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PICkit unreliable

:: EPE Chat Zone ≠:: ≠Radio Bygones Message Board :: » EPE Forum Archives 2010 - » Archive through 04 September, 2011 » PICkit unreliable « Previous Next »

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echase
Frequent Contributor
Username: echase

Post Number: 515
Registered: 07-2007

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Posted on Saturday, 06 August, 2011 - 10:29 am:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

I am finding that my PICkit connector is getting unreliable so does not always connect to the programming header. Anyone had this problem? I suspect itís a worn spring terminal inside the connector as there is no sign of a bad solder joint on PCB inside the PICkit case. Have used it quite a lot.

Not sure if I can pull the plastic shell off the contacts and then bend the contacts to tighten them. I don't have the right sort of connector in stock to replace it.
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joe
:::: Super User ::::
Username: joe

Post Number: 1132
Registered: 05-2005

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Posted on Saturday, 06 August, 2011 - 11:00 am:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

I made a little extender cable for mine (male and female with 6" of ribbon cable in between as I didn't like the "feel" of the PICKit3 connector; it didn't seem to have the same grab as the PICKIT2 one; perhaps cheaper quality.

I tinned the male end to make the pins slightly fatter and then used a drop of hot-melt glue to make sure it stayed in place. Had no problems since.

Regards,
Joe
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echase
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Username: echase

Post Number: 524
Registered: 07-2007

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Posted on Thursday, 11 August, 2011 - 06:27 pm:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

Think I may have been maligning it. If misaligned a little it is possible to push the header pins in-between the connector and the case, if the case is a little loose. The pins are sufficiently gripped that the unit holds in place on the header, so it appears to be connected but isnít.

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