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JDM PIC programmer problem

 
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handsprince



Joined: 12 Mar 2006
Posts: 20

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JDM PIC programmer problem
PostPosted: Sat Nov 25, 2006 8:38 pm     Reply with quote
i have a JDM PIC programmer, it can works well with PC but cannot work with my laptop....anyone can suggest me how to solve this problem....thanks Smile
dyeatman



Joined: 06 Sep 2003
Posts: 1934
Location: Norman, OK

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PostPosted: Sat Nov 25, 2006 10:37 pm     Reply with quote
Are you by chance using a USB to serial converter? If so there have numerous comments here and other places about incompatibilities. I use the Belkin that works pretty well.

Even if you don't use a converter, one major issue may be the fact that the JDM programmer is powered from the serial port and laptops many times don't have as high a voltage for the serial port as a PC.

See this link for comments about this issue and more info:
http://www.k9spud.com/jdm/

Since there is no provision for an external supply you may be out of luck. If this is the case JDM does offer you your money back..... Sad
tsupuntu



Joined: 05 May 2006
Posts: 9

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PULL UP V+
PostPosted: Mon Nov 27, 2006 11:05 am     Reply with quote
You should pull up V+12volt R 4.7k on MCLR pin then pull up 5 volt R4.7k with clk and data pin
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