Author Topic: Single-row 6-pin DuPont 1.27mm female into 2.54mm male ribbon cable  (Read 614 times)

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Offline jj5Topic starter

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Hi there. Me and a mate of mine are looking for a cable to do a job. We have a board with single-row 6-pin 1.27mm pin header and we want to change that into 2.54mm pin header so we can attach our stuff, but it's really hard to find a cable that meets those specifications. If we could get a single cable that would be best, but if we need a cable and a separate adapter that would be okay too. Can anyone suggest where we could find such a thing, or what we should search for and where?

The 1.27mm headers we want to attach to look like this:

« Last Edit: November 01, 2023, 07:02:55 am by jj5 »
 

Offline Dan123456

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Re: Single-row 6-pin DuPont 1.27mm female into 2.54mm male ribbon cable
« Reply #1 on: November 01, 2023, 09:23:50 am »
If you only need the one, I would probably just make a custom cable if I were you  :)

Grab some hook up wires that have the 2.54mm connectors already attached (you can get a pack of 100 or something from Jaycar for like $10), then snip the other end off and attach the 1.27mm connector you need  :)

I’m sure you probably can find something ready made if you really search but imagine they will probably want an arm and a leg for it due to it being special  :-DD

Edit: they are called jumper leads, not hook up wires. My bad!

These are the ones I was thinking of and they come as a ribbon so would still look fairly professional too  :)

https://www.jaycar.com.au/150mm-plug-to-socket-jumper-leads-40-pieces/p/WC6028?pos=3&queryId=388d8103fbf956ae5a4f9ef282c8f09e
« Last Edit: November 01, 2023, 09:32:22 am by Dan123456 »
 
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Online Ian.M

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Re: Single-row 6-pin DuPont 1.27mm female into 2.54mm male ribbon cable
« Reply #2 on: November 01, 2023, 09:34:27 am »
1.27mm pitch connectors are a **** to assemble without the correct crimp tooling, clone crimpers are mostly a pile of cr@p, and the official crimpers will cost you an arm and a leg, so follow Dan's advice but the other way round.  Buy a six way cable with 1.27 mm pitch connectors, cut off one end and either solder it to a 2.54 mm pitch header, and reinforce and strain relieve with a bead of epoxy over the joints, or crimp on 'duPont' pins and fit to a six way shell (clone crimper kits to do 2.54 mm pitch 'duPont' style connectors are affordable and if used with care give reasonable results).

Another option would be to make an adapter using this pitch adapter PCB:
http://www.proto-advantage.com/store/product_info.php?products_id=3800052
You don't appear to have clearance round the 1.27 mm pitch header so cant simply fit a female 1.27mm pitch header socket to go straight onto your board's header.  You probably need to get a 1.27 mm pitch cable as above, but instead of cutting the end, simply put the mating header on the pitch adapter PCB.
« Last Edit: November 01, 2023, 09:39:48 am by Ian.M »
 
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