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Messages - Beedoola

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1
Open Discussion / Re: Whetstone kits
« on: June 04, 2021, 10:18:22 PM »
Anyone know what the DIV pad is for on the whetstone.

I have the same question. I didn’t see it answered.

2
Open Discussion / Components inventory/order lists?
« on: May 29, 2021, 01:05:42 PM »
I have a box of resistors and caps that I have organized and use for builds but I haven't ordered anything on a large scale in years and need to replenish my stock.

Does anyone have a document/list they use as a reference for what to order?

If so, you mind sharing it? If it includes switches and stuff like that, that is awesome.

3
Open Discussion / Brown Burr OPA2134U - no longer made?
« on: November 21, 2020, 05:54:39 PM »
I was looking to get some SMD ones for my Line 6 DL-4. I can't seem to find any. I saw that Texas Instruments bought BB in 2000. Does this mean the chips are still being made and the same quality as before but now from TI?

If I google just "OPA2134U" I see a lot of results from China but are these low quality knock offs?

Thanks.

4
Open Discussion / Re: The Official Coronavirus Discussion
« on: July 02, 2020, 11:29:06 AM »
'Herd immunity', has it been established there is immunity once having recovered from having Covid-19?

From the CDC website, updated June 28, 2020;

The immune response, including duration of immunity, to SARS-CoV-2 infection is not yet understood. Patients with MERS-CoV are unlikely to be re-infected shortly after they recover, but it is not yet known whether similar immune protection will be observed for patients with COVID-19.

https://www.cdc.gov/coronavirus/2019-ncov/hcp/faq.html

dave

You’re right—there is no consensus regarding the adaptive immune response and much that is not yet fully understood. Remember that this is a novel pathogen and there’s still much unknown. The cardiovascular impacts are particularly concerning.

I’m glad to see that folks (especially young people) here have an appreciation for the severity of this. With that said, though, the impacts of anxiety are important too. Be responsible and take care of yourself is the best advice. But, this is not over and the warm weather isn’t going to make it disappear. The novel nature of the pathogen is more dominant than any environmental factor (i.e., this doesn’t have the cyclical seasonal pattern of established infectious diseases because it is new to our innate immune response). However, the decrease in sustained, close indoor contact has a mitigating effect.

On a related note, yes there’s a mutation in the virus. No, that doesn’t mean anything in particular. Viruses copy themselves as they infect/spread. They’re also not very good at it and copy errors are made. From a virus’ perspective, it’s most beneficial to become less virulent/lethal while becoming more infectious (think common cold rhinoviruses). They want to be able to spread without inconveniencing/killing those it infects. So, as news reports come out about ‘mutations’—just as with everything else—that needs to be contextualized and studied before it really means anything.

Small rant: The world absolutely had the opportunity to contain and perhaps eradicate SARS-CoV-2. That we didn’t is a massive failure. There is dwindling hope of that now. Even with a vaccine, the (almost certain) necessity of cold-chain supply and the trend of aversion to vaccines in middle- and high-income countries means that that won’t be the final answer.

Here in the Bay Area I see the use of masks by young people as mixed. I find it interesting as I know some younger people (I'm 35, these people being in their early 20s) that were Bernie supporters but don't seem to get or care about masks.

I find the reluctance to wear masks akin to people that don't want to wear a bicycle helmet cause they think it makes them look uncool. This isn't to say anyone that doesn't wear a helmet does it for that reason.

Could be also the misinformation that is still lingering that CV19 only effects older people.

5
Open Discussion / Re: Transformer isolated A/B/Y layout
« on: July 02, 2020, 11:20:42 AM »
Thank you, TFZ!  :D

6
Open Discussion / Transformer isolated A/B/Y layout
« on: July 01, 2020, 11:56:24 PM »
I just got the transformers for this but I'm not sure how to read the pins on the transformer from the schematic. Can anyone take a look at this?

http://www.geofex.com/FX_images/TransformerSplitter.pdf

7
Open Discussion / Buff enclosure clear coat?
« on: May 05, 2020, 03:14:02 PM »
Do you all buff or do a finish wet sand one you're applied your clear coat? I have two enclosures drying. I used some Rustoleum Painter's touch X2 clear like shown below. The clear came out good with no real imperfections but I wanted to know if you buff the finish before assembling the pedal.

https://www.homedepot.com/p/Rust-Oleum-Painter-s-Touch-2X-12-oz-Gloss-Clear-General-Purpose-Spray-Paint-334029/307244797?MERCH=REC-_-searchViewed-_-100176222;206495767;204644771;205723773;202058776;301068197;204644772;206560110;302690091;204707453;300231692;205395514;204655493;202058511;204644764;205395502;202058834;203175966;307430738;308298874;305164182;204680928;309675802;202572588;-_-307244797-_-N

8
Open Discussion / Patina enclosures: Hot or Cold?
« on: May 01, 2020, 05:17:38 PM »
I was looking into patina(ing?) enclosures and found someone doing a demonstration of Hot patina process.

I've patina'd steel before but never aluminum.

Have any of you done it and any pointers/products you used?

9
Open Discussion / Re: Does resistor wattage effect signal output
« on: April 23, 2020, 01:02:49 PM »
yep but they are usually loud, ya?  ::)

Thanks for answering my initial question.

10
Open Discussion / Re: Does resistor wattage effect signal output
« on: April 23, 2020, 12:12:36 PM »
Skreddy Lunar Module Deluxe. Used the tagboard FX layout. It works but the max volume seems kind of low for a fuzz.

11
Open Discussion / Does resistor wattage effect signal output
« on: April 23, 2020, 11:29:10 AM »
I had to use some 1/2 watt resistors in a pedal build in a few locations. The output of the circuit at max isn't as loud as I imagined it would be for a fuzz and I was curious if the resistors in question could be a contributing factor?

12
Open Discussion / Favorite Skreddy fuzz circuits?
« on: April 12, 2020, 05:15:35 PM »
Looking to build some and I'm a little overwhelmed as they sound great. Leaning towards a Mayo but curious what y'all have to say.

13
Open Discussion / Tayda best US supply for parts right now?
« on: April 12, 2020, 04:33:22 PM »
I see Small Bear is down do to the shelter in place. Wanted to get some parts for some builds give the shelter in place.


14
Open Discussion / Table top solder blanket/tarp?
« on: April 01, 2020, 01:35:23 PM »
Given the shelter in place, I can’t really access my communal shop space where my work bench is.

My girlfriend is using my music desk for work and I want to build some stuff on the dining room table.

I wanted to get protective material to put over the table/my work area. Any suggestions? Doesn’t have to be specifically for soldering but something durable enough. to handle if a drop of solder falls on there not to burn through to the table.

Thoughts/suggestions?

15
Open Discussion / Photo cell for long delay time
« on: November 09, 2019, 08:47:09 PM »
I've built some Pitch Pirate clones where I used an electric druid TAP LFO in place of the stock PP LFO.

I have no clue what photocell I used on one iteration I no longer have but it seemed to increase the depth function of the PP circuit. Anyone know what value photocell might achieve this?

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