tverbeure

44 ms·

751.
by tverbeure 7y ago
Not OP, but I've used AliExpress to stock my home electronics lab with resistors, LEDs, Blue Pill microcontroller boards, connectors, etc. All dirt cheap, often in individual parcels, shipping cost close to zero.
752.
by tverbeure 7y ago
You're right that not all of them have tracking. The ones with full tracking are AliExpress Standard Shipping and ePacket. Not that there's a noticeable difference in shipping cost: in some ePacket cases, the shipping cost was $0,
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by tverbeure 7y ago
> In particular, they take a retail price for fast shipping with tracking and compare to a wholesale price for slow shipping without tracking. While I agree about the fast shipping part, many of my slow shipping AliExpress packages from
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by tverbeure 7y ago
> Solar roads are a great idea. But why? There are plenty of arguments against it and hardly any in favor?
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by tverbeure 7y ago
I had saved up 30000 Belgian Francs, just enough for an Amiga 500, when my father offered to add another 20000 on the condition that I'd buy an 8088-based PC with a whopping 30MB hard drive so that he could run Latex at home.(x) I sold
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by tverbeure 7y ago
Today's RISC-V cores on a modern silicon process are (often far) less than 1mm2.
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by tverbeure 7y ago
You can find plenty of Dutch scouting troops doing their annual summer camp in the Belgian Ardennes.
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by tverbeure 7y ago
I used to be the 'bad guy' kidnapping kids from my sister's girl scout troop who were camping out somewhere in the Ardennes. Early nineties, I think? We had midnight droppings during the week-long school outings as well. It&#
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by tverbeure 7y ago
> Switch your caps lock with escape! You should have been doing that the whole time! There are many touch typists who've been trained to use caps lock all the time. The moment I need to type more than 2 upper-case characters in a ro
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by tverbeure 7y ago
My father was a physics professor who worked at CERN in the early nineties. He had a MIPS workstation on his desk running one of the early web browsers. (I think it was Mosaic, so it must have been around 1993?) During the weekend, I'd
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by tverbeure 7y ago
> There is no synthesis engine for VHDL in it that I'm aware of. The answer is one simply Google search away: http://www.clifford.at/yosys/cmd_verific.html The commercial version of Symbiyosys uses Verific to p
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by tverbeure 7y ago
And yet, whenever given the choice with my hobby projects, I always drop the open source available FPGAs and toolchains for Altera or Xilinx. The moment any kind of debugging or timing analysis is required, the open source chain currently f
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by tverbeure 7y ago
The premise of the post seems to be that Verilog RTL is the lowest form of abstraction in which you can program an FPGA, and that everything lower is guarded by proprietary FPGA tools. That is simply not true. You can manually instantiate F
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by tverbeure 8y ago
Here you go: http://tomverbeure.github.io This one is specifically about the RISC-V core: https://tomverbeure.github.io/risc-v/2018/11/19/A-Bug-Free-R... > Can you recommend some of those
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by tverbeure 8y ago
Here's how I got my feet wet with RISC-V, for next to nothing: - I bought a cheap FPGA board. Pretty much anything is large enough for a low performance RISC-V CPU. - I added a small design with a picorv32 CPU and experimented with tha
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by tverbeure 8y ago
> Does this merely optimize for minimal length of the datalines? That's how it used to be 25 years ago. It's probably still a factor in the cost function, but the biggest part is timing. Of course, timing and length are closely
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by tverbeure 8y ago
This is the result of a simulated annealing cell placement algorithm. 99%+ of all modern silicon will look very similar at the same zoom level. If your point of reference is the layout of an Intel CPU, don't forget that those are on th
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by tverbeure 8y ago
Author here. My reason to choose the A15 was because it was shown on the WD performance slide with a performance that's close to the SweRV. The target use cases of the SweRV are obviously very different from the A15 (lack of MMU, lack
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by tverbeure 8y ago
RISC-V has already been adopted by many companies as low and not-so-low performance embedded microcontrollers. It's just that you don't see it. And it's really perfect for that. I think that's pretty exciting. As for sup
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by tverbeure 8y ago
About a year ago, I decided to start writing about my home hobby projects on a blog. It's a nice plus when others read it (but I have no idea because there are no trackers) but the two biggest advantages are: 1. I'm now much more
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by tverbeure 8y ago
I recently created my very first PCB and used KiCAD for that. Having never used PCB design software before, I was able to go from downloading the KiCAD software to uploading a finished PCB in one evening. The design was a 2 layer PCB with 3
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by tverbeure 8y ago
Ok. The FPGA in a ZC706 is about double the size of the Spartan-6 LX150. That's a lot of logic!
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by tverbeure 8y ago
I haven't tried BOOM specifically, but if you're interested in a large FPGA that can be acquired very cheaply, you should look into the Pano Logic G2 thin client. They used to be available in bulk for $3 a piece, but those have no