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What are the precautions for making AT89S52 programmer?

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tantoun2004

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AT89S52 Programmer

Hi all,
when I intended to make The At89S52 programmer I heard that it might damage the parallel port . Is this right? If so is there any precautions that must be taken ?
Thanks,
 

AT89S52 Programmer

Read the whole thing again! Its all crap, if you are afraid then use a buffer in between.
 

Re: AT89S52 Programmer

Try with programmer on this url:
www.aec-electronics.co.nz

It's free, it's simple and it's working for over 1.5 year for me witout problems.


Mr.Cube
 

Re: AT89S52 Programmer

hi,
u can get very good data support at
**broken link removed**
 

Re: AT89S52 Programmer

Salam,

Nothing could happen just for that all motherboards now contains a protection for all ports.
 

Re: AT89S52 Programmer

you may use buffer 74244
or latch 74573
between your programmer and parallel port

[/img]
 

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