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Hobbies

Making things, learning and having fun · 960 ideas

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.

My agent organized my whole music collection on my NAS

He gave the AI a profile on his Synology NAS, linked over Tailscale by SSH, with one hard rule: never delete anything without his clear say so. The AI went through his large MP3 collection folder by folder. It renamed files, removed duplicates, found album art, fixed tags, and moved songs that were filed wrong, like songs in an 80s folder that were not from the 80s. It also relinked a playlist after he had moved all of its tracks into other folders.

I passed a brand new AWS exam with AI drills and a Notion study hub

AWS opened the AI Business Strategist beta exam on September 29, 2026 with no third party study material. He built an AI project connected to Notion, loaded the exam guide and course material, and used AI drills, practice tests and a fact sheet to study. He sat the exam on its first day and passed.

The AI made the templates for my Obsidian note system

He finished setting up Obsidian so new notes file themselves into the day's folder and link into daily, weekly, monthly, quarterly and yearly notes. The templates behind it were made by the AI, and he says it would have been impossible without it.

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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.