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Ask HN: What are you working on? (July 2025)

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Re: Ask HN: What are you working on? (July 2025)

#681

Post by teruza »

alextousss wrote: post #24

My roommate and I are still working on Tornyol, our mosquito killing drone! It uses ultrasonic sonar to detect mosquitoes, and missile control theory to ram into mosquitoes and grind them in its propellers. Our target platform is a 40 grams tinywhoop so it’s safe to fly everywhere and makes almost no noise :). A Roomba for mosquitoes! The main plus compared to traditional systems is that a drone can cover an enormous…

Very cool idea. What is your estimated price? This could work well in many African countries if the price is low.

Re: Ask HN: What are you working on? (July 2025)

#682

Post by teruza »

yreg wrote: post #506
alextousss wrote: post #24

My roommate and I are still working on Tornyol, our mosquito killing drone! It uses ultrasonic sonar to detect mosquitoes, and missile control theory to ram into mosquitoes and grind them in its propellers. Our target platform is a 40 grams tinywhoop so it’s safe to fly everywhere and makes almost no noise :). A Roomba for mosquitoes! The main plus compared to traditional systems is that a drone can cover an enormous…

Super interesting project! What stage are you at currently? What are the main open challenges that you are facing?

Good question. How does your drone know the difference between a fly and a mosquito (and a human)?

Re: Ask HN: What are you working on? (July 2025)

#684

Post by cushychicken »

alextousss wrote: post #595
atlasunshrugged wrote: post #106

Earlier quoted context omitted.

My impression is the solutions are still somewhat lacking/necessary -- I know Frankenburg, Eric Schmidt's stealth startup, and surely the primes are all working on it but given how many shaheds are still getting through (plus all the drone action at the frontline) I imagine there's still a market for low-cost; especially if they're largely autonomous

It might be, but it’s a crowded market where politics and connections are worth more than technical expertise. So, we’re okay to stay out of it

it’s a crowded market where politics and connections are worth more than technical expertise

This is 100% true.

Kill mosquitoes first. Then go for defense contracts when you can show you have sensors good enough to hunt and kill bugs.

I guarantee solving the bug use case first will put you head and shoulders above all the clueless UAS/cUAS companies out there these days - and there are TONS of them.

Re: Ask HN: What are you working on? (July 2025)

#686

Post by nzach »

I'm working on https://leetprompt.io

It is a platform for prompt challenges, in leetcode style. But you act as a director for the AI writing the code. You ask what you need and the AI implements your request.

The idea is to create some awareness about the fact that you do need to know how to code to be able to steer the AI in the right direction.

Re: Ask HN: What are you working on? (July 2025)

#687

Post by chistev »

adrianwaj wrote: post #566
chistev wrote: post #44

I'm building ClosedLinks, a tool for sharing files and/or messages anonymously through one-time access links with no traceable sender. Most digital tools assume persistence; ClosedLinks is built for ephemerality and unlinkability. Each link is single-use, redirects on access, and stores encrypted content only temporarily. Recipients never see the original URL, enabling plausible deniability. Think: whistleblowers. En…

"One-time access links with no traceable sender" ... so people get anonymous messages while logged-in to this site? How does the sender know about the recipient in the first place? What would I put in my HN profile to get messages on the site? You have people's email addresses... isn't that a problem when saying "no traceable sender?" People will need anonymous email addresses. Why not have pass-phrase logins? I had…

Yea, the email part was a problem I mentioned in the white paper. Problem was I couldn't think of a way to enforce plan limits while making the subscription model work. If usernames, then they could just abuse it by creating new usernames each time. But I understand you. Maybe if you have some suggestions?

So regarding the sender and recipient, let's say I wanted to send you something. A message or a file, but wanted to maintain plausible deniability on if I sent it. I wanted a way of doing this, and the solution I came up with was that the link you receive publicly is not the link you land on to access the message or file. Anyone who lands on the publicly shared link, gets redirected to a new url each time.

But even without the deniability angle, it could be a way of sharing files with one time links. The links work once. And there's password protection, if enabled.

The implementation might not be perfect, but open to ideas, of course.

On, and there's API feature for generating links, and uploading files - for what it might be worth.

Re: Ask HN: What are you working on? (July 2025)

#688

Post by yakshaving_jgt »

khazit wrote: post #582

I'm working on Simple Observability[0], a platform for monitoring servers (metrics and logs). Think of it as a super simple alternative to the Prometheus + Grafana + Loki stack, designed for teams who just want to know “is my server healthy?” without setting up and maintaining a full observability pipeline. It uses a lightweight, open-source agent[1] that collects data and pushes it to the backend, so it works behind…

This is really cool.

For the landing page, I think it'd be useful to see an actual screenshot of the UI. Also, what I'm looking for in a solution like this is to receive this information passively — I don't want to need to proactively watch a dashboard. I would want to receive email alerts when, for example, I'm running out of disk space. It says on your landing page that you provide this feature, but it also says it's configurable. Everything on Grafana is configurable, but tbh it's a PITA to configure. It'd be nice if SO just worked OOTB wrt alerts.

Re: Ask HN: What are you working on? (July 2025)

#689

Post by rcy »

CalRobert wrote: post #537
rcy wrote: post #191

I am working on a site that allows kids to chat and play online with other kids. To connect, kids must have their parents sign up and connect with the parents of their friends. Kids can chat with their parents and family as well as other kids in their network. Messages can be monitored by parents. There are also other activities like a bot workshop where simple llm bots can be "programmed" by creating system prompts…

Sounds cool, would love a link! I’ve started buying walkie talkies for neighbourhood kids and set up a Minecraft server which has turned in to a sorta social hub for my daughters- we’re trying to delay phones as long as possible - but a purpose built solution would be great

Thanks for your interest. I will send you a link if you want to have a look and try out something that is still rough around the edges. I'm working out some login/connection flow issues and am not ready to publicly share quite yet.

Re: Ask HN: What are you working on? (July 2025)

#690

Post by is_true »

justref wrote: post #647

I'm working on JustRef[1]: AI Referee for Sports. I shipped the product a few days ago and seeing more than 2K users have already signed up and using the web app. Seeing people enjoy the application you created gives me a lot of enjoyment. Currently, I'm giving away 1 credit for every sign-up. No need to pay to try out. [1]: https://justref.app

awesome. did you write something about how the service works?
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