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Ask HN: Most interesting tech you built for just yourself?

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Re: Ask HN: Most interesting tech you built for just yourself?

#821
post #593

I just moved to the bay area. I made an app that scrapes all bay area events from meetup, eventbrite, and a couple of other sites- This way you end up with around 100 events a day, way too much to read through. So next I take each event, send it to chatgpt3.5 and ask it to rate this event on around 20 parameters. Next, I take the latitude/longitude of each event and measure driving distance from my house. Then I have…

That's a startup product you got there.

Re: Ask HN: Most interesting tech you built for just yourself?

#822

I live on the flight path of a busy airport (Toronto) and have always wondered what type of aircrafts they are as they fly above me. So, I made a "Plane Above Me" app that listens to airplane sound. Once detected, it polls data from flight APIs and read out the flight info and aircraft data. In other words, it's my little "Flight Announcer". https://evergreen-labs.com/PlaneAboveMe.html

I bookmark this page and load it whenever something starts circling/passing overhead:

https://globe.adsbexchange.com/?SiteLat=##.####&SiteLon=##.#...

Regular plane noise is a regular thing where I live - I'm right under one of the regular flight-paths for a nearby very busy airport and very close to another busy airport.

One idea I've had for a while is to take my eInk raspberry-pi accessory and poll this data and have a constantly updating "what's overhead" display.

Re: Ask HN: Most interesting tech you built for just yourself?

#823

This thread is giving me a complex. Why? Well, because the answer is basically "nothing". I mean, don't get me wrong - I've built all sorts of stuff, and plenty of it was not for my $DAYJOB. And I think (at times) of myself as being fairly creative and having lots of "ideas". And yet... at least in the context of this thread (the way I'm interpreting the OP's question anyway) I just don't have much to offer up. FWIW,…

This is normal. This is a bragging thread, so you're getting the subset of people who have something to brag about.

For me, most of my mental energy goes into my day job, so I'm often just tired of programming and tech stuff after hours. I tend to have to balance - either put my energy into work work, or work work can suffer while I put my energy into personal projects. I also have family and other hobbies that take up time, and there's only so much of it.

I've also found that if I'm not careful, I'll get too obsessive over this stuff and everything else suffers, so I have to try to keep it in check or I'll end up burned out, more tired, and have half-finished projects - which can be even more mental overhead.

Re: Ask HN: Most interesting tech you built for just yourself?

#824
I live in Paris, the city with the most art house cinemas in the world. There are so much of them I have a hard time following what is showed every week. I made a simple crawler that looks at these cinemas and sends a digest of the week schedule by email, listing only the movies that went out one more than year ago (because these theaters also show recent films). Nothing fancy here but I use it every week.

Re: Ask HN: Most interesting tech you built for just yourself?

#825

A tool called "diff modulo base": https://git.sr.ht/~nhaehnle/diff-modulo-base Given two version (old and new) of a Git change (i.e., individual commit or patch series from a pull request) it produces a diff that is actually useful for reviewing purposes, assuming you've already reviewed the old version of the change. It's sort of like `git range-diff`, but where `git range-diff` produces a "diff of diffs" that is ve…

This seems very similar to the "second-order diff" trick: https://blog.moertel.com/posts/2013-02-18-git-second-order-d...

Re: Ask HN: Most interesting tech you built for just yourself?

#827
• 3D printed aeroponic misting nozzles. I followed a patent, so it can't be open sourced.

• Automatic turret to guard a pond against herons. They come during winter and eat many goldfish. This year was catastrophic enough I started developing a turret using a raspberrypi4 with a YOLO computer vision nnet with weights from Tencent (not fined tuned, I just look for big bounding boxes tagged as a bird). The "gun" is composed of a coffee machine pump and a 3D printed polycarbonate pressure tank. Pan-tilt mount using sg90 servos. I didn't finish the project because it turned out quite a lot of fishes survived, they were just very good at hiding.

Re: Ask HN: Most interesting tech you built for just yourself?

#828
I'm building a MIDI controller that has knobs (rotary encoders) displayed on top of a full hd display. I looked everywhere for something similar and I'm pretty sure that it does not exist. Did my first gig with the first prototype. It's basically a mix between the Electra One, the MP Midi Controller and the Stream Deck.

I'm working on this for months now, and I had to learn how to use tools like Fusion 360 and Kicad for this, which is incredibly fun!

I'm looking for a name for this product, current propositions are "a screen with holes" and "écran total" but ideas are welcome :)

Re: Ask HN: Most interesting tech you built for just yourself?

#829
I wanted to listen to the audio version of "Founding Sales: The Early Stage Go-To-Market Handbook by Peter R Kazanjy." But I couldn't find an audible version so a friend and I downloaded an ePub version of it and converted it to audio using Microsoft's txt to speech model and built a simple UI.

I plan to make it general purpose so you can download and ePub and convert it to audio seamlessly.

https://listenandread.netlify.app/

Re: Ask HN: Most interesting tech you built for just yourself?

#830
post #593

I just moved to the bay area. I made an app that scrapes all bay area events from meetup, eventbrite, and a couple of other sites- This way you end up with around 100 events a day, way too much to read through. So next I take each event, send it to chatgpt3.5 and ask it to rate this event on around 20 parameters. Next, I take the latitude/longitude of each event and measure driving distance from my house. Then I have…

+1; would love code for this!!!
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