Maker packs an opinionated, googly-eyed AI chatbot into a mobile suitcase, powered by an Nvidia Jetson — entirely local machine entity runs Gemma 4 E4B and can respond in 200ms

A Reddit maker built Sparky, a suitcase-sized robot companion that runs fully offline on an Nvidia Jetson Orin NX Super 16GB.

It uses Gemma 4 E4B locally, with more than 30 sensors plus voice input and output for a responsive interactive experience.

The robot can answer in about 200 ms, showing how fast on-device AI can be in a compact portable form.

The project highlights the potential of fully local assistants that work without internet while still supporting speech and vision features.