https://www.raspberrypi.org/forums/viewtopic.php?f=3D28&t=3D140658 Raspberry Pi 3 microSD card slot - spring ejection? Raspberry Pi 3 changed from spring latch to friction. Not made for rugged use but change done to eliminate "oops factor" of bumpi= ng spring loaded card. -----Original Message----- >From: James Cameron >Sent: Jun 17, 2016 7:11 PM >To: "Microcontroller discussion list - Public." >Subject: Re: [EE] Memory options? > >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 --=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 .