Den Thu, 21 Dec 2017 12:19:30 -0500 skrev "Mike Stein" <mhs.stein@gmail.com>: > I glued a strobe disk to a refrigerator magnet and stick that on the > flywheel of drives under test. Magnets seems like a bad idea in a disk drive, unless you have a biiig degausser which you can use to degauss almost everything of the drive afterwards :) But you have the index hole, just wire up a photo sensor (cut the top of an old metal case transistor if you don't have anything else at hand) and count the number of pulses per time unit. -- (\_/) Copy the bunny to your mails to help (O.o) him achieve world domination. (> <) Come join the dark side. /_|_\ We have cookies. Message was sent through the cbm-hackers mailing listReceived on 2017-12-21 23:00:02
Archive generated by hypermail 2.2.0.