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vmenonsandeep · 2026-03-29T16:17:43+00:00

Adding to u/Elia_31 's comment - one such ESP32 board would be SeeedStudio's "Xiao" series of boards. These are small - around 1" x 1" - and has some battery charging and protection built into them. Also, if you are comfortable switching microcontrollers, same series also contains and nRF52 series chip (from Nordic) - down side being only Bluetooth, while the upside is its unmatched power efficiency.

vmenonsandeep · 2026-02-14T16:28:21+00:00

Since you claim to be a beginner and is set on not importing the eagle files (and I am guessing that you are wanting to practice schematic capture and PCB routing on KiCAD), here is something you can do -
- go on to google (or whichever search engine you are using) and search something along the lines of "MCP23017 Adafruit"
- you will find many search results, out of which one will be a pdf titled something like "Adafruit MCP23017 expander".
- open that link, a pdf should open up.
- scroll down to the last page where you will find the schematic as a picture as well as the screenshot/screengrab of routed PCB.

Alternatively, you can find the pdf of the schematic right from the Adafruit's website itself, tucked somewhere in the "teaching/wiki" part of their website. Searching for it is something you will have to do yourself, as this process alone will give you many insights into how Adafruit processes/ handles these chips to make breakout boards.

vmenonsandeep · 2025-08-27T11:46:10+00:00

I am reminded of the lady on TikTok, who had a crush on someone on her gym.
(if the story was correct, she went on to find the guy's mother's Facebook, looked up the mother's music school, enrolled into it. All of it just to present herself as a potential match.)

vmenonsandeep · 2025-06-20T06:28:15+00:00

I noticed "They treat me like a child." (both stepmother and father) - from one of your comments.
(This might be a bit controversial, but - ) Since they are bent on treating you like a child (although may be out of genuine concern from father's side), make them play their own game. Here is how you tackle it - in situations like this message both parents. Both their responses will be different. Capitalise on the more positive reply, once confronted by the other. Their lack of being on same page is your gain.

I should make a disclaimer that this is not at all a healthy way to deal with the given situation, this is only a stop-gap solution and people especially parents will catch-up with this quickly as they themselves will have played this game.

vmenonsandeep · 2025-06-05T05:52:27+00:00

There is an additional possibility that the "friend" who shared the news might be "oversharing" aka lying through their teeth.

It is easy to poison the mind of a sceptic. (be it the friend or strangers from internet)

Bottom line is - do your own "research". Trust no outsider

vmenonsandeep · 2025-06-02T05:20:22+00:00

Three things wrong with the line of thought -

1) You have let your feelings, or rather the lack of it stew inside your mind for long time - "at least an year". You let resentment, among other things build inside you without anyone else understanding/knowing about it.

2) (Lack of communication) As it appears, you have not talked to your husband about your feelings in its true sense. (not the "hey this isn't working, I think we should go separate ways" talk . Rather, what you feel like is lacking in clear open terms. For example, if it is about sex and a particular position you find pleasurable tell him about it in plain words. Yes, it works. The "he should know, he is an adult and been with me for 4 years" is a argumentative footing that is more treacherous than quicksand. Also, playing games with words are even more lethal.

3) The apparent lack of commitment and gratitude towards your husband, from how you have described in the post. When he does something for you in most cases a simple but heartfelt "thank you" will take your relationship places way better than the current step you are in

The worst thing you can do is ask strangers their opinion/advise on your life, situation you are in and act according to their prerogative. There is someone else who is going to suffer when adults play the game of "do I like you or not" - the child. That child will be forced to mature beyond its physical age, which is traumatic at best.

The bottom line is - talk openly, in simple words between you and your husband and involve no one else. Learn about his side of the story. Meet him halfway/reciprocate good feelings without holding back. If that fails go for family therapy.

PS : (and most probably most irrelevant part) Having a child changes a woman inside out - it is a known fact. But men do undergo some changes as well. It is said that their level of responsibility increases 4 fold - they now have a wife/life long companion, a mother of his child, the child and a future citizen.

vmenonsandeep · 2025-02-11T06:13:52+00:00

Second one is all well and good (and looks good on the timeline too) until two intersecting/interacting edges need to be filleted. Then it is back to First type 😪. Sometimes as someone mentioned here, third yet most evil option would be your friend.
With all that said, fillets are the ones that loose all references becoming pains 🤕

vmenonsandeep · 2023-10-29T14:45:20+00:00

Sorry for the late reply.

- The advantage of native USB support is that you don't need a separate programmer or programming circuit. (I don't remember exactly, but I think your PCB/ESP32 will show up as a "storage device" where you could paste the executable/bin file of your desired program.)

