On Fri, Jun 17, 2016 at 03:41:20PM -0700, Denny Esterline wrote: > There's also micro SD card sockets that are fully captive - a cage folds > down and latches over the card. Should be much more vibration resistant > than anything that relies on friction. Indeed, we used that at OLPC at one stage. Reduces the vibration problems, but wasn't immune to foreign substances, and has limited (but defined) contact make break cycles. --=20 James Cameron http://quozl.netrek.org/ --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .