bartlettD

7 ms·

1.
by bartlettD 8mo ago
I'd CNC machine that part, which is much more expensive in-quantity than the casting option but for a handful of prototypes gets you there quickly.
2.
by bartlettD 11mo ago
You could look at ClinicalTrials.gov, you can quite easily search for completed, phase 3 trials example. https://clinicaltrials.gov/search?aggFilters=phase:3,status:...
3.
by bartlettD 11mo ago
Likely some kind of Electro-Optic Modulator. You could use their wavelength comb to separate the light and then use a Mach–Zehnder interferometer to perform On-Off-Keying as an example
4.
by bartlettD 11mo ago
Have you ever heard that "the market can stay irrational longer that you can stay solvent"? The thing about bubbles is, you can often easily spot them, but can't so easily say when they'll pop.
5.
by bartlettD 1y ago
As a practicing EE and naive programmer, It is pretty hard to build a simulation engine for electronics and even harder to build a performant engine. SPICE does this with huge matrices of differential equations and math tricks. Theres an in
6.
by bartlettD 2y ago
>“But Graham,” I hear you protest, “I see these practices recommended in vendor’s datasheets all the time! Surely they can’t be wrong? They’re professionals!” >The 100nF value for decoupling became so entrenched because it works well
7.
by bartlettD 2y ago
Piggybacking onto this comment, but another reason for external pours is thermal performance. A copper pour on the surface on the PCB allows heat to convect off the board more easily. The gains aren't massive, but they can help as part
8.
by bartlettD 2y ago
I was not expecting a Worm reference in this thread, well done.
9.
by bartlettD 2y ago
Link to the actual paper for those interested. https://www.nature.com/articles/s41467-024-48534-4 (Open-Access) I had wondered why they weren't doing this in simulation but didn't realise that Finite Element
10.
by bartlettD 2y ago
> According to police, the worker had initially suspected he had received a phishing email from the company’s UK office, as it specified the need for a secret transaction to be carried out. However, the worker put aside his doubts afte
11.
by bartlettD 2y ago
WaveDrom also have a package for making bitfield diagrams ( https://github.com/wavedrom/bitfield ). Has anyone used both of these? I'd be interested to see how they compare.
12.
by bartlettD 2y ago
Your search term would be "wiring harness manufacturer". I've not come across anyone in this space that would take a web order like PCB fabricators unfortunately, the demand isn't there. If you need wiring harnesses or o
13.
by bartlettD 3y ago
Thats odd, I can't see any reference to Creative Commons in my copy. The copyright rests with the Australian Defence Force Journal and is administered by Copyright Agency Ltd as far as I understand.
14.
by bartlettD 3y ago
Good point, from a certain perspective all programming languages are dead and we're actually historical computer-lingusts.
15.
by bartlettD 3y ago
Jim's article pretty much confirms my assumption that Fortran isnt "dead" but is instead more of a de-facto domain-specific language. If you're a meterologist, you'll probably be using Fortran just because all of th
16.
by bartlettD 3y ago
The claim here is that "existing hardware fuzzers are inefficient in verifying processors because they make many static decisions disregarding the design complexity and the design space explored". "To address this limitation
17.
by bartlettD 3y ago
Systems Thinking goes beyond just causal loop diagrams, which are a useful tool in soft-systems modelling. Systems Thinking is more of a foundational mindstate rather than a set of tools and I think this is something I disagree with the aut
18.
by bartlettD 3y ago
Best comment in this thread, a lot of folks seem to be stuck on the etymology rather than the very deliberate use of special keywords in collabrative working. Sailing, Flight, Surgery; All of these require people to work together, in scenar
19.
by bartlettD 4y ago
EtherCAT is built on top of IEEE 802.3 Frames, you're right that there is a special controller but those interface over MII to a standard Ethernet PHY. They don't look like valid Ethernet Frames, they are valid Ethernet Frames. Et
20.
by bartlettD 4y ago
Another good exampe is the industrial space. Factory machinery used to communicate over serial type interfaces, but now theres a push to move to EtherCAT which is a determistic protocol built on top of Fast Ethernet. There is a GigE specifi
21.
by bartlettD 4y ago
This is really neat! Lots of FPGAs have MAC peripherals or IP Cores but the PHY is usually an external component. There are some good reasons for that though, I'm not entirely sure that an FPGA can drive hard enough for a useful Ethern
22.
by bartlettD 4y ago
Agreed, its a nice accessible article for beginners. I can see someone who has really only played with Arduinos and Adufruit modules looking at this and getting some inspiration to try out some of the techniques he mentions. For example, yo
23.
by bartlettD 4y ago
He's not using the Arduino Uno for anything useful, its just a test jig to check the cable works. He says at the start of the article that he needs a USB-UART converter to work with another project. I'm assuming that project doesn
24.
by bartlettD 4y ago
EE is my day job so I may be biased towards more formal resources. Sparkfun, Adafruit, etc have some good stuff to get you off the ground and building projects almost right away. I think they're great "taster" in how circuits
25.
by bartlettD 4y ago
Can't wait to be told to RTFM by some person on the internet because I cant get the security patches to build for an implantable pacemaker.
26.
by bartlettD 4y ago
I don't think we're disagreeing. Devs have no incentive to develop for ARM if there is no market share like you said, so they're not going to buy a $599 kit and its existence won't sway them either. I think there will co
27.
by bartlettD 4y ago
>The big question is—will this $599 desktop be enough to push more developers towards cross-compiling for native ARM64 software on Windows? No, more consumer hardware like the Surface series will push devs. Who will eventually want to ge