Author Topic: What did you buy today? Post your latest purchase!  (Read 1550762 times)

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Offline technix

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Re: What did you buy today? Post your latest purchase!
« Reply #10025 on: April 26, 2020, 07:12:42 pm »
You bought the wrong card. There are two different cores for the RTX 2060: the original RTX 2060 based on TU106, and a newer version based on TU104 that failed to qualify as RTX 2070. While nVidia did turn off features on those failed TU104 to align with TU106 in terms of game feature, a lot of non-game features are left on for whatever reason. Those RTX 2060 TU104 cards can perform close to an RTX 2080 levels when coming to non-gaming tasks like non-real-time rendering, compute and ML.
Yeah, I bought the wrong card. I was looking for Tesla V100S, but strangely I can’t find one in a budget of few hundred dollars.

As for the RTX 2060 Super - it is definitely better for ML than its non-Super siblings both the new (TU104-based) and the old (TU106-based) ones. Significant differences: 2060S has more memory (can train in larger batches), wider memory bus, larger L2 cache. Marginal differences: slightly faster performance (in TFLOPS) due to 2060S having somewhat larger number of CUDA cores and tensor cores that run at slightly faster clock.

https://en.m.wikipedia.org/wiki/GeForce_20_series
Benchmarks says otherwise if folks at Gamer Nexus are to be trusted. They have benchmarked the 2060 TU104 against both 2060 Super and 2080, finding the 2060 TU104 leaning very close to 2080 when running their suite of non-gaming tests. The key here is that other than spec sheet, there are more design differences in the TU104 and TU106 cores, some of them that is not reflected in the spec sheets, yet so fundamental that nVidia can not turn those off when binning the chips down. Something like improved FP64 handling, a better tensor core/RT core design, even physically spreading the cores out more so heat transfer can work better.

How does AMD bode now with ML? There are folks now buying retired mining rigs loaded with RX 470 and RX 480 for ML tasks.
 
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Online mansaxel

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Re: What did you buy today? Post your latest purchase!
« Reply #10026 on: April 26, 2020, 07:35:35 pm »
Lesseee,

Two staplers, A Swedish Isaberg Rapid and an USA-made N-C J60.
5 pairs of scissors, mostly for fabric. Swedish, Finnish, and UK made.
3 wood chisels, 2 Bacho / E A Berg and one Finnish, Sorsakoski.
3 sheet metal shears, US / German made.

BSPT 1/2" thread die, for normal die holder.
UNC 1/2" die and taps set. I have BSW but lacked UNC in 1/2".

I'm holding my breath a bit for a quite fascinating piece of TE to top this off. 

Online bingo600

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Re: What did you buy today? Post your latest purchase!
« Reply #10027 on: April 26, 2020, 07:53:29 pm »
A part for my upcomming ESXi machine.

A DELL INTEL I350-T4 QUAD PORT 1GB RJ-45 FULL HEIGHT NETWORK CARD - X8DHT
Seller accepted £35
https://www.ebay.com/itm/DELL-INTEL-I350-T4-QUAD-PORT-1GB-RJ-45-FULL-HEIGHT-NETWORK-CARD-X8DHT/164023162789

A genuine INTEL I350-T4 QUAD is hard to come by, as China is flooding fakes out.
The OEM's (DELL / Lenovo etc...) , are less hit (yet)

A good hint to a genuine is that the DELTA xformers must have the DELTA engraved into the plastic
 

Offline GreyWoolfe

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Re: What did you buy today? Post your latest purchase!
« Reply #10028 on: April 26, 2020, 09:23:36 pm »
Scored a cheep bench grinder.  I have been looking occasionally and this was on the local Craigslist-Valley BG-6 6", 3/4 HP.  Fairly quiet on power up and very quiet on power down, no bearing noise that I could hear.  It was listed for 6 days when I saw it and figured it was probably gone but I would take a chance.  Just picked it up for the princely sum of $20 USD.  They sell online for twice that new but only come with a 1/2 HP motor.  Now to find a cheep bench drill press. :)

(Attachment Link)

Nice buy.
Some of these older motors are repeatable and have standard bearings. In my experience buying older shop equipment (grinder, lathe, drill press, bandsaws, etc..) is once properly repaired is they will outlast the cheap/regular stuff.

