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  1. K

    Troubleshooting a Superheterodyne Receiver. What symptoms would I expect to hear if I didn't use the right type 2 on/on/on DPDT switch?

    I'll admit that this is my own PCB layout, but I noticed that everything works great except for the -2 on the Main Oscillator Root which sounds exactly like -1. This is the one component i was worried about because it's hard to nail down the Type 2 switch, but I did find someone on this forum...
  2. K

    Does the silkscreen pattern under the 1PDT have any mechanical meaning (traces etc below it)?

    I know it's a dumb question, but I'm setting up to route a 1P8T for the first time, and noticed that the footprint used on PedalPCB boards has this intricate (read satanic) silkscreen pattern under it, is this just for illustrative purposes or does it reference any kind of required (or...
  3. K

    I built a GE-7 clone based on this schematic, but the volume isn't unity at 50% of volume pot, it's near unity (not quite) at 100% volume pot?

    Here's the schematic, I'm wondering if any bright minds have ideas on where i should start with troubleshooting this, I've used the same ICs as recommended in the schematic https://effectslayouts.com/wp-content/uploads/2023/05/Prismatic-EQ-Build-Doc.pdf
  4. K

    Have a couple questions about this idea I'm breadboarding (BMP into an active EQ)

    Here's the schematic attached as a PDF, as you can see, the EQ (EarthQuaker Tone Job), has a buffer before and after the tone network, I'm wondering 1. Should this buffer be moved before the clipping stage of the BMP? If so, where should it go in relation to the input resistor and capacitor...
  5. K

    Trying to understand whats happening in this Tone Job pedal

    Trying to level up here https://docs.pedalpcb.com/project/BoxAndAll-PedalPCB.pdf Looking at the input and output buffers, what is the role of R2 and R11 coming from the voltage divider in the power section? Why connect the input to VREF like that when the op amp is powered by pin 8 already?
  6. K

    Here's how to show what "setting" you're on based on LED tally pattern, (bonus knob to encoder util included)

    Hello! Watch the video for a proper demo, but here's two very helpful utils that I've created. The first being LedOptionIndicator while(1) { int rotary_position = GetRotaryPosition(knob1); LedOptionIndicator(led2, rotary_position); System::Delay(1); }...
  7. K

    SOLVED I think this op amp is broken, looking for a sense check (mp3 files included)

    I'm probing this op amp Pin 3 is a clear signal Pin 1 however is glitched and horrific, this is the sound i basically get from the other end of the pedal (once it passes thorugh) This op amp is cooked right?
  8. K

    Right, so my Daisy Seed doesn't output any sound. More info inside.

    I've built the Terrarium, and managed to get the Blink example working, environment all set up (this part isn't alien to me, i am a dev by trade). I've also managed to control the LEDs with switches correctly and all seems to work okay in that area. You'll see it in the below script. However...
  9. K

    Can someone help me understand the lugs on this input/output jack?

    I think I've wired them up wrong by assuming the tip lugs were both the signal, I can't read this datasheet though
  10. K

    I'm looking to build the Stone Age Distortion (Skeleton Key), but I realised I only have 1.6M resistors on hand, would it make much difference here?

    There's four of them in this circuit, https://docs.pedalpcb.com/project/StoneAgeDistortion-PedalPCB.pdf How much difference do you think that would make?
  11. K

    PSA: Buy the right pin sockets 🤣

    I soldered them into the board before noticing that the header pins don’t fit. This’ll have to do!
  12. K

    Biasing a Benson Preamp

    Hey everyone, I'm about to attempt to build a Benson Preamp with veroboard using SMD J201s. Their docs call for the builder to bias it as per PedalPCB instructions. However I notice that the veroboard was designed and uploaded months before PedalPCB released a new revision. I guess my...
  13. K

    I built a veroboard search engine 😅

    So I've done a few PedalPCBs, however they take 40+ days to get to my country, so I delved a bit into veroboard. One thing I didn't expect was that the two main sites to browse layouts were both blogspot sites spanning decades (and thank the lord for them). However, I battled to actually browse...
  14. K

    I'm unsure if my questions about a green russian veroboard should go in Troubleshooting, so I'm linking it here. Anyone here able to help me out?

    I have two questions I'm looking for help with here: https://forum.pedalpcb.com/threads/can-someone-please-help-with-this-old-green-russian-veroboard-need-someone-who-has-circuit-understanding-%F0%9F%98%85.17639/
  15. K

    Can someone please help with this old Green Russian veroboard? Need someone who has circuit understanding 😅

    Sheesh, okay so here goes. I wanted to build a green russian but opted for an alternative layout because I don't have the right cut of veroboard for the bigger one. Here's the schematic, following this diagram is two questions I need help with So i have two questions 1. Can someone please...
  16. K

    So… true bypass is a tone suck on all my pedals? (Audio example included)

    So I’ve always been under the impression that true bypass was mean to completely bypass the circuit, but what do you think is going on here? Please watch the video and any explanation or clarification will be great for me to learn
  17. K

    Muffin Fuzz (Triangle)

    So this is my second build, I’ve since realised that I can’t just assume box caps, Aion helpfully mentions them in the build notes and didn’t think to check. Also first attempt at enclosure graphics, it’s a high quality gloss sticker that I learned a few “don’t do that again” aspects of the...
  18. K

    I have a few 2N5088 on hand, a pedal calls for a 2N5087. Is it a bad idea to use it instead?

    The pedal is a clone of a Boss HM-2, Because one is NPN and the other PNP, should I install the 2N5088 backwards to how the doc says the 2N5087 should go?
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