@AlmostDone You mean some of those "how do I switch a relay from a cell phone" questions?

@ThePhoton ah, wrong timeframe, silly me, but spoilers, it will be invented and it will suck

I wonder why this DAC box does this on one computer but not on another...

The S&H cuts out, due to high-frequency variance in supply voltage --> due to poor quality bypass electrolytics STILL being made with the "stolen" recipe --> greed. It all boils down to greed.

???

@rdtsc S&H?

its tony, get over it

Hm, it kinda looks like these gaps are there for exactly 256 samples o_O

yeah, I know... I shouldn't even have written that first comment to begin with. I don't know what I expected. It's funny, though "wannabe experts", "a disgrace to the profession"... I'm no expert, I don't want to become one, and I'm not even an EE, but it seems he can't aknowledge that fact that some people are rather happy with being nobodies. You have to wish being exceptional... Well...

his main problem is that he can't see that he is unable to communicate properly to people not thinking exactly as him. If he would learn that, he would be a really good contributor, but throwing out answers that you can read only when you already know what is going on is not that much helpful

anyways I am really wondering why that dac box does thee things... under linux it doesn't do that but produces other noises instead...

design problem? or just a buggy unit? so send it back and get something new, or send it back and get a replacement...

which DAC box is it?

a shenzen sabaj d3

@dim lol

@PlasmaHH Good point

When creating a flash binary file for a NOR Flash chip, what is the thing that is referred to as "blob", which takes from 0x000 0xFFF ?

I have searched for it a lot, but apparently I am searching the wrong places

@abdullahkahraman blob is often backronymed to binary large object, which means "anything binary"

There is this LCD interfacing chip called BT81x. It is the newer version of FT81x from FTDI, if you are familiar with it. Anyways, this chip has a NOR Flash interface so you can flash your NOR flash and it will read the data from the flash chip and your micro will not need to send the image/font/sound files to it.

Now, you can add your asset files to the .bin file to be generated. But, you have to add a "blob", too.

In the User Guide of this program it says:

> User can specific blob file or it will use default blob file stored at installation directory.

@PlasmaHH But what confuses me is that there a "Binary" file and there is also a "Blob" file

@abdullahkahraman binary in this context often refers to executables

What I understand is that binary is after address 0xFFF and before that there is our blob

	00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
000000	70 DF FB 92 1E 01 00 00 E8 A6 30 00 18 01 10 00 p.........0.....
000010	00 00 F8 DA 4A A7 2A FF FF FF FF FF FF FF FF FF ....J.*.........
000020	FF FF 40 80 8D 72 62 72 5B 36 68 40 94 32 F1 33 [email protected][[email protected]
000030	FB 33 87 33 38 36 7E 3F 80 72 24 90 00 DB 70 C0 .3.386~?.r$...p.
000040	00 CC 80 80 27 40 A0 FF 24 90 00 DB 70 C0 00 CC ....'@..$...p...
000050	00 80 11 C0 14 80 03 D1 91 76 40 80 03 C2 11 C7 .........v@.....
000060	96 FF 10 40 A2 3F C7 80 87 72 51 74 82 32 68 40 ...@.?...rQt.2h@

Here is unified.blob

I am so puzzled

config data maybe? a compressed icon for your browser? who knows...

I will jump off of a bridge when these Asian chips have a decent documentation

what do you expect for 3¢ per chip? ;)

hahahhaha

This is actually a chip that is $5 which sells on Mouser.. They are quite serious as this chip's rights was bought from FTDI

btw I am curious what Daves will do after the blinky :D

I've sent an e-mail to their tech in UK

I just wanted to give this guy a shout-out

youtube.com/channel/UCyvEhS4tRYUQ3Z9VaemfOKQ

I really hate those programming tutorial videos, the information density is just so low...

@PlasmaHH Exactly

I am a lazy guy myself, I watch those videos to trick myself that I am doing something useful :P

@abdullahkahraman I typically read a lot of hex for our products. Typically, I verify the FRU making sure the product can identify itself. A lot of the time, 0xFF can indicate there's an absence of a file header.

So ask Mouser if they have a FRU table for that particular device. From there, you might have to look at the spec sheet on how you can read and write on the I2C bus that displays the FRU.

Typically, programming a FRU is extremely difficult. The manufacturers are usually the only ones who can burn a FRU. Although, I've asked our manufacturers once on how I could do this myself since they forgot to put it on for one of our prototypes. There's a very long process haha and I don't recommend doing it yourself.

@dim You're a saint for trying. Again, this is why I'm in favor of anonymous downvotes - all that's left is an angry person shouting into the void.

@PlasmaHH Jeezus I can't imagine consumer electronics trying to do 25 or 40 Gbps. It's going to be a mess (I'm guessing it will have to be done with some complex modulation scheme at 10 Gbaud or lower)

@ThePhoton hey there!

@dim I've done the exact same thing, and regretted it. I figured out later that it is easier to post another answer. I may not be the best person to answer, but a pointer to a document that has the answer is better than arguing. And, doing that sometimes calls the question to the attention of some one who can provide a good answer.

@jre @dim I think you shouldn't feel ashamed. Typically people who get angry at such criticism (especially in text) is usually an indication that they know they're wrong but don't want to admit it.

If anything, he's making himself look foolish. You didn't do anything wrong.

@W5VO Thanks. And I agree for the anonymous downvotes. But I had a similar exchange with him a few month ago, which actually did not end that bad (this one: electronics.stackexchange.com/a/386883/107479). So I thought it could be constructive... Well, this time it wasn't, but it doesn't matter, and I'll leave him alone. But now I see he has been suspended? Was it because of this? If it is, I'm a bit embarrassed, though. I haven't been offended by what he said or anything.

@KingDuken Don't worry, I'm not ashamed, and I don't have regrets for my comments on the post. This kind of discussion on the internet can't really affect me, you gotta try really hard for that. The thing I could eventually have regrets for is having brought that here, though, if that is the cause of his suspension.

@JRE, I'm curious, why did you say you regretted it? Because he replied with some rude things? As KingDunken said, you shouldn't worry about that.

Nope. It turns into a waste of time and effort that doesn't do any good. Back and forth trying to get through to someone whose receiver seems to be shut off.

@JRE Ah, I understand, then. Well, you're right, and that's why I quickly quit the discussion.

@ThePhoton 10gbit Ethernet uses pam16 and some other stuff in think, for shorter cables you can imagine pushing it further

Never mind, it's not as late as I thought

@PlasmaHH I dunno about 10 GbE copper, but 100 GbE optical is using PAM4 with error correcting codes. I just don't see working well at the price point of USB.

Fiber optic USB, though, might be good for my job security.