Looking at what seems to be embedded metal on the wheels I would invest in a dressing tool and check balance properly before putting it to use. Also a good pair of safety glasses or a full face shield of course.

I am actually planning on replacing the wheels with a wire wheel and polishing wheel for what I want to use it for.  I will see about picking up a dressing tool and I do have a full face shield already.
"Heaven has been described as the place that once you get there all the dogs you ever loved run up to greet you."
 

Offline richnormand

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Re: What did you buy today? Post your latest purchase!
« Reply #10029 on: April 26, 2020, 10:05:11 pm »
Edited the autocorrect booboo in the original post GreyWoolfe.
Dressing tool comment was if you intended to use the originals as shown in the picture.
Best of luck with it.
Cheers and stay safe.
« Last Edit: April 26, 2020, 10:07:30 pm by richnormand »
REPAIR, RENEW, REUSE, RECYCLE, REDUCE, REPURPOSE....
 

Offline beanflying

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Re: What did you buy today? Post your latest purchase!
« Reply #10030 on: April 29, 2020, 08:02:12 am »
Shallow Rake Aluminium blade for my Tracksaw, V slot and general Aluminium/Acrylic choppage. The other is just a prop  ::)
Coffee, Food, R/C and electronics nerd in no particular order. Also CNC wannabe, 3D printer and Laser Cutter Junkie and just don't mention my TEA addiction....
 

Offline WattsThat

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Re: What did you buy today? Post your latest purchase!
« Reply #10031 on: April 30, 2020, 09:15:35 pm »
A nice accessory for my scope and DMM, sort of the opposite of the uCurrent. Does that make it a MacroCurrent?  :-DD
 
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Online hugo

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Re: What did you buy today? Post your latest purchase!
« Reply #10032 on: May 01, 2020, 09:56:11 pm »
 
Quote
A nice accessory for my scope and DMM, sort of the opposite of the uCurrent. Does that make it a MacroCurrent?

No it's uCurrent on steroids  ;)
 

Offline technix

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Re: What did you buy today? Post your latest purchase!
« Reply #10033 on: May 03, 2020, 06:36:09 pm »
So I encountered an IKEA Tradfri Zigbee LED light bulb at 1/8 its original price in the as-is section of my local IKEA store today and snatched that. Now I have a known good Zigbee Light Link target, time to cook up that AT86RF231-based ZigBee module, either as a Pi HAT or a USB dongle. (The USB dongle option uses STM32F103 as the main MCU, and that version also allows me to throw in an additional PA/LNA/RF switch combo chip for added sensitivity.)
 

Online Martin72

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Re: What did you buy today? Post your latest purchase!
« Reply #10034 on: May 04, 2020, 08:03:58 pm »
Latest Buy:

A TL886II+ programmer.
Nice feature:
It could test logic ICs also....


Offline med6753

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Re: What did you buy today? Post your latest purchase!
« Reply #10035 on: May 05, 2020, 04:09:38 pm »
Kelvin leads for the Fluke 8505A. I had to cut the nanny shields off the plugs so they would fit in the non-CAT banana jacks.

An old gray beard with an attitude.
 

Online duckduck

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Re: What did you buy today? Post your latest purchase!
« Reply #10036 on: May 05, 2020, 05:24:34 pm »
20A Variac. They are around US$75 delivered from an importer in California that sells them on Ebay. This is going to be super useful for testing tube guitar amps and anything where the device under test runs on 120 V AC, obviously.

 

Online BravoV

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Samsung DDR4 ECC M393A2K43BB1-CRC
« Reply #10037 on: May 07, 2020, 12:51:40 pm »
ECC DDR4 16GB x 2 pieces, Samsung M391A2K43BB1-CRC, related to my other thread -> HERE
« Last Edit: May 10, 2020, 07:49:25 am by BravoV »
 

Online cdev

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Re: What did you buy today? Post your latest purchase!
« Reply #10038 on: May 08, 2020, 04:31:54 am »
Its a monstah!
"What the large print giveth, the small print taketh away."
 

Offline Urs42

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Re: What did you buy today? Post your latest purchase!
« Reply #10039 on: May 10, 2020, 07:23:25 am »
I got this GE Talaria MP projector some time ago but was not able to access it because of COVID-19. I think this projector was built around 1997, has a resolution of 1024x1280 (I guess they mean 1280x1024 but it is written the other way around in the documentation?!) and 8000 lumens.

