A -


i'm trying make 7 segment using pic16f877a. i'm programming pic replica pickit 3.

i'm uploading hex code using pickit 3 software , mplabx ide. have no problem while i'm uploading code when set circuit.

i noticed b1 pin working. did blink led circuit , still b1 pin high when set d0 pin high. i'm using 4 mhz crystal , 0.1 uf capacitors. uploaded hex files internet getting high b1. ­


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