#garfield Logs
Apr 16 2022
#garfield Calendar
12:17 AM WormFood: ooohhh....my IC programmer arrives on the morning of the 21st ;)
12:25 AM rue_shop3: did you get the overpriced, incredibly capable chineese one?
12:25 AM WormFood: This particular programmer, I picked up in person, from the company that actually makes it.
12:25 AM WormFood: at least, I think it's the company that makes it.
12:25 AM WormFood: they have (had?) an office in 华强北
12:25 AM WormFood: but I wasn't able to bring it with me, when I came back to usa
12:41 AM rue_shop2: wow, I got nuthin for energy and I'm at the bottom of the bucket
12:43 AM rue_shop3: I'm walking around like a zombie cleaning the shop
12:43 AM rue_shop3: its kinda efficient really
12:44 AM * WormFood imagines rue_shop3 as the monster from Young Frankenstein, cleaning his shop ;)
12:45 AM WormFood: https://www.youtube.com/watch?v=o86bqlnLlhU
12:47 AM WormFood: Do you know what vegetarian zombies say? GGGRRRaaaaiiiinnnnssss
12:51 AM rue_shop3: hahah
12:58 AM rue_shop3: ...and this one is Abby Normal...
12:59 AM rue_shop3: nice little label for you...
01:00 AM rue_shop2: Tom_L, heh, I glimpsed into the box of clad and my first thought was "OOOoo where is that from!"
01:00 AM WormFood: It is a continuation of the original frankenstein movies. They actually were able to get the same props for Young Frankenstein
01:06 AM rue_shop3: huh
01:33 AM WormFood: rue_shop3, I remember you documenting using the pata interface (with a TTL IC) into a parallel port, to program an AVR
01:37 AM rue_shop3: yes...
01:38 AM rue_shop3: the last remnant of the isa bus
01:38 AM WormFood: I have a PATA to CF adapter.
01:38 AM WormFood: and, I have a CF wifi card
01:39 AM WormFood: I'm wondering what it'd take to make that wifi card, work in the adapter, plugged into a PATA interface.
01:39 AM rue_shop3: oh yea, mine has better firmware
01:39 AM WormFood: I don't think it'd be easy to do, because the use different modes of operation. Not all CF cards will work in that adapter.
01:41 AM WormFood: It's not worth the effort to try to really do, to use, but just as a "I can't believe this actually works" kinda thing.
01:45 AM rue_mohr: :)
05:20 AM Tom_L: morning
11:09 AM rue_mohr: heh
11:09 AM rue_mohr: I'm up a bit late
11:48 AM rue_mohr: polprog, the boards were from a digital video camera
11:48 AM polprog: ooh
11:49 AM polprog: yeah, tons of fascinating stuff in them there
11:49 AM rue_mohr: for 1998 that board seems super advanced
11:49 AM polprog: s/there/then
11:49 AM rue_mohr: sony
11:56 AM rue_mohr: I wonder if I should do up that 1 bit on a cpld
12:24 PM polprog: writing a led blink test in vhdl now
12:52 PM polprog: done
12:52 PM polprog: 30 minutes eh?
12:52 PM polprog: i never wrote VHDL before :3
12:55 PM polprog: https://polprog.net/rozne1/ircjunk/fpga/vhdl/blinky/
12:55 PM polprog: https://polprog.net/rozne1/ircjunk/fpga/vhdl/blinky/vhdl_hello.png
01:12 PM rue_mohr: wow
01:12 PM rue_mohr: is that any faster for it to assemble in verilog?
01:12 PM rue_mohr: Tom_L, which one was I using?
01:39 PM Tom_L: i'm not sure
01:41 PM rue_mohr: it didn't look like that, It must have been verilog
01:41 PM rue_mohr: I think the files were .v
01:42 PM Tom_L: shouldn't matter too much they are quite similar
01:42 PM Tom_L: .vhd are vhdl .v are verilog
01:42 PM rue_mohr: what polprog has there looks pretty alien to me
01:43 PM Tom_L: that may be verilog
01:43 PM Tom_L: i get them mixed up
01:44 PM Tom_L: same as what the mesa cards use whatever that is
01:45 PM Tom_L: no, it's vhdl... i just looked
01:45 PM Tom_L: so .v is verilog
01:45 PM Tom_L: std_logic_1164 is vhdl
01:45 PM rue_mohr: ... ok
01:46 PM rue_mohr: its a kinda sunny day
01:46 PM Tom_L: yard work is done
01:46 PM rue_mohr: I need to make that ladel and send a bill (if I didn't already)
01:46 PM Tom_L: he leave ya hangin on the sprayers?
