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Image: reddit.com · I vibe coded my first project

Worked Proof shown

Custom Home Assistant firmware for a Waveshare knob display

A newcomer used Claude to write 2,500-plus lines of custom firmware, a Home Assistant blueprint and Bluetooth support for a Waveshare 1.8-inch knob LCD.

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Credits

  • Reddit poster L3djunkie Source ↗

Earliest dated source: 7 Jan 2026

Video ↗

The full story

The poster, who says they know little about software development, used Claude to write custom firmware for a Waveshare 1.8-inch knob LCD, along with a Home Assistant blueprint and a Bluetooth stack. It has seven tiles, including media tiles and an Android TV tile.

They paid for Claude's base plan after running out of tokens and used other AIs when they hit limits. Their tips are to give the AI the manufacturer's demo files and schematics, and to work in blocks once the sketch grew past 2,500 lines.

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Sources

From a short post by the maker, so the details are as they tell them.

  • Reddit: I vibe coded my first projectForum threadreddit.com
    Reddit poster: L3djunkiePosted 7 Jan 2026

    The maker's post on r/esp32.

    If it disappears: archived copy of Reddit: I vibe coded my first project (opens in a new tab)

  • The video: youtu.beVideoyoutu.be

    Linked from the post.

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Prompt & Solder

An independent community project. Not affiliated with Anthropic.

What this is. Real projects where people used Claude to build, fix, port, revive or take apart something, from jailbroken Kindles to rebuilt DOS games, plus the times it went badly wrong. Every build links to where it was shared, and every source is listed here.

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