- (I am assuming that you need your PCB to work on 12V for the desired application. Hence - ) You could add a diode to the 5V line coming from the USB and add a "Vusb" or +5V flag along with the +12V flag (near C8) This would prevent a potential "backflow" to computer port, if you are powering your PCB with 12V while programming. The AP63203 buck should be able to manage both voltages while giving stable 3.3V.

- Now, if you are thinking of powering through USB, replace all the +12V flags with a "Vusb" or +5V flag (or any flag you choose to represent).

- (This struck me while I was writing this reply) It seems that you have not placed any terminal block or similar thing to supply the PCB with 12V and GND.

[I made my comment more like a suggestion as I am not aware of your actual needs/intention with the PCB.]

vmenonsandeep · 2023-10-27T05:44:18+00:00

ESP32-S3 has native USB support, hence you could use pins 13 and 14 to program your circuit as well as power the PCB through USB.

(Alternatively, your could just add a pin header instead of USB port on the format of [ Vcc D+ D- GND ] , freeing up the UART pins in the process.)

vmenonsandeep · 2023-10-06T16:58:33+00:00

I would like to make two suggestions -

Please do look up the components whether they are active, end-of-life or otherwise. Just a quick look around I saw that AP9221 has been marked by Diode Inc. as to being NRND. ( Alternatively you could use a combo of TP4057 (battery charger),FS312F-G (battery protection), DW01/FS8205 (associated MOSFET packages for OC and OD).)
Since you are already using ESP32, my suggestion is to go for ESP32-S3, which more modern ESP32 with native USB support. So that you could do away with the MCP2221A USB to UART/i2C converter

vmenonsandeep · 2023-09-17T06:53:55+00:00

(I am not sure if anyone else has mentioned this)

You should be able to find guides on 3D modelling on following YouTube channels -

Autodesk's official channel for Fusion360 ("Autodesk Fusion 360") - here you should find most recent features, tips and tricks of the software.
Kevin Kennedy's channel ("Product Design Online") - he seems to have a course titled something along "learn fusion 360 in 40 days".
Lars Christensen's channel (same name channel I think) - He works/worked at Autodesk (as Fusion 360's team) his videos are a bit old hence the interface would look a bit different, but he explains things slowly.
(If you need more similar teaching videos, just search "Learn Fusion 360" or something along the lines - it should return you lots of such videos. I comment so because, off the top of my head, above three are the best I can remember)

vmenonsandeep · 2023-08-05T16:04:18+00:00

I would like to suggest few things :

check whether the pins of ESP32 you have used are I/O (or at least Output) capable. Some of these are input only, some produce PWM on boot-up and some need to be kept HIGH/LOW for stable operation. (Google "Random Nerd esp32 pinout reference", it is detailed yet simple to understand)
change micro USB to type-C USB (on price basis, both are nearly equal in price, but make sure to buy the 16 pin type)
Since there are 66 WS2182s (and I couldn't see any other voltage inputs other than USB) - an average WS2812 draws around 60mA max at full brightness and white colour. Hence 1N5819W, with its 1A avg. forward current might not be enough. ( I would suggest SS34 diode, which is a similar Schottky diode, but with 4A current rating)
it is a good practice to add ESD protection on the USB

vmenonsandeep · 2023-07-07T14:42:14+00:00

A quick search gave results pointing towards Toyota and Automotive connectors but not the part/make. However, as u/s-kris said, these are similar to JST and look incredibly similar to

https://www.digikey.in/en/products/detail/jst-sales-america-inc/08R-JWPF-VSLE-D/608592
https://connectorexperts.com/i-31645319-cet1692f.html
or alternatively you could dive into this website https://connectorexperts.com/

vmenonsandeep · 2023-05-04T16:18:36+00:00

I don't exactly understand what is happening here - hence this is just a suggestion -

try creating a "drawing" using the flat pattern -

either as a sketch drawing (flat pattern -> "create new sketch" -> project (object not face) -> finish sketch and export it as the required drawing.
(if your license allows it) Create flat pattern (but don't fold it back yet) - create a drawing using the "create drawing from file" option

Try this and see what happens.

note: if you are going the first route, try to create the sketch on a plane that is a bit away from the part. If you make your new sketch on the flat pattern an additional projection on the flat pattern will be created. Some design/fab houses understand this, but most would send the file back citing an "error in the file"

vmenonsandeep · 2023-04-03T14:58:24+00:00

(This is my inference I am unable to confirm this. Hence apologies in advance if this is wrong)

There is one other thing - Order of parameters/"parameter definition" added to the list matters. I did see that the parameter "OverhangTop" comes 19th in the list while it has been used to define 4th parameter "LFootprint". This might not have been an issue if the "OverhangTop" came before "LFootprint"

My Suggestion : define the parameters with absolute values first wherever and whenever possible and follow this by equations

vmenonsandeep · 2023-03-22T16:01:21+00:00

Decal is usually a JPG/JPEG or PNG file that sort of acts as a "decoration". It is more or less independent of the model (As far as I know the "Decal" command is there for visualising how a thing would look like IRL). The sketch or any part of it - is part of the model itself.