01:47 PM rue_mohr: MAJOR family problems
01:47 PM rue_mohr: his brother has basicalyl become completely disabled in the last two months
01:47 PM Tom_L: The IEEE created the IEEE VHDL library and std_logic type in standard 1164
01:48 PM rue_mohr: his mother is too old to help
01:48 PM Tom_L: sad to hear
01:48 PM rue_mohr: his sister is a leach
01:48 PM Tom_L: i know about those
01:48 PM rue_mohr: ah, IEEE, I know them, their the great pay wall!
01:48 PM rue_mohr: :)
01:49 PM Tom_L: The std_logic_1164 package defines functions for logical operators applied to values of type std_ulogic and std_ulogic_vector.
01:49 PM rue_mohr: ok
01:50 PM Tom_L: The STD_LOGIC_1164 package is most used package in VHDL since it contains definition of data types which are used for modeling wires at the time of synthesis. To use such data types, it is necessary to include STD_LOGIC_1164 in the code. In fact, it is used in almost every single design in VHDL.
01:50 PM rue_mohr: todo: battery charger, aluminum ladle
01:51 PM Tom_L: dead branches out of the trees, flower garden gone, grass planted, yard mowed, sprinklers fixed and running
01:51 PM rue_mohr: good show
01:51 PM rue_mohr: yea, I need to get the lawn mowing bot back on its wheels
01:51 PM Tom_L: finishing lunch then a nice long nap
01:54 PM Tom_L: gettin too old to be climbin trees
01:55 PM polprog: Rue we were using verilog before
01:55 PM polprog: I gotta use vhdl at work
01:55 PM Tom_L: you should know both anyway
01:56 PM rue_mohr: if you multithread, how many computers can you occupy at once with a half hour compile time?
01:56 PM rue_mohr: each working on a different project or module
02:43 PM Tom_L: get 1 pc with 8 cores
02:44 PM Tom_L: or more
02:45 PM Tom_L: dual cpu 4 cores ea
02:45 PM Tom_L: Intel's Core i9 is the first consumer desktop processor to cram 18 cores and 36 threads into a single piece of silicon
02:45 PM Tom_L: there you go
02:45 PM Tom_L: get an i9 board
03:01 PM rue_mohr: I heard someone say that they got a super powerfull machine to do development faster with, and it only shaved 10 seconds off the compile time
03:01 PM rue_mohr: apparently the 2.8Ghz cellery I have is just about as fast as it gets with that software
03:05 PM Tom_L: swarm of rpi4
03:08 PM Tom_L: my i5 is faster than my i7
03:08 PM Tom_L: also i5 is the last one to support win7
03:08 PM Tom_L: so i picked up a spare
03:59 PM rue_mohr: http://ruemohr.org/~ircjunk/tempimage/p1230461.jpg
04:00 PM rue_mohr: so, thats what I rebuilt
04:00 PM rue_mohr: http://ruemohr.org/~ircjunk/tempimage/p1230462.jpg
04:00 PM rue_mohr: http://ruemohr.org/~ircjunk/tempimage/p1230463.jpg
04:00 PM rue_mohr: http://ruemohr.org/~ircjunk/tempimage/p1230465.jpg
04:00 PM rue_mohr: http://ruemohr.org/~ircjunk/tempimage/p1230467.jpg
04:00 PM rue_mohr: http://ruemohr.org/~ircjunk/tempimage/p1230468.jpg
04:00 PM rue_mohr: http://ruemohr.org/~ircjunk/tempimage/p1230469.jpg
04:00 PM rue_mohr: http://ruemohr.org/~ircjunk/tempimage/p1230471.jpg
04:00 PM rue_mohr: http://ruemohr.org/~ircjunk/tempimage/p1230474.jpg
04:14 PM polprog: impressive work on that cpld
04:14 PM polprog: i have a couple cpld boards somewhere...
