>>   It is pic16f84 and computer has parallel&  serial port.

> As for a programmer since you have a parallel port, my Trivial LVP
> programmer can still do the job. You can find a link on the page above.

Yes for the chip(s) you recommend, but not for a 16f84, which does not=20
have LVP capability.

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Wouter van Ooijen

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