Unfortunately all boards do have a ton of tantalum capacitors on them and one started to burn when i started the projector  :-BROKE

I've replaced the capacitor but i guess the next one will blow on the next try to power it up. I have the service manual with all schematics and a box with some spare parts for this thing.

https://en.wikipedia.org/wiki/Talaria_projector

I had to remove some pictures from the post because of the 5M limit.
 

Offline Mr. Scram

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Re: What did you buy today? Post your latest purchase!
« Reply #10040 on: May 10, 2020, 03:31:14 pm »
I don't care what it does, those are some good looking guts.
 

Offline Urs42

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Re: What did you buy today? Post your latest purchase!
« Reply #10041 on: May 10, 2020, 04:25:17 pm »
I got the Talaria powered up today without smoke, after preheating for about 40min i was able to switch on the lamp but it does only project garbled stuff, i guess the Repair section of this forum is better for this topic, i will post the next updates there.
 

Online MarkL

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Re: What did you buy today? Post your latest purchase!
« Reply #10042 on: May 10, 2020, 04:28:50 pm »
Wow - that's a huge number of tuning slug adjustments for a projector!  Must be a bear to align...
 

Offline rsjsouza

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Re: What did you buy today? Post your latest purchase!
« Reply #10043 on: May 11, 2020, 01:34:25 am »
Amazing score and 11A@230V! Quite the powerhog, considering that you needed one for each color (according to the Wikipedia article you linked).

It's amazing how technology evolved.
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Oh, the "whys" of the datasheets... The information is there not to be an axiomatic truth, but instead each speck of data must be slowly inhaled while carefully performing a deep search inside oneself to find the true metaphysical sense...
 

Offline Urs42

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Re: What did you buy today? Post your latest purchase!
« Reply #10044 on: May 11, 2020, 05:46:45 am »
Don't forget, this thing has 8000 lumens, after a quick search a modern 10000 lumen laser DLP projector seems to use about 1300w, i did not find one with 8000 lumen, the Talaria is rated for 1750w. I left the service manual with the projector and do not have it at home, i think the lamp is rated for 1000w and the heating for the oil inside the tube seems to use a ton of energy too...
 


Offline BFX

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Re: What did you buy today? Post your latest purchase!
« Reply #10046 on: May 13, 2020, 07:02:59 pm »
New toy (TEA rulez)   8)
Nice that customs did not catch it  :-+
« Last Edit: May 13, 2020, 07:17:26 pm by BFX »
 

Offline bitseeker

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Re: What did you buy today? Post your latest purchase!
« Reply #10047 on: May 14, 2020, 12:27:57 am »
New toy (TEA rulez)   8)

Yay, TEA time!

Quote
Nice that customs did not catch it  :-+

Bonus! :-+
I TEA.
 

Offline djos

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Re: What did you buy today? Post your latest purchase!
« Reply #10048 on: May 14, 2020, 12:37:30 am »
New toy (TEA rulez)   8)
Nice that customs did not catch it  :-+
(Attachment Link)

Nice, I found a good cheat for avoiding customs import duties for my customers in the EU/UK - I declare the products as "commercial samples" and the description as "prototype adapters". Luckily as my products are all hand soldered using TH parts and they use Prototype HASL PCB's, if customs were to inspect the goods they'll not find any reason to disagree.  8)
The impossible often has a kind of integrity which the merely improbable lacks.

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Offline blueskull

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Re: What did you buy today? Post your latest purchase!
« Reply #10049 on: May 14, 2020, 04:21:59 am »
Two power supplies, one ITech IT-M3125 600V/3A 850W DC, one IT-M7722 300V/2A AC (and 100V/6A AC and 400V 1.5A DC and 150V 4A DC ranges) 600W.

The new stackable half width 1U form factor is amazing for cluttered benches, and when my collection gets bigger, I can also throw them in a rack.

And they are priced fairly competitively, at about half of their old products, and fairly cheaper than (some) Keysight.

The AC source, for instance, is $2k, while feature-wise comparable Keysight unit with 2.5x the output power sells at more than $14k.
 
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