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Messages - HamSandwich

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Open Discussion / Re: Sound to light circuit suggestions?
« on: May 11, 2019, 10:06:22 PM »
I used this one

In this

That's so cool. How do the LED's light up at different times like that? Seems like chaos in a great way.

Open Discussion / Re: Custom "Volume" Pedal
« on: May 10, 2019, 02:05:01 PM »
Check out the ZVex seek trem. Instead of pots, use set resistors. I think it even has LED's already? Rather than scrolling through with a rate, you'd have to click through. Where there's a will, there's a way!

I think a microcontroller, even something very simple like a PICAXE would do the job.

Open Discussion / Re: New (old) (free!) amp day
« on: April 30, 2019, 09:19:12 AM »


Build Reports / Re: Another electric mistress clone
« on: April 23, 2019, 03:37:32 PM »
What the serious f***

Open Discussion / Re: Fun/Interesting Visuals?
« on: April 23, 2019, 02:56:54 PM »
I don't know anything about FF7, but I do know there are lots of options for really slick displays/visuals out there.  Take a look through the Adafruit site, and you might find some inspiration, like maybe these NeoPixels:

The product you linked to looks amazing. But, it might be a little too much power and maybe too intense. On the site though, something like this looks interesting, but I'm not sure if I'd be able to control the rate that it all moves around:

I really like "magic eye" tubes and wanted to build one into an amp/pedal

Agreed! Although I can't really think of a way to use one for this project. Delays and modulation for sure though. I'm working on a pre-ampy sort of drive thing.

Open Discussion / Fun/Interesting Visuals?
« on: April 23, 2019, 12:40:35 PM »
I'm working on a tube effect that's in a pretty large enclosure, and I'm basing the enclosure design off the big cannon from FF7. I thought it would be fun to add some sort of interesting visual effect to it. I thought about putting an LED bar graph that would increase as the drive knob is turned up simply by using a dual gang pot and putting a CV on one of the gangs to control an LED controller, but there certainly has to be something more interesting out there. Or something that flashed faster as the drive increased, but I have a feeling a simple flashing LED wouldn't too interesting. Perhaps a multi color LED fading between colors.

This is real cool, but probably a little outside of what I could put together. Unless there's a kit for this type tube thing out there:

The basic requirement is that it doesn't consume a whole lot of power. I have extra amps on tap for the tubes, but probably not enough for something like a whole extra preamp tube.

Thanks for any suggestions!

Open Discussion / Re: Mouser appears to be charging sales tax now
« on: April 21, 2019, 09:31:04 AM »
They always do, don't they?

Hmm, Im wondering the same thing. I looked back on 3 different invoices from 2017,2018 and 2019 and I have sales tax on all of them... Unless i'm missing something

Because we are in California where the housing prices are high and gas taxes keep increase. Median house price California 2019 is $510k where Nationwide median housing falls on $270k. I am just venting it out, especially about the gas prices. It's insane!

Just filled up at Arco, usually the only reasonable one, and it finally went above $4 😑

How Do I? Beginner's Paradise. / Re: First Eagle Schematic/ PCB
« on: April 13, 2019, 06:23:27 PM »
Hello Jay, couple of comments.

1) your diode, cap and transistor pads look VERY small. The lead may or fit through, and even if it did, it will be very hard to solder to such a small pad.
2) you have a lot of room between components. If this were a board for someone learning to solder, the ample spacing would be great. If you are competent at soldering, Iíd move all the components together more. Iíd also orient them vertically instead of horizontally, that way you can route traces underneath components instead of around. Youíll also save money by not using unnecessary space at the fab house.
3) I donít see any in, out or power connections!

I suggest getting the book PCB for musical effects by RG Keen, who is the mind behind GEOFEX. I also suggest looking at and learning from other peopleís layouts. Your learn a lot. Finally, read up on ground planes as I think that are invaluable. The book will help you with the layout, and any EAGLE tutorial will help you out with the program, but they are two separate skills to master.

There is an EAGLE section of this forum and you may find many threads there that are helpful. 

Open Discussion / Re: Xvive SAD1024 Reissues up on site
« on: April 01, 2019, 01:27:37 PM »
Ah you SOB.

Open Discussion / Re: DIY 4 Second Digital Delay
« on: March 31, 2019, 10:13:46 PM »
The chip has a handful of mentions over at DIYSB. I suspect it hasnít taken off for the same reasons most programmable chips havenít taken off - the difference between designing and soldering circuit boards is vastly different from the knowledge needed to write programs for effects. The FV1 tries to hurdle this with its simplified unit programming, and seems to have done a good job.

Open Discussion / Re: Have I mentioned that I DO NOT like FedEx??
« on: March 29, 2019, 04:11:43 PM »

The inner workings of all of the shipping companies can be a mystery at times.  Iíve had things routed way out of the direct path of travel for reasons I still donít understand.

Unfortunately, if itís five day service, they likely just deprioritized your package in favor of more urgent deliveries.  Since they technically met their obligation, thereís not much recourse.  Iím not sure FedEx is any worse in this regard, but I understand itís frustrating.

That's what I'm thinking as well. I've worked for and consulted with plenty of companies that either are the deliverers or ship stuff daily, and there's a lot of scheduling, planning and inner workings that aren't obvious or available to customers or people not familiar with shipping logistics. It would be great if the stars aligned and you got your package early, but as long as they keep their end of the bargain, I don't see how you can blame them for anything yet.

Open Discussion / Re: Have I mentioned that I DO NOT like FedEx??
« on: March 29, 2019, 11:49:19 AM »
Perhaps there is more going on in the inner workings that cause this problem than is immediately apparent from tracking your package.

Open Discussion / Re: ... Need help with debugging an Aquaboy 2016
« on: March 28, 2019, 10:45:42 PM »
You have audio when the effect is on or off because itís likely something happened in the delay line. The ďdryĒ signal is split and sent through the delay line through C8, but also passes through the R8. The delayed signal gets mixed in through R29. If youíre gettinf clean signal, that suggest something happened after C8 and before R29. Is your clock still setup right? If you turn the mix all the way up, so you get anything? Can you post voltages? Also, do an audio probe all the way through the delay line, starting with C8 and see where youíre losing it.

Open Discussion / Re: ... Need help with debugging an Aquaboy 2016
« on: March 26, 2019, 03:21:41 PM »
Sounds like something it shorting some where. When you audio probed, did you check the output of the delay chip? I believe you should only be getting delayed signal out of that, no 'clean'. And also, when you take the circuit out of the box, does it work again?

Open Discussion / Re: Total Time Logged in
« on: March 21, 2019, 09:31:46 PM »
Iíve got a measly five days, but in looking for it, I see I signed up on this date in 2015! Good thread timing.

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