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  1. Feral Feline

    VN2222 — anyone use it? Uncommon in circuits, why?

    I've got a few of the "VN2222LLRLLRAG from Tayda, and probably a few other versions. (Various suffixes abound, it seems, "L" "L-D" "LL" "LL-G" "LL-G PO13" etc.) They seem a suitable replacement for BS170 or 2N7000, and yet the only time I've heard mention of them in a stomp-box-circuit is PJP...
  2. Feral Feline

    SWITCH-CRAFT (got any creative uses of switches?)

    I'm hoping this thread can be a catch-all for interesting and unconventional ways to use switches, whether rotaries, relays, footswitches, toggles... Here's one for a starter: I saw this a long time ago, supposed to be a DPDT "wired as on-on-on" that can act like a 3PDT.[EDIT SP3T] and...
  3. Feral Feline

    2N4208 — bad for something or good for nothing?

    I found these sili little PNP-critters in an HK shop this last February during the Lunar New Year. They were crusty and dusty, so I bought up the remaining stock (19 total) just cause I liked the look of them. Tidying up my toys today I came across them again and threw a few in the TC1 tester —...
  4. Feral Feline

    PHOTOVOLTAIC, rilly rilly?

    Exturnal Ehl Eee Dees, like rat pedals with rat grafficks and them LEDs are flashing war th'eyes shud bee. And uther pedals with LEDs az eyes... Duz tha xturnal lite shyning on 'em rilly mek a diffrants? Sumbawdy shud do a test-studdy, and I bet theyall find that phobovotalbic ehfekt is...
  5. Feral Feline

    CD4050 vs CD4049 & signal-inversion perversion

    I really like CD4049 circuits, a hex of inverting buffers, and recently I've been looking at the datasheet again. The CD4050 is included on the same datasheet, in most cases, and the CD4050 shares the same pinout as the '49, has the same number of buffers (non-inverting), the same power...
  6. Feral Feline

    EIGHTH-WATT BUILDS, WHAT? Which projects require 1/8w resistors?

    I've been doing some 1/8w stuff and need to order some more specific values which got me thinkering about thingerings... I couldn't resist making a list. Now the following list isn't exhaustive, Henry the Eighth I am NOT, Watt? Ohm, that would be revolting — so I don't ampere every Build Doc...
  7. Feral Feline

    SOLVED ChristMAS Tree trio of LEDs not lighting...

    So I didn't have time to build the little MAS Tree dirty-boost until today after dinner. The audio portion works just fine, but a few LEDs are not lighting up. For those of you who aren't familiar, this little PCB Christmas-Tree ornament has a little chip that randomises a bunch of LEDs to...
  8. Feral Feline

    What’s this whatchamacallit?

    I got these two doohickies in a grab-bag from Electronic Goldmine a while back. I found them again whilst looking for a switch from the same grab-bag (found the switch and it’s perfect for my build). Tried searching the net for various combinations of what’s writ on the kajiggers and NADA...
  9. Feral Feline

    Pickups out of phase on Ibanez AR325QA

    After installing the new pickups in my friend's Ibby, I wired it as per how I found it. Well that meant both of the toggles didn't work in one position. I spoke with Tonerider and got some good feedback and managed to resolder the switches and get them both working as they should, however...
  10. Feral Feline

    DE-MYSTIFYING SWITCHING JACKS ( switched, switcher, switch )

    THIS THREAD IS FOR ASKING/ANSWERING QUESTIONS ABOUT SWITCH-JACKS, please contribute tips, tricks, explanations and diagrams if you can. I was just looking online for a diagram of a switched-jack FX loop, and found bugger-all. After a few hours of trying various search criteria, I found but a...
  11. Feral Feline

    Forum Search Engine...

    ... couldn't find its way out of a paper bag. 😼 How are your searches going, folks? I often find the forum search engine can't find anything. "Nothing Found" always most of the time comes up, after which a Google pop-up window comes up with suggestions. So I often search directly using...
  12. Feral Feline

    DRIVE 55 (GrandLaff Di-Anemic overdosin’)

    [EDIT: Yeesh, I didn't even realise there's a "Drive 55" PedalPCB project or I would've named this project something else! Sorry if anyone came here thinking it was something to do with Catalinbread's Formula 55. —FF 12 July,'22] Friend of mine wanted a Landgraff Dynamic OD to see what the...
  13. Feral Feline

    TRANSFORMERS, all PPCB projects, in disguise... (& hall-of-infamous inductors)

    Made a list of all the transformer-equipped projects here, because when you search the PPCB shop for "Transformer", the only thing that comes up is the Fasel Inductor Adapter. The Simulcast and Duocast do not come up in the search, not the Mystery Machine, Conquerer nope, nor does the...
  14. Feral Feline

    Looking for Flux Pen Recommendations

    Like it or not, SMD is becoming an integral part of my build regimen. Though most of my SMD-related projects are PedalPCB, via the FV-1 pre-solder option, unfortunately BuGG can't solder all my SMD projects. Long time ago ordered a 1590A PCB for FV-1 Reverb, but vendor was out of chips. I've...
  15. Feral Feline

    OP-AMPs in the power section, what's that all about?

    I've seen many circuits that only need one op-amp, but the circuit-designer used a dual op-amp IC (or 3 op-amps in circuit using a quad IC) and then sticks the spare op-amp in the power section. Is there any benefit? Does it help regulate the power or condition it in some way? (often it goes...
  16. Feral Feline

    MXR Model 126 Flanger/Doubler

    On a bit of a Phil Lynott kick at the moment (a recurring cyclical thing); Of course, a LOT of other people used the 126 Flanger/Doubler, too. The Reticon SAD1024 are rarer than space dust falling through our atmosphere, and the Reticon R5101 chips may as well be on Mars... A work-a-like would...
  17. Feral Feline

    DOD FX33 BUZZ BOX

    I thought this was already in the Wish List, but it was mentioned in another thread somewhere else. So... official request for a Buzz Box, s'il vous plait! I've got a MFX build planned and need this one. The DOD Vibothang is part of that plan, as is the DOD FX25...
  18. Feral Feline

    Rainbows Puppies & Unicorns... Oh My!

    I keep calling it the RPU, Rainbows Puppies and Unicorns... but in fact it is the VFE RUP aka the Rainbows Unicorns and Puppies.
  19. Feral Feline

    Expressionator Yourself

    Press "PLAY" before reading this post: Express yourself! Imagine being able to do so in several ways with several effects, with one expression pedal! Couldn't afford it when Monsieur Jean Baudin first developed it on TalkBass so I missed out, and now that I'm into DIY I'd rather build than...
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