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

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

#742
post #730

I got tired of Spotify recommending me the same songs, from the same artists, over and over again. So I built Riff Radar - it creates playlists from your followed artists' complete discography, and allows you to tailor them in multiple ways. Those playlists are my top listened to. I know, because you can also see your listening statistics (at the mercy of Spotify's API). The playlists also get updated daily. Think of…

When I tried to save a newly created playlist I got a 500 XHR with message: "failed to fetch user playlists: Error 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'AND disabled = 0' at line 4", about 2mins ago, if that help finding this is logs.

Oops that's embarassing - it should be good now :) Thanks! That was a classic case of fixing one thing and breaking another, which my tests didn't catch :(

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

#743
In the last months I've been making a songbook with chordpro https://www.chordpro.org/, amazing CLI program that produces a PDF from text files.

I've been working on my own arrangements, putting chords in lyrics, and the program produces a page with the chord diagrams next to each song. ChordPro is a program that descends from a long lineage of programs that do this, but it's been actively under development in the last 3-4 years. The developer is quite nice, and attends bug reports.

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

#745

A couple of months ago, I saw a tweet from @awilkinson: “I just found out how much we pay for DocuSign and my jaw dropped. What's the best alternative?” Me being naive, I thought “how hard could would it actually be to build a free e-sign tool?” Turns out not that hard. In about a weekend, I built a UETA and ESIGN compliant tool. And it was free. And it cost me less than $50. Unlimited free e-sign. https://useinkless…

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

#746
I'm building a pen plotter machine that is purpose built for multi-color artwork.

So far I have a duet mainboard wired up to motors and a commercial gantry set (openbuilds). I've figured out how to wire up a servo control board to a GPIO pin, and the gcode necessary run the servo up and down.

I'm designing and 3d printing parts for the pen gantry, I have a nice rail / slider setup using linear bearings. I'm almost done working out how the pen holder fits into my gantry setup but I'm struggling a little bit getting this past the finish line.

I already figured out how to generate custom GCODE that takes into account the needs of having no z axis. I need to make a simple web interface that lets me interact with the duet over USB, and this will be running off a raspi. This will allow me more GPIO and flexibility vs just wiring buttons straight to the duet.

I already have some code and logic to generate trace data from bitmap images, I just need to figure out a way to automate it so that the output still looks nice.

Once all that works... if I glue it together I will be able to push button and @robotdrawsyou (https://www.instagram.com/robotdrawsyou)

The goal is to create technology that is indistinguishable from magic. People without the technical understanding of what's going on will just see it as tech junk, but my hope is that by breaking down all the individual parts it will allow people to learn about CNC machines, vector vs raster and what it means for something to actually be a robot.

I still have zero idea how to make money with this. Career is struggling really badly but I am hopeful that what I am working on will allow me to display competency and skill to an employer. That's the fantasy at least.

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

#747

https://avanci.design Taking a break from tech to work on a luxury fashion brand with my mum. She hand paints all the designs. I it first collection is a set of silk scarves and we’re moving into skirts and jackets soon. Been a wonderful journey to connect with my mum in this way. And also to make something physical that I can actually touch. Tech seems so…ephemeral at times

Wow, I balked at the price initially, but it actually seems cheap after learning they are hand painted, that's amazing. I can easily imagine there are people willing to pay a lot more for these.

Some earnest and unsolicited feedback on the website: the scroll-based transition is not really working well, looks very jumpy in Safari/MacOS, maybe interpolating between states will help smooth it out. Design-wise, the blur effect is quite jarring, and the product list screams Shopify store and not luxury brand. You already have pretty good photography, I'd feature the portraits heavily instead of the flat product shot. Invest in great typography.

I was incidentally browsing for a new wallet recently and think this might be good inspiration: https://secrid.com/en-nl/collections/carry-with-confidence/. Wish you and your mother success!

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

#749
I am working on a handful of ADHD projects.

Currently my biggest focus is my MUD Server I'm working on. Allows a developer to create a simple MUD game, (locations, items, combat), but all NPCs are actually just LLM controlled MUD clients.

Uses Server-Sent Events for the client + HTTP post for sending actions. Not a traditional direct TELNET style MUD server, but works well in the modern world.

Definitely not 100% hand-coded, probably only around 30% at this point, as I've had my original code refactored and expanded many times by now. It's taught me a lot about managing the agent in agentic-coding.

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

#750
Push Up Club

https://pushup.club

I want to workout at least the minimum amount but always end up procrastinating it ... for some fortunate ones (me) it only takes like 20 min. a day to keep a good shape, with stuff you can do at home. We all know this but for many somehow it never happens.

I want to keep a tally of the push ups I do every day (and squats, etc...). I decided to gamify it, but not in a crappy way. I would like to see my streaks (kind of like how Github shows commits) and how other friends are doing.

Right now is prototype v0.0.0.0.0.1 as you can see, no UI and the push up detector actually kind of detects squats, lol, but I'm working on it. Btw, the push up detector is client side only so rest assured I never get see your video.

There's a global push up count, an aggregate of all push ups everyone does on the site, right now is linked to a button so it's more like a clicker, feel free to exercise your fingers. I figured it would be super nice if one day we can do like a million push ups collaboratively, or just looking at it going up in real-time, meaning somebody else is working out, should get myself inspired to do some as well.

Please leave your feedback and yeah you can join the Push Up Club anytime :D.

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