A tiny robot that watches your AI coding assistant has a new Halloween costume. Its maker replaced the robot’s head with a pumpkin, swapped its coffee cup for a cauldron and added a spooky desk lamp. The best part? You can print the costume yourself.
On October 10, developer Krzysztof Jamroz shared a Halloween remix of Tiny Engineer, his open-source desktop robot. The little machine already moves, changes its facial expressions and rings a bell when an AI coding agent finishes working. Now it looks ready for trick-or-treating.
A robot that shows what AI is doing
Tiny Engineer is more than a decoration. It uses an ESP32-C3 Wi-Fi microcontroller, five small servos, an OLED face and a speaker. When an AI coding assistant reads files, thinks or writes code, software sends the robot a command to perform a matching movement. When a job finishes, the robot can ring its little bell.
Anyone can make a costume
Jamroz released the printable Halloween remix alongside the original robot model. He also publishes the electronics, software and build documentation on GitHub. The project uses MIT licensing for its software and CERN Open Hardware Licence terms for its hardware designs.
That means makers can change the body, print new accessories or make the robot respond to something other than an AI assistant. In the discussion, Jamroz suggested future possibilities such as reacting when a 3D printer finishes or responding to smart-home events. USB serial control is also being considered, but it is not yet a shipped feature.
Why it’s interesting
Most AI assistants exist only as text and notifications on a screen. Tiny Engineer turns those invisible software events into something you can watch. It is also a practical project for learning open-source development, 3D printing and GitHub.
SmartNews takeaway: A clever Halloween costume turned an already charming robot into a reminder that AI projects can be playful, physical and open for anyone to improve.
Sources: Jamroz’s October 10 announcement, the official Tiny Engineer repository and Open Electronics reporting.
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