Minecraft Server Runs on Smart Lightbulbs via Ucraft

Vimpo develops Ucraft to run Minecraft servers on smart lightbulbs. Compact server focuses on basics, available on AliExpress-sourced hardware.

M
minecraftnew.com
19 Nov 2025

A developer named Vimpo has successfully set up a Minecraft server on a smart lightbulb sourced from AliExpress. The innovative solution uses the lightbulb's BL602 microcontroller.

Key facts

  • Ucraft was built by Vimpo to run on BL602 microcontrollers.
  • The server's binary size is about 46 KB without, and 90 KB with authentication library.
  • Heap usage reaches up to 70 KB with 10 players and authentication enabled.
  • The system is available for setup on Linux machines.
  • The solution was shared in a video by Vimpo showcasing its feasibility.

Impact / What’s next

Ucraft provides a highly compact Minecraft server for smart lightbulbs, making it feasible to host basic multiplayer experiences on minimal hardware. Although the server is limited in features compared to a vanilla server, it demonstrates unique potential for embedded devices. Players and hobbyists can explore new setup possibilities and creative implementations.

Micro Minecraft: Running Servers on Smart Lightbulbs