mattofak

7 ms·

1.
by mattofak 11mo ago
The uAvionix EchoESX [1] claims 4W continuous and with antenna probably adds 400g (0.8lb.) WindBorne claims "12+ days typical flight, with demonstrated capability for 75+ day missions." So 1150Wh minimum (80Ah at 4S, which is prob
2.
by mattofak 1y ago
It's possible it never made it into production; but when I was helping to commission a 4 rack "supercomputer" circa 2010 we used APC's in-row cooling (which did glycol exchange to the outside but still maintains the hot&
3.
by mattofak 2y ago
For it's 30th anniversary, the BBC released a free to play version: https://www.bbc.co.uk/h2g2game It is not easy; but there are hints! https://www.bbc.co.uk/programmes/articles/3tmVKGc4dR463k
4.
by mattofak 2y ago
In the same category of command line program guidelines: https://clig.dev/
5.
by mattofak 2y ago
This sounds fun to play with and get feet wet in HDL, but it's only a lattice ice40, I have no idea what you'd seriously do with this. Usually ice40 are used as glue logic, or multiplexing/buffering a bunch of ADC/DAC ch
6.
by mattofak 2y ago
Could be struck by a micrometeorite, or if they were doing a station keeping maneuver something could have gone wrong with a thruster. (Apparently the first in it's class Intelsat-29e was lost due to a fuel leak, so maybe there is some
7.
by mattofak 2y ago
I've had to get a medallion before to move a small retirement account and there were two things I very much did not like about the process: (1) Most institutions require you to have been a member for 6 months before they will grant a m
8.
by mattofak 2y ago
Altium is about $10k to start and then $2.5k ~ 3.5k per year depending on plan.
9.
by mattofak 3y ago
This style of capitalisation is called Title Case [1] and is quite common in English print media. There are quite a few automated tools to convert back and forth, maybe a future site improvement for Dang in the user preferences. [1] https:
10.
by mattofak 4y ago
allocortech | Software or Electrical Engineer | Waynesboro, VA | Prefer Local | https://www.allocor.tech/about/work-with-us/ allocortech is a small company (14 people) building control electronics for, typically,
11.
by mattofak 4y ago
A small counterpoint; structures made of a weathering steel, like COR-TEN, don't need to be painted. The trade offs include ensuring the welds weather at the same rate as the structure and needing a salt alternative for de-icing in the
12.
by mattofak 4y ago
While the work itself is interesting, I'm also super curious to know how this was typeset. Did NASA have special typewriters with common math symbols, or go through some office with a Linotype or early digital typesetter, or something