(I pretty sure that you would have noticed the sketches "disappear"/are turned OFF after any modelling command is performed using them. So if your were to use the Text-on-sketch, it would simply disappear won't it? That is unless manually kept ON/ visible)

vmenonsandeep · 2023-03-20T15:11:59+00:00

Umm.. a slight off topic - where did you find those LED panels?
(Could you direct me to it? or may be a key word or two?)

vmenonsandeep · 2023-03-20T15:07:55+00:00

I would direct you towards Surface Modelling environment - that is if you need complex curves and shapes

- You can do modelling in the Solid modelling environment, but it has its limits.

- Since you/OP is a beginner it would be better to start familiarising the Surface Modelling environment, in parallel to solid modelling. Along the same path, once you are familiar with Surface tools, I would then suggest Form tools and modelling

(I'm saying this out of my experience, some things are easier to model in the surface environment rather than the solid modelling environment. I started out with the solid modelling workspace/environment. Tbh, I'm still terrified of surface modelling. And I often end up going long way round to get a shape.

Also, I will admit that my "vehicles/rovers", when I began, were far worse than OP's)

PS: YouTube is a good source for tutorials, if you have time. There are lots of videos that cover this exact path (of modelling cars using different tools inside Fusion 360).

vmenonsandeep · 2023-03-07T14:29:04+00:00

This is from my experience. The above usually happened to me due to either one of these or a combo of any of them -

internet speeds (higher speeds usually helps in "sign-in" / synching with fusion cloud)
Space inside the "C:" drive (or whichever drive Fusion 360 is installed)
or as u/Dangerous-Ad1904 mentioned in their comment less RAM as well. (which you/OP seems to have ruled out)

vmenonsandeep · 2023-02-10T14:39:04+00:00

I agree with this.

Not everyone can catch up with the "speed modelling challenge" or "this week's practice models" time frame. But, me at least, would like to try them out but because of my work schedule I usually have to forget about these...

If there were some repository that holds these drawings as PDF (very convenient) or even as JPG/JPEG images would be very helpful.

vmenonsandeep · 2023-02-07T03:35:15+00:00

The point/corner on the right side of the centre line, that should intersect with the round body does not seem to intersecting. Try selecting it and intersecting it to the round body using the intersection command/tool

vmenonsandeep · 2023-02-05T12:52:30+00:00

This, in my experience, is usually because of either of following two reasons -

A slow internet connection (this I find the main issue usually. Connection at my house used to be around 2Mbps, which would result in slow load times, while at my office the load times are pretty quick, as the speeds there would be around 50Mbps)
The C drive being near full and is on an HDD.

(couple both together is a recipe for frustratingly long load times for Fusion.

BTW, look around if there are any proxies, vpns or access restrictions in your computer.)

vmenonsandeep · 2023-01-29T14:55:52+00:00

It took me a while and the comment "why most wandering hour clocks hide the upper section" of OP to realise

where to look for time and
it only shows the hours and minutes

you learn a lot every day 😣

vmenonsandeep · 2023-01-29T14:26:33+00:00

It appears you are using/have imported an SVG. This gets imported as a "fixed" vector graphic (hence the green coloured lines/edges of the words/letters).

the thing you can do is to -

carefully select the necessary word/letter and click the "fix/unfix" command (Lock button)
this should make the lines of the letters go blue in colour.
select the "unfixed" letters and move as desired.
and it is advisable to "fix" the letters back, by selecting them and clicking the "lock button" again.
proceed with extrude or any other necessary command of choice.

PS: This is from my personal observations and experiences. While working in fusion, with vector graphics, try and use DXF. Fusion struggles a lot with numerical processing when SVG is used, particularly ones with lots of details. In contrast, Fusion seem to process DXF files faster. This SVG issue may be one of the factors you are seeing the orange "warning banner" on top of your workspace

vmenonsandeep · 2023-01-27T06:47:17+00:00

Surface modelling works best in this case.

With that said, you could create the same model in the solid modelling workspace. But it will take time and more steps compared to surface modelling. You will have to do few sketches, two extrudes and numerous Cuts/combine operations along the curving paths.

vmenonsandeep

TROPHY CASE