> On 2019-08-06, at 16:49, Jeffrey Birt <birt_j_at_soigeneris.com> wrote: > > I have noticed over the years that some types of pins work much better than others. What I have on hand is the standard square cut pin which is not suitable. The "standard square cut pin" aka "goldpin" type of headers are not suitable indeed. They will work to a degree in some sockets but the socket will degrade. And they don't fit at all into "precision" sockets. > A lot of folks will use machine pins which seem to work though I’ve had some that really don’t fit snugly in IC sockets. The round, machined pins are OK. They work best with appropriate mating sockets ("precision" ones) but are also suitable for "regular sockets. > With the project description out of the way the question is do you all have a favorite type of header for this purpose? It depends on the application. If I want a riser (DolphinDOS 2, VASYL) I use "goldpin" square ones into appropriate mating female headers https://www.dropbox.com/sh/n04jphvq2hwvyjk/AAD98xXzlzsrmrW_a0pUtDj6a They have flat pins on the bottom and sit perfectly in IC sockets. If want connection as low as possible I use round pins. Preferably fitting into "precision" sockets but also for "regular" (use in my ROM replacements and DolphinDOS 1541-II for example). > If so would you mind sharing a part number? I don't know the numbers but those are common stuff: https://e4aws.silverdr.com/resources/dolphindos2/socket_construction.jpg -- SD!Received on 2020-05-29 22:11:11
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