I built a bark logger to prove the neighbor's dog barks for hours
One of several tools he built with AI: a program that listens for the neighbor's dog, detects the barking and logs it to a spreadsheet, so he has a record before he complains.
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Your place, your car and your pets · 265 ideasA local model watches his cameras for open garages, cat sick and thirsty plants
A local LLM in Home Assistant checks camera images for garage door open, cat vomit and plants, notifies him and pauses the cleaning robot schedule, replacing flaky sensors.
The AI one-shot a dashboard for his air conditioning system
The AI one-shot a custom web dashboard to control his Samsung AC system.
The AI made a 3D print file from my photos and I printed the bracket
He needed a bracket to hold a small LCD above a circuit board. He sent the AI photos of the board and the display, the AI made a 3D print file, and he printed the bracket at the library.
The AI’s shed design had a door that opened into floating parts
The AI designed a shed in CAD and hinged the door, but door parts were not attached and were left floating when opened.
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He built his kid a one screen app that picks the fastest way to school each morning
His kid’s school run means two trains or a bus, with the right choice spread across three apps. He built an Android app with AI that pulls live train times, wait times, disruptions and traffic into one screen and recommends which way to go.
The AI set up his whole 3D printing hobby and runs the printer from plain English
A new 3D printing fan who did not want to learn the software first had the AI help pick a printer it could drive through its API, then build a small home server between the AI and the machine. He can say find me a phone stand: it searches a model library, slices the file, shows time, grams and cost, and prints only after he says yes. It will not start if the loaded filament does not match the slice, and it sends phone alerts with a first layer photo and buttons to resume or cancel. His partner can request prints through a chat page, which he approves. A firmware update broke the camera setup and the AI found and fixed it.
The AI implemented a pairing protocol in Swift just by talking to his smart plugs
Got the AI to implement TPAP compatibility in Swift purely by interacting with his local plugs and response shapes plus RFC 9383, figuring out it was SPAKE2+ and the password hashing steps.
The AI made my menu bar app. A shortcut now sets my lights.
He runs Home Assistant on an old PC and used AI to make a menu bar app for his Mac. A keyboard shortcut now sets his lights, though he says it may not work as well for homes with lots of different smart devices.
Sort my whole move into keep, donate and discard from room photos
Neo Tsang recounts uploading room photos and an inventory to the AI a month before moving; the AI categorised everything by usage frequency into keep, donate and discard, with a room-by-room packing sequence. He also had the AI break down three movers' quotes line by line and picked the middle option at nearly half the most expensive quote (the post closes with a referral code).
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.