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Author Topic: Diy Gang Pic programmer  (Read 2700 times)
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zab
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« on: May 25, 2012, 11:25:10 11:25 »

Hi,
  Is there any Diy gang programmer capable of programming  Pic dspic and others micro-controllers.
I have seen many clones for pickit2 and pickit3 but you can program single IC at a time.
pickit2 with multiple instance is good option.But It does not have stand alone software having access to more than one pickit2. Please correct me if I am wrong.

 Secondly these stop working {not responding right in the middle. You have restart the software as well as pulling USB Cable and reconnect it}.
 Have some ever tried to make it?
 Every practical suggestion will be appreciated.
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pickit2
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« Reply #1 on: May 25, 2012, 10:09:29 22:09 »

The main problem would be  verifying the chips, see 4th post
http://www.microchip.com/forums/m517025.aspx
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Ichan
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« Reply #2 on: May 26, 2012, 09:16:27 09:16 »

Not about gang programmer, but if the problem is programming many chips then here is my cheap "Production Programmer". It use Pickit3 "programmer to-go" feature, no pc needed - I still use usb cable for the the power.

A slick operator can easily do 1000 chips / day - proven.

Atached the Altium files, feel free to use and modify it as required.

-ichan
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gan_canny
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« Reply #3 on: May 26, 2012, 02:27:32 14:27 »

It would be hard to beat Ichan's method. Either the chips are programmed after soldering to the target board ( there is often a need to dedicate PIC pins to do this or at least jumpers to isolate the pins while programming) or program them prior to installation on the target. For small devices pins are a precious resource so Ichan's process (off target board) is probably as good as it gets. Ichan leverages the ability of the PIC Kit 3 tool to retain the hex file ( between programming chips) and program it into the target chip with a single button press. Even with chips that have a JTAG tool chain there still is the need to plug the jtag into each board. It seems that either way the chips have to be picked up orientated, placed and programmed.
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zab
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« Reply #4 on: May 26, 2012, 05:47:44 17:47 »

 
Thank very much all of you for your valuable suggestions.

Today I attached 2 pickit2 simultaneously with computer. Pickit2 GUI ask you to select one of them at a time.
With PK2CMD you can access both one by one. As pickit2 source code are available, I think best option is to change GUI software to access all attached pickit2  simultaneously.
These source code can be recompiled with Microsoft Visual C++ 2005 Express as indicated by microchip.

All suggestions will be welcomed and appreciated.
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