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@penguin42@mastodon.org.uk
2026-06-21 14:20:26

Pleasantly surprised I can measure this timing difference on my cheap scope; In both cases this is a chain of a pair of inverters in a 74LS04 package; the difference between the two captures is just the length of breadboard wire between the 1st and 2nd inverter; the first is about 1cm and the 2nd is about 20cm; so that's about 0.5ns difference measured which is reasonable - and surprisingly good for a 500MS/s scope.
(The yellow is input from a sig gen, blue is op of 2nd inverter).

An oscilloscope showing two falling edge waveforms.  The blue one is delayed by a few ns relative to the yellow.  There's some nasty ringing.
Like the other one with some different timings
@markhburton@mstdn.social
2026-07-21 12:12:27

Mr Falange calls for a General Election (probably to save his Clacton face) & says, "You cannot make the ‘biggest changes’ in British politics in 40 years without a mandate from the British people."
Funny, I seem to remember them voting in a majority of Westminster reps under the vacuous slogan 'Change'
Now they'll get a bit of that, but only a bit.

@fanf@mendeddrum.org
2026-05-20 08:42:02

from my link log —
No-one knows the type of char char.
blog.knatten.org/2019/05/24/no
saved 2019-10-17

@grahamperrin@bsd.cafe
2026-06-22 08:40:13

@… I enjoyed a killing on Kubuntu 26.04 a day or so ago.
IIRC free memory and swap were nearly exhausted (unrelated to ARC) due to VirtualBox throwing a wobbly with a FreeBSD guest, following a disrupted connection to an old mobile hard disk drive on USB, which I use (with OpenZFS) to store the virtual hard disks for many of my test machines.
I feared…

@davidaugust@mastodon.online
2026-05-18 16:16:13

"Ideally, that's what you've got in an acting career is an equal number of dramas and comedies and an equal number of small films and big films."
—Jason Bateman
#acting #coaching #inspiration

@EarthOrgUK@mastodon.energy
2026-05-19 03:23:04

On Website Technicals (2022-08) - Tech updates: FUELINST glitch, review pros and cons, a11y, fanlife, Save-Data, traffic nadir, JXL. - earth.org.uk/note-on-site-tech

@theodric@social.linux.pizza
2026-06-21 11:33:50

Finally got off my ass and listed my ThinkPad P14s and RAM for sale. Following neighbor's advice, listed for more money than I actually want for it. ("This isn't England or America!", he said.) Apparently in Ireland you're expected to do a little dance where you ask an absurd price and then the prospect offers you a sub-reasonable price and then you both settle on market price; and if you do indeed list for market price, you'll still be expected to give a 15% discou…

@floheinstein@chaos.social
2026-07-20 04:10:26

"Durchsage ihres Lokomotivführers: Wegen einer Stellwerkstörung kann diese S11 ab Winterthur nicht weiterfahren. Sie müssen mit einem anderen Zug nach Zürich weiterfahren."
Montag.
#SBB #övlife #Winterthur

Foto von Anzeige Technische Störung an der Bahnanlage, Bahnverkehr zwischen Kempthal und Winterthur ist eingeschränkt