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Posted by david927 3/30/2025

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

What are you working on? Any new ideas that you're thinking about?
390 points | 996 commentspage 35
dabrorius 3/30/2025|
I'm porting a Chip-8 interpreter I wrote in Ruby to C. I was planning to do it in Rust but thought it would be good to face the problems Rust is solving first.
ermir 4/2/2025||
I have way too many things that catch my interest, but right now I am designing a paper and aluminum foil based linear electric motor. The idea is to create an electromechanical display that pushes a colored piece of paper into place to create a pixel, and see if this can be done cheaply and at scale. The electronics that I have selected look very promising, all I have to do is test the idea and see if this is worth pursuing further.
srcreigh 3/30/2025||
A tool for learning German via reading. The main feature is click a word to see its dictionary entry (not always easy with so many declensions). Flashcard creation from the dictionary entry. Real human spoken audio from Wiktionary.

Will be working on some LLM features soon (explain "X" in the sentence "Y" prompt). It'd be nice to get a word frequency ranking dataset integrated, so I don't waste time learning rare words.

vnce 3/31/2025|
I’d check this out
tf2_pyro 3/31/2025||
I'm working on https://www.chessfunforlittleones.com/ - an electronic book to introduce children to chess through LED lights, poems and some cute chracters.

I launched the kickstarter a month ago and am currently finalising the logistics for shipping the books out and putting together the shopify site which should launch at some point in April.

michaelsalim 3/31/2025||
Open source presenter software. If you ever need to show something on screen, this will handle it for you. Useful for any events like concert, conference, camps, etc. You can also use it for things like digital signage.

Still a lot of features to be added, but it's already useful for simple use-cases.

https://github.com/Vija02/TheOpenPresenter

lucgray 3/31/2025||
Building a game similar to Zombies! Run but with slightly modified gameplay. Narrative heavy with point and click elements, quests, and choose your own adventure decision making elements.

I've been hacking on a similar idea since about 2016 but only recently picked it back up. I want to support walking and cycling - any activity as long as it's outdoors (no treadmills).

I have a few ideas about the narrative that I think should be fun and timely.

kamarg 3/31/2025|
Why no treadmills?
user1241320 3/31/2025||
Inspired by the Dobble card game, a friend and I built an iOS version where the symbols are emojis! You can customize the difficulty with options like “only green emojis” or other themed sets.

We don’t want to put ads in the game, but we’re exploring ways to add non-free features to make a little money from it. Has anyone done something similar? Any insights or past experiences with monetizing a casual mobile game would be really helpful!

Sawpaw19 3/30/2025||
AI email assistant https://apps.apple.com/us/app/email-agent/id6740051485

Google Firebase mobile client https://apps.apple.com/us/app/littlefire-firebase-mobile/id6...

raybb 3/30/2025||
The main side project I'm working on now probably won't apply too much to this audience but it's a weekly urbanism news roundup. The idea is to get global examples to inspire local change. Also, after leaving school I still wanted to keep in touch with what's happening around the world and continue learning.

https://urbanismnow.com/

raybb 3/30/2025|
Oh, also I'm thinking making a little tool so when craiglist emails you for a saved search it deduplicates it before forwarding it to a chat app. My parents would find it very helpful as they still use craigslist a lot but the duplicate notifications for listings really annoys them.
rambeltran 4/7/2025|
I had been wanting to learn Next.js for a long time and loved the idea of telling a story via gifs. I also bought a domain on impulse(like always) a while back and thought id put something there before it expires. I don't see it going anywhere, but already learned a ton about Next and all the things that go with it. Its wonky, so please don't judge too harsh. You can check it out at prelinq.com
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