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Topics - madbean

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Global Annoucements / New Projects day! Restock, mini-sale
« on: November 15, 2018, 03:29:56 PM »
New Projects! VFE Fiery Red Horse and the Springboard. Also, a 3PDT bypass board for 1590A projects.
Back in stock: 9mm pots panel, Headtrip and UberTuber (rev.1). UberTuber Deluxe with pre-tested 6111WA tube available in limited quantities (tube available in USA only).
Projects on sale! Cave Dweller, Bloviator, Glam and Runt.
Also: New, lower prices on Road Rage, 3PRR, AQB_MOD and TRXPN boards.


The UberTuber rev.1 board is the same circuit with 500k trimpots instead of fixed plate resistors. All is explained in the doc. I have 15 sets of the Deluxe w/ the 6111 tube. I may have more later but I ran out of time to screen any more than that.

I should be able to ship any orders that come through today by tomorrow. But, orders places Fri-Sunday won't ship until late Monday or early Tuesday.


Breakdown on UberTuber Deluxe in case you are wondering:
Boards/parts $15 as normal
Tube $11
Added shipping for Priority mail (padded envelope no bueno for these): $3

VFE Projects / VFE Switching Board - OSHPark
« on: November 14, 2018, 06:05:18 AM »
In case you ever need a replacement switching board I've made it available at OshPark. Keep in mind this does not include the MCU, which you should already have if you just need a replacement PCB. In some cases, I can send a replacement instead of going through OSH Park. It just depends on how many PCBs I have at any given time. But, this option is available to you.

Order from OSH Park

Open Discussion / Long term memory - WTF
« on: November 09, 2018, 07:22:11 PM »
First off, this is not about bragging because it frigging annoys me to no end (it's a bug, not a feature). My long term memory is kind of terrible. People tell me all the time about things I've said, or done, or events that I participated in and I honestly have no idea what they are talking about. It's like there's a blank space in my brain that I can't access no matter how hard I try. Sometimes it's rather embarrassing because it involves personal relationships and it is definitely not on purpose.

And yet, I can remember in detail a game level I played for like 20 minutes 10 years ago or the phone number for an old friend I haven't used in 20 years. Is this just normal aging? Surely everyone else has this problem, right? Maybe it's time for a DIY neurological scanner.

Open Discussion / Gettin' in on the business card fad
« on: November 08, 2018, 05:01:38 PM »
Why invent when you can steal? Wanted to do this for a while. This might end up being the next giveaway. It's basically the DAM Meathead in s 1590A.

VFE Projects / Bumblebee
« on: November 05, 2018, 06:39:00 AM »
I've only got a small handful of Bumblebee boards and I have a feeling it will be a popular project. So, here's something I'm considering - a new layout for it fitted for 125B with the switching on a single board. Plus, it would include a 6-pin header to connect your jacks so they can be unplugged for easy removal!

This was a real challenge. Frankly, I don't know how he gets so much on a 1590B layout. I think a lot of it has to do with using much smaller pads and closer spacing than I typically use. The trade-off is cramped boards and sometimes hard to solder pads. This layout is dense, but should be a pretty straight-forward build and be easier to solder up.

Mods / BTDR socketing
« on: November 01, 2018, 08:05:47 AM »
The Belton Bricks are a pain to de-solder but don't fit in regular in-line sockets. So here is a trick -

Take a garden variety Tayda 16 pin leaf socket. Cut out two rows of 5 in-line and solder them next to one another. Insert BTDR3. If you want extra stability use some 3M foam tape underneath the BTDR to affix it to your PCB.

Global Annoucements / VFE Sale coming Thursday Nov 1st - for a good cause
« on: October 31, 2018, 06:51:16 PM »
Some of you have probably already heard the Peter will be shutting down VFE for good in the near future. This is due to some personal medical issues with his newborn which will require a lot of his time. And, money. You can find more details in his video on the front page of the VFE site.

Peter is also running a GoFundMe to help defray some of the medical expenses he is incurring. So, let's do our part and help out. We're going to help meet that goal!

