Hacker News: _fizz_buzz_

New comment by _fizz_buzz_ in "Show HN: Spice simulation → oscilloscope → verification with Claude Code"

_fizz_buzz_ — Fri, 17 Apr 2026 05:39:08 +0000

Spicelib really just makes calls to the selected spice engine (in my case ngspice). In this setup spicelib‘s main job is to parse the raw spice data and have a unified interface regardless which spice engine is selected. But to answer the question: the path to the spice model must currently be set explicitly.

New comment by _fizz_buzz_ in "Show HN: Spice simulation → oscilloscope → verification with Claude Code"

_fizz_buzz_ — Fri, 17 Apr 2026 03:30:38 +0000

Oh, I remember seeing Jumperless a while ago, but completely forgot about. Combining this with something like Jumperless does sound interesting. What does your setup look like? Does Claude tell you: "try 1k resistor in parallel here"?

New comment by _fizz_buzz_ in "Show HN: Spice simulation → oscilloscope → verification with Claude Code"

_fizz_buzz_ — Fri, 17 Apr 2026 03:25:56 +0000

I haven't tried it with codex yet. But my approach is currently a little bit different. I draw the circuit myself, which I am usually faster at than describing the circuit in plain english. And then I give claude the spice netlist as my prompt. The biggest help for me is that I (and Claude) can very quickly verify that my spice model and my hardware are doing the same thing. And for embedded programming, Claude automatically gets feedback from the scope and can correct itself. I do want to try out other models. But it is true, Claude does like to congratulate itself ;)

New comment by _fizz_buzz_ in "Show HN: Spice simulation → oscilloscope → verification with Claude Code"

_fizz_buzz_ — Fri, 17 Apr 2026 00:52:28 +0000

Claude can absolutely correct itself and change the source code on the MCU and adapt. However, it also does make mistakes, such as claiming it matched the simulation when it obviously didn't. Or it might make dubious decisions e.g. bit bang a pin instead of using the dedicated uart subsystem. So, I don't let it build completely by itself.

Show HN: SPICE simulation → oscilloscope → verification with Claude Code

_fizz_buzz_ — Fri, 17 Apr 2026 00:37:47 +0000

I built MCP servers for my oscilloscope and SPICE simulator so Claude Code can close the loop between simulation and real hardware.

Comments URL: https://news.ycombinator.com/item?id=47801255

Points: 71

# Comments: 12

New comment by _fizz_buzz_ in "Pro Max 5x quota exhausted in 1.5 hours despite moderate usage"

_fizz_buzz_ — Sun, 12 Apr 2026 15:29:17 +0000

I have a feature request: I build an mcp server, but now it has over 60 tools. Most sessions i really don’t need most of them. I suppose I could make this into several servers. But it would maybe be nice to give the user more power here. Like let me choose the tools that should be loaded or let me build servers that group tools together which can be loaded. Not sure if that makes sense …

New comment by _fizz_buzz_ in "We've raised $17M to build what comes after Git"

_fizz_buzz_ — Fri, 10 Apr 2026 12:34:57 +0000

If only 100 people in the world are using this language, who are you even merging code with, lol.

New comment by _fizz_buzz_ in "We've raised $17M to build what comes after Git"

_fizz_buzz_ — Fri, 10 Apr 2026 08:32:51 +0000

Can agents not checkout different branches and then work on them? It's what people also do. I have a hard time to understand what problem is even solved here.

New comment by _fizz_buzz_ in "Germany Power Prices Turn Deeply Negative on Renewables Surge"

_fizz_buzz_ — Tue, 07 Apr 2026 11:59:58 +0000

Sure, and negative prices will send a strong signal to the market to hurry up with adding storage. So, this will probably be more of a temporary situation and in the future there will be very few days with negative prices, however there will then also be fewer days with very high prices.

New comment by _fizz_buzz_ in "Germany Power Prices Turn Deeply Negative on Renewables Surge"

_fizz_buzz_ — Tue, 07 Apr 2026 11:36:49 +0000

The grid is not unstable and it was also not unstable the last view days when prices were negative. Germany has one of the most stable grids in the world. Negative prices are good when you need to buy electricity and they are bad when you are selling, but of course generally in a functioning market there shouldn't really be too many days with negative prices. It does mean that there isn't enough storage currently on the grid.

New comment by _fizz_buzz_ in "Codex pricing to align with API token usage, instead of per-message"

_fizz_buzz_ — Sun, 05 Apr 2026 17:31:28 +0000

Although I have to say I am sometimes surprised how much people burn through their usage. I was briefly on a Claude Max plan and then switched to a pro plan and still almost never hit my limit.

New comment by _fizz_buzz_ in "Sweden goes back to basics, swapping screens for books in the classroom"

_fizz_buzz_ — Thu, 02 Apr 2026 15:22:22 +0000

AI is here to stay. But learning to copy-paste homework into a chatbot is not really a skill one needs to learn.

New comment by _fizz_buzz_ in "Claude Code's source code has been leaked via a map file in their NPM registry"

_fizz_buzz_ — Tue, 31 Mar 2026 11:47:19 +0000

They probably have statistics on it and saw that certain phrases happen over and over so why waste compute on inference.

New comment by _fizz_buzz_ in "What if AI doesn't need more RAM but better math?"

_fizz_buzz_ — Sun, 29 Mar 2026 12:46:39 +0000

Doubt it. You have to pay these mathematicians once and then you can deploy to millions of sites.

New comment by _fizz_buzz_ in "Overestimation of microplastics potentially caused by scientists' gloves"

_fizz_buzz_ — Sun, 29 Mar 2026 11:57:07 +0000

The article specifically says the opposite.

New comment by _fizz_buzz_ in "Data centers are transitioning from AC to DC"

_fizz_buzz_ — Wed, 25 Mar 2026 04:07:30 +0000

Obviously 48VDC has been around and internally they will probably still step down to 48V. But these 48V islands are nowadays inter connected by regular AC grid. They want to replace that interconnection with a 800VDc bus. I kind of assume they chose 800vdc because there are already bunch of stuff available from EVs which also have 800vdc battery packs now.

New comment by _fizz_buzz_ in "Epoch confirms GPT5.4 Pro solved a frontier math open problem"

_fizz_buzz_ — Tue, 24 Mar 2026 07:09:32 +0000

Maybe not, but more than 99.999999% of humans would also not come up with that.

New comment by _fizz_buzz_ in "How BYD got EV chargers to work almost as fast as gas pumps"

_fizz_buzz_ — Sat, 21 Mar 2026 13:31:13 +0000

5mins is really as good as it has to be. Almost everyone needs a bathroom break or gets a drink/snack after 400miles.

New comment by _fizz_buzz_ in "How BYD got EV chargers to work almost as fast as gas pumps"

_fizz_buzz_ — Sat, 21 Mar 2026 13:27:20 +0000

Sounds like the trick is to use 1.5MW chargers. I guess that'll do it. I suppose the question is how they handel this thermally.

New comment by _fizz_buzz_ in "Ask ChatGPT to pick a number from 1-10000, it generally selects from 7200-7500"

_fizz_buzz_ — Sat, 21 Mar 2026 07:09:47 +0000

Huh, I also got exactly 7342 with opus.