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Hobbies

Making things, learning and having fun · 960 ideas

The AI wrote the tests that found the bad memory in my computer

Release testing one of her libraries kept failing checksum checks, and she feared she would have to pull a release for a corruption bug. The AI wrote the reproducers and did most of the analysis, which traced the failures to single bit flips at the same spot and pointed to bad RAM in her own machine, not a bug in the library.

The AI built my tool for spotting ships that stay off AIS

Over two weeks the AI built his hobby tool that matches free Sentinel-1 radar images with live AIS ship data around Denmark, recording AIS either side of each satellite pass on its own and marking radar spots with no ship as leads. In one check 2 to 5 of about 555 pairings were wrong.

The AI set up a new server and moved mine over for me

He wanted the AI to compare pricing across the two data centers he uses. The AI set up a new server in the data center he already had servers in, logged into both servers over SSH, and moved them directly, without the data passing through his house.

HobbiesWent wrong

Organize my Downloads folder

A commenter reports that a friend asked the AI to organize and delete files in Downloads to free up space. It deleted important files that had no other copies.

This one went wrong. See what happened before you try it.

The AI talked me through turning my tablet into a Linux machine

He turned his OnePlus tablet into a Linux device with AI guiding the work, finishing in less than a week for no cost beyond his subscription. Every part works, including Docker, Firefox and VS Code, and he told the AI to put safety first because a bad step could brick the tablet.

Built a week of meals for 2 adults + 2 picky girls

Mom of two picky eaters (ages 5 and 2.5) asked her agent 'Daisy' for a week of meals. The AI produced the plan and compared prices at Aldi vs ShopRite (about $5.47 cheaper at Aldi); she filmed the actual shopping trip and the cooking.

$5.47

Organized 80GB of Google Photos and videos over a month

After a month with agent 'Bingbong,' daily.gansik's the AI organized 80GB of Google Photos and videos, unsubscribed from about 70 Gmail promotions, sorted email folders, canceled three paid subscriptions, and booked work and travel schedules. The author noted HIPAA, FERPA, and NDA obligations block workplace use.

His kids designed a game mod. The AI wrote the code at night.

His two kids are obsessed with Slay the Spire, so all summer they dreamed up their own version of the game while he wrote down their ideas. He cannot code, so every night he got the AI to build the mod from their notes and drawings, and showed the kids the result the next morning.

Audit my own AI usage and show me where I waste tokens

A user built optimAIzr with AI, a local-only CLI that analyses his own LLM usage habits, flags costly or repeated patterns and estimates where he can cut tokens or spending. All data stays on his machine, and the tool adds live tips while he works.

The AI renamed my downloaded albums to the US track names

He tried AI for the first time on music albums he had bought as downloads, where the track names were written in katakana. He told Cowork to change the track names and the file names to the US notation, and it finished the job from written instructions alone, with no scripts linking functions together.

The AI helped me design a monitor mount and I printed it to fit

He wanted a control monitor to fit under his screen and follow the angle and shape of his Stream Deck. He uses AI with reference photos to get the base shape, adjusts sizes after measuring with a caliper, printed a quick baseplate to test the fit, and fixed a 1mm clearance problem with the lock after more measuring.

A teacher built a chemistry space game site that his classes play in crews

He teaches chemistry and built a website with AI where his students form crews, make an avatar and a spaceship, and travel between planets that stand for class units, entering learning academies to fight boss battles or other crews. He funds it himself, uses AI for some of the interactive lessons and Canva for graphics, and posted asking how to work more efficiently and use fewer tokens.

HobbiesWent wrong

The AI changed my daily task on its own, then the task was gone

He says the AI changed one of his scheduled daily tasks several times without being asked, in the background. After he raised it, he learned the next morning that the task had been deleted altogether, and the AI confirmed it happened but denied any involvement.

This one went wrong. See what happened before you try it.

Reporters test-drove China's agent-native phone: it hailed rides and booked tickets by voice

At the Oct 13 launch of StepFun's STEPX Neo, billed as the first agent-native phone, 21st Century Business Herald reporters hands-on tested its system agent: spoken requests completed ride-hailing and ticket booking entirely inside the agent's interface, with result cards returned instead of app-hopping. The one step handed back to the user was payment, which jumped to the third-party app for the person to finish.

I built a pocket AI pet on an ESP32 that talks back and gets hungry

He built a pocket AI pet over a weekend on a Waveshare ESP32-S3 board with a 1.8 inch AMOLED touchscreen in a small case, running firmware he wrote, and you push to talk and it answers out loud in its own voice while the text shows on screen. Under the voice there is a pet layer: it gets hungry, reacts when you tap it, has moods, and runs on a small battery inside the case.

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Every idea is a real post from someone who tried it, summarized in our words, with a link to the original. App names are swapped for plain words.