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Image: reddit.com · Open Source Multiplayer drawing app for ESP32-2432S028R the cheap yellow display

Worked Proof shown

A multiplayer drawing app over ESP-NOW for the Cheap Yellow Display

Claude wrote a shared drawing app for cheap ESP32 touchscreen boards that sync what you draw over ESP-NOW.

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Credits

  • Reddit poster CommunityFan89 Source ↗

Earliest dated source: 26 Feb 2026

The full story

A multiplayer drawing app for the $15 ESP32-2432S028R "Cheap Yellow Display", described as a cut-down drawpile. Boards talk to each other over ESP-NOW.

The maker prompted Claude for the code. With one board in the basement and one upstairs, drawing on either appears instantly on both.

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Sources

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

  • Reddit: Open Source Multiplayer drawing app for ESP32-2432S028R the cheap yellow displayForum threadreddit.com
    Reddit poster: CommunityFan89Posted 26 Feb 2026

    The maker's post on r/esp32.

    If it disappears: archived copy of Reddit: Open Source Multiplayer drawing app for ESP32-2432S028R the cheap yellow display (opens in a new tab)

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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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