04:26 PM rue_mohr: ... which cpld?
04:26 PM rue_mohr: do you mean the little carrier baord I did?
04:26 PM polprog: yeah
04:26 PM rue_mohr: heh, I wish I could have done some high speed differential lines
04:27 PM rue_mohr: you know I made it public in osh eh?
04:28 PM rue_mohr: its meant to be hobbyist grade, the pins are labeled, there is onboard user io, and I used that really big, easy-to-get-anywhere crystal module
04:28 PM rue_mohr: sadly, its a bit too fat for a breadboard
04:28 PM rue_mohr: I was looking at it beside a ram module and thinking that I could have probably made the traces a lot smaller
04:29 PM rue_mohr: it would have been nice to have made narrow enough to use on a breadboard
04:29 PM polprog: https://docs.xilinx.com/v/u/en-US/ug479_7Series_DSP48E1
04:30 PM polprog: hmm. gotta learn how to use that monster
04:30 PM rue_mohr: BGA 2million?
04:30 PM rue_mohr: huh, page doesn't load
04:31 PM rue_mohr: I was really happy to pull off a BGA in 2 layers
04:31 PM polprog: stupid xilinx website
04:31 PM rue_mohr: I think the prices on OSH have gone way up tho
04:33 PM polprog: https://polprog.net/rozne1/ircjunk/fpga/vhdl/7series_DSP.pdf
04:33 PM polprog: nighters
04:34 PM rue_mohr: omg they still make this stuff?
04:34 PM polprog: what stuff?
04:35 PM rue_mohr: the stuff all customized to dsp
04:35 PM rue_mohr: is it cheaper or faster or more flexible than an fpga?
04:35 PM polprog: yeah the spartan 7 i have has 20 of these blocks
04:36 PM rue_mohr: ...
04:36 PM polprog: the blocks are inside the fpga
04:36 PM rue_mohr: huh
04:36 PM rue_mohr: maybe its just me, but that seems to kinda deteat the point of an fpga
04:37 PM polprog: it would take a crap ton of LUTs to do that
04:37 PM rue_mohr: ok
04:37 PM polprog: better to put a dedicated DSP block if you need to do an operation
04:37 PM polprog: anyway
04:37 PM polprog: good night rue!
04:37 PM rue_mohr: gngiht
05:40 PM Tom_L: nice soup latel :)
05:45 PM rue_mohr: ... there is no d?
05:46 PM Tom_L: not in my vocabulary :)
05:47 PM Tom_L: ya you're right
05:47 PM Tom_L: covid.....
05:48 PM rue_mohr: awesome, I just need to work out the order of the last two letters now
05:50 PM Tom_L: la·dle a large long-handled spoon with a cup-shaped bowl, used for serving soup, stew, sauce, or aluminum.
06:14 PM Tom_L: so what's on tonight's menu?
06:14 PM Tom_L: pot full of triggers?
06:27 PM rue_shop3: I have a phonecall I have to catch sometime in the next bit
06:27 PM rue_shop3: not sure I'll do casting today
06:27 PM rue_shop3: if I can, I'd like to try more triggers
06:28 PM rue_shop3: milled any graphite on your machine yet?
06:28 PM Tom_L: no
06:28 PM Tom_L: i bet that would be messy
06:29 PM rue_shop3: I was cleaning up and found the parts I need to connect the injection pump to that boiler
06:29 PM rue_shop3: now I just need a motor for the pump
06:29 PM rue_shop3: (I found the pump too)
06:30 PM Tom_L: mine can't
06:30 PM Tom_L: 20-40k rpm spindle speeds required
06:31 PM rue_shop3: .. what!?
06:31 PM rue_shop3: .. what happens if you use low feed rate?
