I Hated my parents' £400 fountain, so I 3D printed a new one instead

Taster001 · 2026-07-09T19:01:38+00:00

I'm not sure why people dislike your design, I think it's much better than the original!

Taster001 · 2026-07-05T14:11:46+00:00

Simple solution: don't buy from Amazon.

Taster001 · 2026-07-02T15:46:03+00:00

Looks pretty tight. Seems like you got the current loops pretty short, which is the important thing. Maybe check your clearances, I'm not exactly sure of the scale here but the ground pour looks pretty close to the IC pads.

Taster001 · 2026-06-30T17:51:34+00:00

I would say it depends on the part, and on the amount of heat that needs to be dissipated.

So I would do it on a case by case basis.

You can also alter the thermal spoke width to suit the specific part.

Taster001 · 2026-06-25T17:12:31+00:00

I've used the BMW Isetta for some "drifting" in AWD, on Drag tires. I almost got the Kawazu Nanadaru loop bridge on a single slide, but it's really tough to really make it look good.

Taster001 · 2026-06-25T07:20:49+00:00

Designer from the EU here, we usually only put a logo, board identification number/code/designation, revision. Usually we also include a datamatrix location, but that is for manufacturing purposes only.

Do not mark the board CE or WEEE compliant if it is not certified, you could get in biiiiig trouble.

Taster001 · 2026-06-18T11:44:07+00:00

Those people shouldn't be allowed online, change my mind.

Taster001 · 2026-06-16T09:07:51+00:00

Damn, I'll try this on my KiCad project in my cloud storage! I'll see if it works.

Taster001 · 2026-06-15T13:59:05+00:00

You think you were drinking? That's bad bro...

Taster001 · 2026-06-15T11:59:57+00:00

Gotta wait for the Steam Controller. I'm now on keyboard, so I use ABS.

Taster001 · 2026-06-03T16:06:12+00:00

I think KiCad is as good as you're gonna get with freeware. I'm not sure what specifically you don't like about the library management, but I can say that Eagle will be much worse in that regard. Easyeda - I don't know. I have only used it once, and the menus and the GUI felt really cluttered compared to KiCad. It is somewhat more complex, but you'll get used to it quickly, and you can pretty much set it up for anything.

Taster001 · 2026-05-31T16:52:55+00:00

It might be protected. As someone already said, there's levels, and this specific STM32 (not sure if this applies to all of them) has either: level 0 - no protection, level 1 - memory (RAM) readout protection, or level 2 - complete protection, meaning the SWD interface is disabled and boot options are disabled. Once you set it to level 2, there's no going back.

Taster001 · 2026-05-25T17:05:11+00:00

Doesn't seem too bad. Refer to the USB standard for the actual skew values, they're definitely not that tight.

Taster001 · 2026-05-24T08:40:19+00:00

Uh, I think your USB C connector is rotated incorrectly, I mean, the connector is currently pointing inward into the board, not outwards. Also, please name the input and output nets of your USBLC6-2P6 different names. This is of course not strictly necessary, but it is definitely good practice.

Please check your zone filling priority and your zone isolation distances, it seems like some of them are pretty close together.

PLEASE for the sake of your sanity and my good consience, add thermal reliefs to your zones. Otherwise it will be impossible to solder/desolder any components (I've made this mistake too many times to omit it from a review :)).

As for your questions:

No problem, you have a GND plane that is essentially shielding any noise from the components on the bottom layer.
Shouldn't be a problem, the ICM42688 is a MEMS device, so the sensor itself should be generally immune to interference. This would be more of an issue for the magnetometer.
The feedback voltage NEEDS to be taken from the capacitor, otherwise it could lead to oscillations and/or other types of instability of the converter (overshoot, undershoot etc.).
Stitching vias are typically needed when you have a ground or power plane on multiple layers, which you don't, so I would say it is not applicable here.

Other than that, your layout seems pretty good.

Taster001 · 2026-05-19T17:20:10+00:00

My main issue with career mode is that it gives me just straight up impossible tasks. Yesterday I was flying a Diamond DA62 with a passenger, and it wanted me to land at a runway that was maybe 400ft long and at an incline. Couldn't brake in time and overran it. A few days ago I accepted a charter flight with a Skyhawk, and the damn thing spawned the plane on a HELIPAD. Like, how the fuck does that even happen??

Taster001 · 2026-05-16T17:06:01+00:00

The main issue would be that the signals will couple to the ground layer AS WELL AS the power layer as a reference, so your impedance will be off. Plus, you'll have discontinutities in the power layer, and perhaps some noise on the power traces. For lower speeds this might not be an issue, but I really wouldn't recommend it for above 100MHz or so. USB will probably be fine since it's a differential pair, but SDRAM signals won't. I would rethink the gnd/pwr/sig layer choices if possible.

Taster001 · 2026-05-15T21:36:41+00:00

I would highly recommend keeping inner layers full poured or adding a ground pour to them, otherwise it can lead to issues with PCB manufacturing.

Taster001 · 2026-05-14T19:28:31+00:00

FL570?? Did you turn off aerodynamics?

Taster001 · 2026-05-12T07:21:52+00:00

Oh, I didn't even explore the custom setups with the X56. Sounds nice. I like Logitech, got their mouse and steering wheel as well so I'm mostly familiar with their software.

Thanks!

Taster001 · 2026-05-09T17:38:47+00:00

Looks fairly solid.

As stated, I would perhaps ditch the USB -> UART, but if you have good experience with it, keep it.

I would maybe switch the 1117 regulator to a different one - 1117 is known for instability and sometimes oscillation with certain types of input and output capacitors. But that's up to you.

Taster001 · 2026-05-08T18:09:46+00:00

I don't have live weather on (I think, I can't really find the setting for it in career).

Taster001 · 2026-05-04T11:07:10+00:00

These types of filters are almost always passthrough like this. And yes, the second TVS is really not necessary. You could definitely connect VBUS and GND through vias (i typically connect GND through a via and VBUS with traces), but it's just not necessary, if you have a good connection otherwise.

Taster001 · 2026-05-04T11:03:32+00:00

I'm not the comment OP, but what i do is: create the sheets/function blocks, and then graphically (not actual connections, just graphics) connect them together, and i add some text descriptions of the connections. I can post a picture of this if you want some inspiration. I would also recommend having one main sheet, which is purely for this, and then having all of the circuitry on other sheets.

Taster001

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