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I don't have the same definition of stacked and staggered as JLCPCB.
:wink:

9664

My plan was to keep the resistors and accelerator chip right up against the PIC.

I don't recall seeing location requirements, but I wasn't looking for that info last night either.

Thanks, that's what I was hoping.

Just checked and JLCPCB doesn't have any in stock. They don't have any other I2C accelerator chips (that I can see). Now I understand the gripes on the...

The graph at the bottom of page 1 of the LTC4311 shows a total rise-time of about 1uS.

https://www.analog.com/media/en/technical-documentation/data-sheets/4311fa.pdf

Would a LTC4311 be enough...

What do you mean by active pull-ups? I couldn't see a meaningful description on google.

I'm not using weak internals, I'm using 4K7 externals.


EDIT: ... aaaaaand .......


This pops up...

If you keep messing up the "comma-separated" file prep like I do (the SAVE feature from Open Office is not smooth), consider using a script if you are I.S. savvy.

This is what I do to prepare PCBs...

I did not know that.

I don't want unnecessary fumes in my workarea. Not just for me, but also for any plastics or synthetic materials.

I had stored a really nice set of speakers under my...

I was originally planning on making 2 sets of MCP23017 circuits; 1 for input with debounce, 1 for output. But even with JLCPCB it comes out to $1 / PCB. I'd like to lower my cost more, and not have...

Yeah, I've done some light hand tests using new parts; Dupont cable clip and header pin, that clip is relatively firmly secured.

It's mostly to prevent any problems during shipping.

This is for...

Have you ever used Loctite to secure a Dupont socket onto a header pin?


My initial plan was to do like many and use hotglue, but this particular situation requires a liquid that's less "thick",...

Sorry, I took a break for a few years and didn't see this post.

At first glance, your grid does look functionally like my leaning pyramid.

It's weird, your design looks more confusing to me. :D

Yup, you can pre-buy parts from suppliers by JLCPCB.


Pre-order the required components in advance to ensure sufficient components are ready anytime.

Place a PCBA order with confidence at any...

I was checking prices on JLCPCB for a MCP23017 circuit, and I noticed something when I entered their part numbers.

Did you know you can buy parts from other customers when JLCPCB doesn't have...

Thanks, I'll keep that one in mind if I ever try to simulate a circuit again. :D


I had tried using that PWM board (FR120N, LR7843, D4184), but it the COB LED wouldn't completely turn off and I...

Yeah ... too good to be true. :(


Problems quickly arise when you want to test using parts off amazon or aliexpress. They rarely have manufacturer names, so getting matching spice models is a...

I gotta say, I was able to get a simulation running with just a few clicks.

9661

Just a clarification, KiCad uses ngspice.

Turns out KiCad has a few "features" that you quickly pick up on when you read about spice:

- as mentionned previously, you're expected to import...

Nope, not yet.


I spent a few minutes last night trying to get SPICE working in KiCad and ended up on google. It turns out they have some generic devices, but you're meant to download the SPICE...

I just discovered this online tool.

https://www.circuitlab.com/


I just completed the first lesson as I was watching the video and I'm really impressed. So far it seems to be free.
...

That's always an option, but it's a slower mechanism.

And I still have the issue of having sufficient torque to activate the switch. The motor has a stroke length, but no mention of force.
...

I need to override the switch position in software. MSFS will disable one of those leftmost yellow switches under a certain circumstance.

My first idea was to use momentary switches, and have an...

I've never used those types of switches before. Do you have a link?

I need a latching pushbutton switch to simulate these controls. They have to remain down when pressed ON, and pop out when...

One of the suppliers that had quoted me for that switch with the red shaft has a model with 100gf to operate. The model I am testing now uses 330gf.

It would be easier to use that switch cause I...

So I have a need to override a pushbutton (from ON to OFF) and came up with this concept; a solenoid piggyback on a pushbutton switch with a 3D printed cap held by a strand of wire.
...

JLCPCB: created my ZIP on April 10th, received today on April 16th via DHL courrier.