Starting tomorrow and going through at least Monday (possibly longer) afternoon - All VFE projects will be on sale. 100% of the sales (minus shipping charges) will be donated directly to the GoFundMe at the conclusion of the sale. I will also be adding to that my own personal donation.

I emailed Peter a couple days ago to run this by him first but I haven't heard from him. So, I'd rather barrel ahead and ask forgiveness later in case he objects. In any case, let's help give back to a great guy who has supported mbp and the DIY community so much! I'll post in the forum tomorrow afternoon once the sale is live.

Build Reports / Pedalboard pre-viz
« on: October 31, 2018, 08:48:46 AM »
I'm going to get my crap together and get the pedalboard final form together before the end of the year. I might have a new record to work on with the band in 2019 and I want to have this sorted well before going into the studio. I think I will just build my own p/b to get it exactly the right size. Here's what I'm looking at

1 - Two tiers where all the "set and forget" pedals are partially underneath the elevated tier. All the gray pedals are DIY builds.
2 - I don't actually have a Boss ES-8 but I do need to do something with patch memory and midi switching. I've got an Epic Looper PCB set on the way so I might be able to work something out with just 5 loops for dirt/comp/fuzz and compliment everything else with a combination of midi switching and some pedals not in loops (all the weird synth stuff, harmonizer pedals don't have to be in loops). The ES-8 checks a lot of boxes but it is really expensive.
3 - Stereo through all on the top tier.

This board will be pretty huge but it's got a lot of stuff on it that I can't get through DIY builds alone. So over the top. Much tone. Wow!

Global Annoucements / Projects Page update
« on: October 31, 2018, 06:15:52 AM »
The Projects page has had a bit of a design update. Mostly driven by the fact that the entire file structure behind it was a mess. Also, the Archives now has a dedicated page linked from the Projects Page.

Changes to the Projects Page: all the project docs and associated drill templates (.psd files) can be downloaded together in a zip. Also, schematics for every project can be viewed directly from the Projects Page.

All feedback welcomed for any other changes you want to see.

Open Discussion / Searching - for an answer
« on: October 24, 2018, 04:56:12 PM »
The search function continues to crash every few days so I have been repairing it every so often. Anyone here know enough about PHP or SQL to guess as to what would make the log_search_results table crash so easily? I've looked a bit on smf support but haven't really found an answer.

Errata, Corrections, Revisions / Headtrip pots
« on: October 22, 2018, 01:17:05 PM »
The shopping list has all of the pots as 9mm, but three of the 50kB pots should be 16mm. I will correct the doc later today and re-upload it.

Open Discussion / jubal81 is a genius
« on: October 21, 2018, 10:01:54 AM »
When I have some extra cash I'm going to buy a whole nother set of 9mm pots to use on the breadboard.

Open Discussion / This works, I guess
« on: October 21, 2018, 09:41:27 AM »
Don't know if it saves much time but it produces pretty consistent results.

Global Annoucements / Oct. Releases Released - 1
« on: October 19, 2018, 08:56:10 PM »
Dreamtime, Headtrip and 9mm Pot Panel are all released.

I only have a handful of the 9mm panels (will get more in November) but a pretty good chunk of the other two. And, the Pepper Spray ships free with all order until I run out. I got more (75) than the Donut so hopefully they will last a few days.

The Headtrip demo is also up:;topicseen

The Wavelord is not releasing today. My sincere apologies. When I got down to doing the demo and started really digging into it, I realized the detail is just not there yet in the tremolo. By that, I mean some of the waveform subtlety isn't coming through as well as it should. There are a lot of intricate waveforms in the TAPLFO3 and they ALL need to be useable in the Wavelord. I think it comes down to my choice of optical device. In the build doc, I listed the NSL32 R3 and I think this is the problem - dark resistance too large. In order to get to the solution I have to disassemble my build which is going to take time. So, better to put it off for another week or two and get it right. I only had about 8 to sell right now anyway because that's as many rotary switches I could get at the time.

Audio/Video Demos / Headtrip demo
« on: October 19, 2018, 08:15:13 PM »
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