<div dir="ltr">You didn't include any photos, but I think this is what you're talking about: <a href="https://www.amazon.com/CablesOnline-10-Pack-40-Pin-Connectors-FC-040-10/dp/B07W4F9529?tag=ustxtaddt-20">https://www.amazon.com/CablesOnline-10-Pack-40-Pin-Connectors-FC-040-10/dp/B07W4F9529?tag=ustxtaddt-20</a><br>You'll also need to get a ribbon cable of the length you want. BTW--this is the same cable and connectors used in older computers to attach to hard drives.<div><br></div><div>~Carl</div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Fri, Jan 30, 2026 at 12:59\u202fPM Charles J. Lord, PE via TriEmbed <<a href="mailto:triembed@triembed.org">triembed@triembed.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto"><div>Hi all-</div><div dir="auto"><br></div><div dir="auto">I'm stuck trying to find what should be a simple cable or connection. I'm working with a development board that brings all of its I/O through a female 40 pin IDC connector with 0.5mm pitch (see pic 1) and i need to bring it out, preferably to a 0.1" pitch that i can work with. All im finding are cables designed for FFC /FPC zif connectors like the example breakout board in the second pic (even Amazon stocks that kind of board). Any pointers to that cable? Thanks in advance!</div><div dir="auto"><br></div><div dir="auto">Charles</div><div><br></div><div>Charles J. Lord, PE<br>President, Blue Ridge Advanced Design and Automation<br>Past Chair, IEEE-USA Consultants Committee<br>Life Member Chair, IEEE Western NC Section<br>Chair, IEEE NC Council<br>Co-Chair, IEEE SoutheastCon 2025<br><a href="mailto:c.j.lord@ieee.org" target="_blank">c.j.lord@ieee.org</a></div></div>
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</blockquote></div><div><br clear="all"></div><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr">--------------------------------------------------------------<br>Carl J. Nobile (Software Engineer/API Design)<br><a href="mailto:carl.nobile@gmail.com" target="_blank">carl.nobile@gmail.com</a><br>--------------------------------------------------------------</div></div>