06:31 PM Tom_L: probably crumbles
06:42 PM Tom_itx: https://www.harveyperformance.com/in-the-loupe/grappling-with-graphite/
06:42 PM Tom_itx: if you really wanna know
06:42 PM Tom_itx: hard on tooling
06:42 PM Tom_itx: no chips, just conductive dust which will form a cloud and short out things and kill the operator
06:42 PM Tom_itx: not one i care to experiment on
06:44 PM rue_shop3: hmm
06:45 PM Tom_L: the yt i watched on it has a bottom suction table to evacuate the dust
06:45 PM Tom_L: sounds like nasty stuff
06:48 PM rue_shop3: huh
06:49 PM Tom_L: brittle like tungsten
06:49 PM Tom_L: but no chips just abrasive powder
06:49 PM Tom_L: we machined tungsten at my bud's shop
06:49 PM Tom_L: you drop the part, it cracks
07:01 PM rue_shop3: hmm
07:01 PM rue_shop3: I suppose its better white hot
07:13 PM Tom_L: not sure about that
07:13 PM Tom_L: i know a little block of it is damn heavy
07:19 PM rue_shop3: what do you use to machine tungsten anyhow?
07:24 PM Tom_L: carbide
07:24 PM Tom_L: tungsten carbide :)
07:29 PM rue_shop3: heh
07:30 PM Tom_L: they use that and lead in planes for wing ballast
07:30 PM Tom_L: tungsten goes in the smaller spaces since it's heavier
07:31 PM rue_shop3: ....wing ballast
07:31 PM rue_shop3: seems like you would find someting other than adding weight to counter it
07:32 PM Tom_L: balance
07:37 PM Tom_L: wings are just big gas tanks anyway... who needs em to keep the plane in the air?
07:40 PM rue_shop3: :)
07:41 PM rue_shop3: I was digging thru my pneumatic/hydraulic stuff to find that small pump
07:41 PM rue_shop3: found an air dryer I can use for my small compressor
07:41 PM Tom_L: i used to have one on mine
07:41 PM rue_shop3: went to put it over in the shed with the compressor and found I already have one waiting to be installed
07:42 PM Tom_L: but it just turns to rust after a while
07:42 PM rue_shop3: some of the air I get out of my lines is like a shower nozzel
07:42 PM Tom_L: mmm
07:42 PM Tom_L: mine settles in the bottom of the 80 gal tank
07:42 PM rue_shop3: yea, it probably has enough time to cool and condense
07:42 PM rue_shop3: mines just about right thru
07:43 PM rue_shop3: tho, I have to check that tank
07:43 PM rue_shop3: its not an air tank
07:43 PM rue_shop3: improperly located drain
07:43 PM Tom_L: freon?
07:43 PM rue_shop3: no, water :D
07:43 PM Tom_L: heh
07:43 PM rue_shop3: not a hot water tank, its heavier and galvanized
07:44 PM Tom_L: not a bladder tank is it?
07:44 PM rue_shop3: I should redo it this summer
07:44 PM rue_shop3: no
07:44 PM rue_shop3: I should pressure test it too
07:44 PM rue_shop3: iirc 300%
07:44 PM Tom_L: i wouldn't try that on mine
07:45 PM Tom_L: it already pumps to 175
07:46 PM Tom_L: i'm sure somebody probably did
07:46 PM rue_shop3: yea, yearly is good
07:47 PM Tom_L: we had one smaller one that had all sorts of screws in it patching holes :)
07:47 PM rue_shop3: hmm that page says 150%
07:48 PM rue_shop3: this one says 125%
07:49 PM Tom_L: he's not as brave as the other guy
07:49 PM rue_shop3: huh I thought it was standardized
07:50 PM Tom_L: at the end of the tank line i recall a water tank they'd test the tanks in at coleman
07:51 PM Tom_L: i didn't get over that far very often so i don't recall that much about it
07:52 PM rue_shop3: "During a hydrostatic test, your fire extinguisher will be pressurized to a higher than normal operating pressure—usually 125 – 150 percent of the normal load"
07:52 PM rue_shop3: ok
07:52 PM rue_shop3: not 300%
07:52 PM rue_shop3: its done with water, if the tank bursts there's kinda a squirt and its done
07:53 PM Tom_L: wonder how long it took them to figure that out
07:54 PM rue_shop3: after steam boilers started exploding on a regular basis
07:54 PM Tom_L: early ones were rivited together weren't they?
