How to ID a Mystery Microcontroller 

This is true, & it can also depend not only on your location, but on your state, providence, & country as well.

I got it on first hit by using lqfp44 as the X post listed. Not qfp44 and not tqfp44.

Location, past searching etc all play a part in returned results and the order they are given 👍

I've had this. Both my wife and myself searching the same thing on Bing. She on her laptop and me on my PC at the same time, in the same room with the same router connected to the internet. Totally different searches come up. Happens with Amazon searches too!

Once I saw an interview with someone from Google and he stated that they use at least 27 "signals" for a search. That's why there's no two equal search results.

True, but you can’t move VPP, so the measurement rules.

Wrong silkprint might cause another disaster, if SMT factory follow the silkprint to mount the components without notification

​@@mosquito520eh, it's worth the risk of protecting the precious bizniz zecretz

@@mosquito520do they even follow silkscreen? Apart from fiducial marks of course. Kinda figured theses days silkscreen is practically just for the engineers/designers.

It will confuse the hell out of the guy programming the AOI machine... And the guy programming the pick and place machine... After all, the standardisation in the industry, while better now than 5 years ago, is still a mess of different proprietary methods declared as standard. Production line engineers do assume every data packet that reaches their desk is faulty, and that's how many faults are found before mass production. And they have to check the data sheets of the components anyway to make sure the zero position in the reel is according to standard (and which standard). This is why the first time you produce a new version of a design, they'll tack on "one-time engineering cost". I've had a production batch saved by the sharp eyes of a production engineer, when I changed the pin numbering of a from-ECAD-provided library diode component to match IPC standard (which it didn't by default), but forgot to change the silkscreen. So the production engineer at the assembly house asked "what is this shit, your silk and your assembly documentation don't match" and I was like "oh shit" and then realized I'd also forgotten to change the numbers on the matching pins on the schematic (because of course the matching library symbol came with pin numbers hidden so it didn't get caught in review), so all my diodes would have been backwards if they didn't check it. (this was rev 2 of the board, and the diode part number (and footprint) change was one of the few needed changes, with no functional schematic changes, so the schematic was considered sound and didn't go through the full review. Which wouldn't have caught it because at the time, there was no point in the review procedure that said "verify that the diode symbol is actually standard". It's excuses, basically, but it also demonstrates well the Swiss cheese model of failures)

I was thinking that maybe Barsteward meant the 2nd results page of the Google search.

Is there an engine that only searches datasheets and whatnot, but does so better then google and other general purpose pseudo-SEs ? Kinda like Lexis-Nexis but for engineers instead of lawyers

On top of that, it supports regex! So you can actually filter it out to give you just the 44 pin micros. For example, the regex -44(\(.*x.*\))?$ gives me all the 44 pin packages, except for the irregular LCC(J-44-LEAD).

@@GRBtutorials Truly legendary buddy.

YAS!

Seconding this.

LadyAda is really good on her vids to explain how to search electronic components

@@TradieTrev Limor ((Fried)), cringe. They rip off other designs, overprice baby's first project as a "module" and pretend to be geniuses. Typical IP theft and usury, given their figurehead.

I'd be interested to learn where Bar is located (that search result is from a Chinese domain). I'm in the US and I get the same results as Dave when searching Google. DDG and Bing both find it, though.

@@stanthesnail coz they change search results based on what youve searched before and other info they have gained on you.... ...it may show up as 2nd result if youre not logged into google/chrome etc

​​​@@WacKEDmaNSorry, I updated my reply shortly after posting. I understand they do that to bump up advertisers and to "customize your experience" but it's not just in a different order, it's not there at all. I think it has to do with the fact that the result is from a Chinese domain and also from a non-English website. I thought there was an "English results only" filter but I don't see it anymore (could be because I'm on mobile).

I always use duck duck go for searches - it came up as 2nd result for me. I have my DDG search country set as Ireland.

​@@TonyJewell0same for me, and it also came up as the 2nd result for me too. Came here to say this but everyone already figured it out 😄

I can confirm it. "qfp44" not showing right result. With "lqfp44" goolge gives correct answer at the top.

Yes, I had the same results after noticing the guys first post said LQFP44 even though his search expression only showed QFP44.

Since ChatGPT gave me three different values for PI in a simple calculation, I stopped using it.

​@@RobsonWilliam82Don't use LLMs for calculations xD

What's really surprising is that in this case, it didn't hallucinate the Vpp on pin 1 detail like it normally does. It actually found some reference material claiming that modern PICs have Vpp on pin 1. The reference material was apparently wrong, but that's pretty amazing IMO. As always, verify every single thing it spits back, but LLMs are still making leaps and bounds of progress. What'll this look like in 5 years?

ChatGPT is like that one dude in your class who acts like he knows everything and always talks a lot with a lot of technical jargon to confuse you, but when you actually check what he told you, you find out that he's pulling all that stuff out of his rear end and just acts smart :J

@@RobsonWilliam82 That is like not using a hammer because you can not use it to screw or solder. ChatGPT has a ton of extremely good usecases. If you want it to give you pi, just let it write code to do that and you get arbitrary precision beyond any normal calculator. It can even run the code directly without you having to do anything at all. In any case, give it a few more years and all the specific specs of everything could be in a database and automatically fetched to give an extremely good search result.

that works

A plastic package is to expensive. Epoxy is cheap and the bond wires probably too

For most types of packages, chips are wirebonded to leadframe of package anyway. So there is room for cost saving in all those others operations with individial chips and their storage. But it of course makes sense only when dealing with whole wafers with possible thousands of chips.

Hard to beat crowd sourcing.

www.google.com/search?q=lqfp44+%22vpp%22+%22p54%22+filetype%3Apdf

What's worse, "-" seems to be discontinued too, so you cannot exclude unwanted results. Example: You're looking for a classic PCI pinout, and you get PCI-Express flooding your results. You try "-express -pcie", and you just get more PCI-Express results instead of less :P Best Search Engine In The Wold My Arse! :P

How do you exclude?

Yep, same here (EU NL) must be down the drain search down under 😂

Copied and pasted this, first result. Couldn't find it otherwise.

Yes, second link

There's nothing to scratch, it's a gloptop.

Anthropomorphism is an effective way to analogize something that would be otherwise difficult or tedious to explain.

@@smearfo5612 Anthropomorphism is used in religion to project living attributes to dead objects so if you do your in deep troubles.

@@smearfo5612 Anthropomorphism is in "religion" used to project living thinking attributes to an otherwise dead object and if you have the need to use that to describe AI your in deep trouble and dont understand how a brain functions on a biological level which is not a state machine based on logic level flipping. Most AI patents are described and are filed as a "logic" function.

44 I mean.