#garfield Logs

Aug 21 2022

#garfield Calendar

01:37 AM polprog: til that a fire extinguisher hose unscrews
01:46 AM polprog: hmmm
01:46 AM polprog: fire distinguisher
01:46 AM rue_mohr: !
01:46 AM polprog: im going to the market
01:46 AM polprog: gonna buy a game biy advance game and then go around scan for unusual items
01:46 AM polprog: what will polprog bring today
01:46 AM * polprog fills a fire extinguisher with gasoline
02:10 AM rue_mohr: heh sawdust
02:10 AM rue_mohr: did you hear ted yapos house caught fire?
04:56 AM polprog: rue_mohr: no, thats terrible, how?
07:56 AM polprog: yay
07:56 AM polprog: installed the test card in the little subrack
07:56 AM polprog: learning so much about machining and metalworking here
07:57 AM polprog: look how cute and rackety it is
07:57 AM polprog: https://twitter.com/polprogpl/status/1561320656968597511
11:14 AM rue_mohr: hmm?
11:14 AM rue_mohr: morning
11:24 AM polprog: morning
11:24 AM polprog: im designing a raspi carrier board for the rack
11:24 AM polprog: its gonna run from 12V, basically there will be a buck converter on it, and a raspberry pi
11:24 AM polprog: all she wrote
11:24 AM polprog: it will also give 5V power to the rest of the system
11:26 AM rue_mohr: k
12:05 PM polprog: ends like what?
12:05 PM rue_mohr: like that case
12:05 PM polprog: ah
12:06 PM polprog: yeah, they are alu too
12:06 PM rue_mohr: I messed up my dimensions
12:18 PM polprog: hm
12:18 PM polprog: i have to break the bracket into two separate parts
12:18 PM polprog: the USBs are too tall, i cant have 2mm struts on a PCB
12:19 PM polprog: no board house will make it
12:20 PM polprog: what is the best way to make the part that will connect these boards at a right angle?
12:20 PM polprog: https://cdn.discordapp.com/attachments/938062770329501738/1010957486028759200/IMG_20220821_190354.jpg
12:20 PM polprog: https://cdn.discordapp.com/attachments/938062770329501738/1010956880534851626/unknown.png
12:21 PM polprog: i have holes on both the card and the front panel parts and they need to match height to the yellow line that goes through the front panel parts
12:21 PM polprog: the inverted C-shaped one
12:21 PM rue_mohr: suspend them in mid air and just fill in the gaps :)
12:21 PM polprog: that marks the card PCB top
12:21 PM polprog: lol
12:21 PM rue_mohr: suspend them in mid air (where you want them to be) and just fill in the gaps :)
12:21 PM rue_mohr: :)
12:22 PM rue_mohr: in the 3d printing world, it works nicely to have a model of each
12:22 PM polprog: i have an alu L-beam i could drill
12:22 PM polprog: or yeah i could 3d print something
12:22 PM rue_mohr: and subtract them from a block filling in the middle
12:22 PM rue_mohr: the remaining block is what you need
12:22 PM polprog: prooobably easier to model in scad and have my friend print a sufficient amount
12:41 PM rue_mohr: hahah that table tweet has 172 likes
12:41 PM polprog: that what?
12:41 PM rue_mohr: my good tweets get 10
12:41 PM rue_mohr: the tweet about the moving table surface
12:42 PM polprog: hmm???
12:42 PM polprog: link?
12:42 PM rue_mohr: https://twitter.com/RueNahcMohr/status/1560801101082935296
12:42 PM rue_mohr: its got a really high level of itneraction, lots of comments and things
12:42 PM polprog: hahahaha
12:43 PM rue_mohr: and its a steady boil
12:43 PM rue_mohr: usually tweets are just poof and over
12:43 PM WormFeud is now known as WormFood
12:46 PM Tom_L: tells alot about the audience
12:46 PM rue_mohr: http://ruemohr.org/~ircjunk/tempimage/p1250264.jpg
12:46 PM rue_mohr: http://ruemohr.org/~ircjunk/tempimage/p1250265.jpg
12:46 PM rue_mohr: http://ruemohr.org/~ircjunk/tempimage/p1250284.jpg
12:46 PM rue_mohr: http://ruemohr.org/~ircjunk/tempimage/p1250285.jpg
12:46 PM rue_mohr: http://ruemohr.org/~ircjunk/tempimage/p1250286.jpg
12:47 PM rue_mohr: its seems to have a lot of makers
12:47 PM rue_mohr: I went thru it once, lots of interesting people
12:47 PM rue_mohr: I follow the ones that don't have a lot of static in their feeds
12:47 PM rue_mohr: I wasn't able to keep it down to 128 people
12:48 PM rue_mohr: following 133 myself now
12:48 PM Tom_L: then the goal is 256
12:48 PM rue_mohr: I suppose
12:48 PM rue_mohr: some days its work to keep up with 133
12:49 PM rue_mohr: that project ^^ is a pwm driver for a big motor on the lawn tractor
12:50 PM Tom_L: i recall that
12:50 PM rue_mohr: I got totally sidetracked last night hearing about the fellows house burning down
12:50 PM Tom_L: who?
12:50 PM rue_mohr: he just got an awesome lot of 1000 tubes of 7400 chips too
12:50 PM rue_mohr: ted yapo
12:51 PM rue_mohr: he was an editor for hackaday
12:52 PM rue_mohr: 11am, I need shower and breakfast
12:52 PM Tom_L: https://www.amazon.com/dp/B07HFQQ71F?psc=1&ref=ppx_yo2ov_dt_b_product_details
12:52 PM Tom_L: picked up some of those recently
12:53 PM rue_mohr: k
12:53 PM rue_mohr: *some*?
12:53 PM rue_mohr: how many...
12:53 PM rue_mohr: does ... one need?
12:53 PM Tom_L: one more than enough
12:53 PM rue_mohr: hmm
12:54 PM Tom_L: i keep one on the rpi
12:54 PM Tom_L: i keep 2 in the drawer with sd in them mostly so i don't lose the micro sd
12:55 PM rue_mohr: oops, I forgot to leave myself holes to attach the cover...
12:55 PM rue_mohr: ok, idea....
12:56 PM rue_mohr: I have to use allthread to get to the back anyhow, I'll just make it longer than I thought
03:28 PM rue_mohr: its great how when I built the shop, I aligned it with the existing house, assuming it was straight on the lot
03:28 PM rue_mohr: and it wasn't
03:28 PM rue_mohr: and now I'm going to tear down the house and the otherbuildings will just look awkwardly crookid
03:37 PM Tom_L: hah
03:37 PM rue_mohr: yea
04:22 PM rue_shop3: must have been another power blink
05:59 PM polprog: no UPS?
06:12 PM rue_shop3: lots of them :/
06:24 PM Tom_L: working on a debian 12 iso for rpi4
06:56 PM rue_mohr: good show, I took the electric tractor for a test drive!
06:56 PM rue_mohr: it worked ok even tho I limited it to 15A
06:56 PM rue_mohr: I have a good picture of how it'll perform
06:56 PM rue_mohr: the fets drop more heat than would be nice