<div dir="auto"><div>Trampas is right and i misread the data sheet (im getting senile i guess). It was .127mm and I found an adapter board at DigiKey. Thanks all.</div><div dir="auto"><br></div><div dir="auto">Mea culpa</div><div><br></div><div data-smartmail="gmail_signature">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">c.j.lord@ieee.org</a></div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Fri, Jan 30, 2026, 4:40 PM Trampas Stern <<a href="mailto:trampas@gmail.com">trampas@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">I assume you meant 50mils (1.27mm), not 100mils (2.54mm) pitch connector not really the 0.5mm for the IDC connector? <div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Jan 30, 2026 at 4:39\u202fPM Trampas Stern <<a href="mailto:trampas@gmail.com" target="_blank" rel="noreferrer">trampas@gmail.com</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="ltr"><a href="https://www.aliexpress.us/item/3256810387685808.html?spm=a2g0o.productlist.main.4.4404l3yRl3yRjp&aem_p4p_detail=202601301338153740085786613140001107788&algo_pvid=76b3a8ea-77ec-43fa-bd69-16e80f08c971&algo_exp_id=76b3a8ea-77ec-43fa-bd69-16e80f08c971-3&pdp_ext_f=%7B%22order%22%3A%224%22%2C%22eval%22%3A%221%22%2C%22fromPage%22%3A%22search%22%7D&pdp_npi=6%40dis%21USD%213.78%213.78%21%21%2126.09%2126.09%21%402103122117698090951294390eca99%2112000052863803206%21sea%21US%210%21ABX%211%210%21n_tag%3A-29910%3Bd%3A88d5e72d%3Bm03_new_user%3A-29895&curPageLogUid=HTyOTN1YWByv&utparam-url=scene%3Asearch%7Cquery_from%3A%7Cx_object_id%3A1005010574000560%7C_p_origin_prod%3A&search_p4p_id=202601301338153740085786613140001107788_1" target="_blank" rel="noreferrer">https://www.aliexpress.us/item/3256810387685808.html?spm=a2g0o.productlist.main.4.4404l3yRl3yRjp&aem_p4p_detail=202601301338153740085786613140001107788&algo_pvid=76b3a8ea-77ec-43fa-bd69-16e80f08c971&algo_exp_id=76b3a8ea-77ec-43fa-bd69-16e80f08c971-3&pdp_ext_f=%7B%22order%22%3A%224%22%2C%22eval%22%3A%221%22%2C%22fromPage%22%3A%22search%22%7D&pdp_npi=6%40dis%21USD%213.78%213.78%21%21%2126.09%2126.09%21%402103122117698090951294390eca99%2112000052863803206%21sea%21US%210%21ABX%211%210%21n_tag%3A-29910%3Bd%3A88d5e72d%3Bm03_new_user%3A-29895&curPageLogUid=HTyOTN1YWByv&utparam-url=scene%3Asearch%7Cquery_from%3A%7Cx_object_id%3A1005010574000560%7C_p_origin_prod%3A&search_p4p_id=202601301338153740085786613140001107788_1</a><div><br></div><div><a href="https://www.aliexpress.us/item/2251832486681011.html?spm=a2g0o.productlist.main.1.4404l3yRl3yRjp&algo_pvid=76b3a8ea-77ec-43fa-bd69-16e80f08c971&algo_exp_id=76b3a8ea-77ec-43fa-bd69-16e80f08c971-0&pdp_ext_f=%7B%22order%22%3A%221%22%2C%22eval%22%3A%221%22%2C%22fromPage%22%3A%22search%22%7D&pdp_npi=6%40dis%21USD%213.05%213.05%21%21%2121.09%2121.09%21%402103122117698090951294390eca99%2160103193656%21sea%21US%210%21ABX%211%210%21n_tag%3A-29910%3Bd%3A88d5e72d%3Bm03_new_user%3A-29895&curPageLogUid=the7TsYHRlHl&utparam-url=scene%3Asearch%7Cquery_from%3A%7Cx_object_id%3A32672995763%7C_p_origin_prod%3A" target="_blank" rel="noreferrer">https://www.aliexpress.us/item/2251832486681011.html?spm=a2g0o.productlist.main.1.4404l3yRl3yRjp&algo_pvid=76b3a8ea-77ec-43fa-bd69-16e80f08c971&algo_exp_id=76b3a8ea-77ec-43fa-bd69-16e80f08c971-0&pdp_ext_f=%7B%22order%22%3A%221%22%2C%22eval%22%3A%221%22%2C%22fromPage%22%3A%22search%22%7D&pdp_npi=6%40dis%21USD%213.05%213.05%21%21%2121.09%2121.09%21%402103122117698090951294390eca99%2160103193656%21sea%21US%210%21ABX%211%210%21n_tag%3A-29910%3Bd%3A88d5e72d%3Bm03_new_user%3A-29895&curPageLogUid=the7TsYHRlHl&utparam-url=scene%3Asearch%7Cquery_from%3A%7Cx_object_id%3A32672995763%7C_p_origin_prod%3A</a></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Jan 30, 2026 at 4:29\u202fPM Charles J. Lord, PE via TriEmbed <<a href="mailto:triembed@triembed.org" target="_blank" rel="noreferrer">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><div>No - the one on the White board is not the standard 0.1 in connector. It is 0.5 mm. That is the problem. And it is the same ribbon as the blue board. </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" rel="noreferrer">c.j.lord@ieee.org</a></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Jan 30, 2026, 4:22 PM Carl Nobile <<a href="mailto:carl.nobile@gmail.com" target="_blank" rel="noreferrer">carl.nobile@gmail.com</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="ltr">The 1st one on the blue board is a flat cable connector that is often used to connect a keyboard to a computer, and is not easy to work with. The one on the white board is a more standard 40-pin connector, probably compatible with the one I was talking about before; however, there's no locking mechanism, as the one from Amazon has. I see no easy way to mate the two since they would use different types of cables without an intermediate board that has two connectors on it.<br>Someone else may have more experience with this than I do, however.<div><br></div><div>~Carl<br><div><br></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Jan 30, 2026 at 4:10\u202fPM Charles J. Lord, PE via TriEmbed <<a href="mailto:triembed@triembed.org" rel="noreferrer noreferrer" target="_blank">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><span style="font-size:12px">Hi all-</span>
<br><br><span style="font-size:12px">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!</span>
<br><br>NOTE - THIS IS NOT A 0.1" SPACING CONNECTOR <br><br><span style="font-size:12px">Charles</span><br></div><div dir="auto"><span style="font-size:12px"><br></span></div><div dir="auto"><span style="font-size:12px"><br></span></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" rel="noreferrer noreferrer" target="_blank">c.j.lord@ieee.org</a></div></div>
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