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So, finally I was able to use a programmer and a chip (16F628a to be
exact). Feeling the rush of excite, I immediately hacked together a
"running light"-test in MPLAB, just for the sake of trying the
microcontroller out. It worked the first time, I was amazed!

But, since this opposed to using MPLAB is reality, the happiness was
not for long; because there were some errors. The lights (LEDs) were
running, sure, but the supposed delay of 5 seconds between each light
is wrong; the lights are in a sort of rush hour and then stops. I
don't know if this occurs codewise or breadboard-wise, but probably
the latter, because if i touch the board or some pins, the lights
start again. Sometimes they run, sometimes only one is lit, etc. Some
oscillation perhaps? Nothing except the PIC and 4 LEDs are connected
on the board.

I also thought it might had to do with the lack of crystal (I used the
internal oscillator), but alas; adding a 14MHz-crystal and proper caps
did not solve the problem. The lights surely runs even faster, but the
problem still occurs.

I'm attaching my code that I used for testing, feel free to take a
peek and berate me to better knowledge.


-- 
- Rikard.

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