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Re:Towards a “PCB Drone” – Making a PCB Motor which reaches ... by benj111 on Sunday June 25, 2023 @04:25PM (#36472242)
> but there's just something undeniably cool about hardware

Personally I just like going lower level. I like Ben Eater making whatever out of a few chips. I've set my line at asm else I'd just end up making a whole computer out of transistors or sand.

Re:Towards a “PCB Drone” – Making a PCB Motor which reaches ... by narrator on Sunday June 25, 2023 @06:29PM (#36473317)
Analog engineering is really difficult because you need to solve differential equations that Wolfram is unable to solve. Most designs were made by very smart people in the 50s at RCA as far as I can tell. Please tell me about how wrong I am. I admit the analog circuit engineering world has looked totally unapproachable to me even as a reasonably competent working computer scientist.
Re:Towards a “PCB Drone” – Making a PCB Motor which reaches ... by adgjlsfhk1 on Monday June 26, 2023 @12:11AM (#36475653)
the good news is you don't need exact solutions and there are pretty robust tools for numerical diffeq solving now. the best are Julia's ecosystem, but sundials is pretty decent also.
Re:Towards a “PCB Drone” – Making a PCB Motor which reaches ... by CamperBob2 on Monday June 26, 2023 @02:21AM (#36476356)
"LTSpice is all you need," in the vernacular of the times.
Re:Towards a “PCB Drone” – Making a PCB Motor which reaches ... by mindentropy on Monday June 26, 2023 @03:02PM (#36484270)
>Most designs were made by very smart people in the 50s at RCA as far as I can tell.

I am very interested to know this. Do you have any resources on this development work done by RCA and how it has shaped the modern world?

Re:Towards a “PCB Drone” – Making a PCB Motor which reaches ... by narrator on Monday June 26, 2023 @05:50PM (#36486342)
When I was looking at catalogs of various analog circuit designs, a lot of them were circuits RCA patented that now are public domain because the patents are now expired. They probably aren't the only ones, but they certainly contributed a lot.

https://patents.google.com/?q=(analog+circuit)&assignee=rca&...

Re:Towards a “PCB Drone” – Making a PCB Motor which reaches ... by eternityforest on Monday June 26, 2023 @08:01PM (#36487466)
Something like making a new audio amplifier is pretty specialized, but you don't need any advanced math (Not even algebra) for some of it. As long as you're still pretty much thinking time domain and you don't need to calculate frequency responses and RF stuff there's lots to do.

But then again my only analog experience is just IO stuff for digital, I've never done anything interesting in pure analog, I think if you're a real analog enthusiast you might get bored of what you can do without math.

Re:Towards a “PCB Drone” – Making a PCB Motor which reaches ... by pretendgeneer on Sunday June 25, 2023 @07:18PM (#36473663)
You'd love Sam Zeloff http://sam.zeloof.xyz/ he makes DIY transistors
Re:Towards a “PCB Drone” – Making a PCB Motor which reaches ... by nickelpro on Sunday June 25, 2023 @08:55PM (#36474359)
I find Sam a little too dismissive sometimes. He has relatively wealthy parents who let him convert a garage into a home fab, and talks about dropping $30k on a second hand ESM like it's no big deal.

Don't get me wrong, he's a genius, but everytime he transitions into "anyone can do this stuff!" It rubs me the wrong way

Re:Towards a “PCB Drone” – Making a PCB Motor which reaches ... by fukpaywalls2 on Sunday June 25, 2023 @11:20PM (#36475368)
Your comment reminds me of those woodshop youtubers with clickbait titles like "diy your own coffee table for only $50", only to find they are using about 10K or more of shop equipment.
Re:Towards a “PCB Drone” – Making a PCB Motor which reaches ... by earleybird on Monday June 26, 2023 @02:06AM (#36476261)
And then there's New Yankee Workshop "and now let's go over to the xyz machine for <next-step>".
Re:Towards a “PCB Drone” – Making a PCB Motor which reaches ... by mindentropy on Monday June 26, 2023 @08:46AM (#36479033)
> He has relatively wealthy parents who let him convert a garage into a home fab, and talks about dropping $30k on a second hand ESM like it's no big deal.

The envy I feel when I see these guys with such equipment is enormous. I really would love so much to have a loaded electronics work bench especially oscilloscopes, LAs etc. and of course the time to actually play with it. :-(

Re:Towards a “PCB Drone” – Making a PCB Motor which reaches ... by all2 on Monday June 26, 2023 @04:19PM (#36485252)
Check if you've got a local hackerspace! There are a lot of good ones out there. By and large you will find excellent people who want to enable you to do amazing things.
Re:Towards a “PCB Drone” – Making a PCB Motor which reaches ... by nunuvit on Monday June 26, 2023 @03:57PM (#36484973)
He spends an order of magnitude more than necessary for convenience.