07:54 PM rue_shop3: and late ones I think
07:55 PM Tom_L: makes me think of a part i used to run now but i'm not even sure what it went on
07:56 PM Tom_L: but they used seamless tubing for it
07:56 PM rue_shop3: dare I ask how you came up with 69c ea for those parts?
07:56 PM Tom_L: most parts i knew what they were for
07:56 PM Tom_L: cost of material to make one A9
07:56 PM rue_shop3: oh
07:57 PM rue_shop3: well I added a bit for your time and stuff too
07:57 PM Tom_L: how many can i get out of this chunk and what did it cost me
07:57 PM Tom_L: i appreciate that but i didn't bother to calculate any of it
07:57 PM rue_shop3: :)
07:58 PM Tom_L: those A12 obviously were less...
07:58 PM Tom_L: is it worth it for you?
07:59 PM Tom_L: or too much to ship etc
07:59 PM rue_shop3: I'm not sure
07:59 PM rue_shop3: I didn't do a lot of checks
07:59 PM Tom_L: shipping seems to be a constant up to a given weight
07:59 PM rue_shop3: I think so
07:59 PM rue_shop3: we have to put a lot of time into it
07:59 PM rue_shop3: yea, thats same here
07:59 PM Tom_L: and the copper weighs alot more than the other parts
08:00 PM rue_shop3: the box can be the size of a house and as long as its not over x lbs, its all the same
08:00 PM rue_shop3: I split the shipping 50/50 me and parts
08:00 PM Tom_L: i was hesitant to add more but honestly i can't even tell i sent any
08:01 PM rue_shop3: heh
08:01 PM Tom_L: small box i'm sure is less to ship, that was based on a medium one
08:01 PM rue_shop3: I'v learned that the materials supply I'v got, in general is huge
08:01 PM rue_shop3: I'v done a few projects that 'used up a lot of stuff' and I couldn't tell
08:02 PM Tom_L: you would have crapped if you'd have seen how much copper we had and how much we got rid of
08:02 PM Tom_L: it was literally 2 pickups full
08:02 PM Tom_L: a bud an i split the cost
08:03 PM Tom_L: i just hope you get some use out of it
08:06 PM Tom_L: and i brought home half of a 5gal pail of acid they used for etching
08:06 PM Tom_L: i didn't feel like storing that so i ended up getting rid of ti
08:06 PM Tom_L: it
08:07 PM rue_shop3: its so sad
08:07 PM rue_shop3: you could have made a fortune selling 6"x6" pieces on the internet
08:07 PM rue_shop3: its going for a mint
08:07 PM rue_shop3: I wonder how long what I'v got will last me
08:08 PM Tom_L: as you see, it's not pristine copper
08:08 PM Tom_L: i have some sheets in the basement that are but that stack in the garage is cutoff that was on the floor behind their shear
08:09 PM Tom_L: http://tom-itx.no-ip.biz:81/~webpage/etching/Copper3.jpg
08:09 PM Tom_L: i'm sure you've seen it
08:09 PM Tom_L: that's half a sheet
08:09 PM Tom_L: i had to cut it in half to store it
08:10 PM Tom_L: price of osh you may go back to etching yourself again :)
08:12 PM rue_shop3: nor are the 6x6 peices sold online
08:15 PM Tom_L: that place is a tool grind shop now
08:15 PM Tom_L: i've had them sharpen a couple for me
08:18 PM rue_shop3: ok sometime in the next 2 hours I should get an important call
08:19 PM Tom_L: ok
08:25 PM rue_shop3: I'm just cleaning up the shop
08:40 PM Tom_L: ice cream
08:40 PM Tom_L: mmmm
09:28 PM rue_shop3: hmm whats J short for on a transistor
09:28 PM rue_shop3: k is short for 2sk
09:28 PM rue_shop3: oh it is 2sj
09:28 PM rue_shop3: damn
09:28 PM rue_shop3: tahts a new one
09:29 PM rue_shop3: oof 25A
09:30 PM rue_shop3: (2SJ600)