Sparky Doesn’t Call Home: A Suitcase Robot Running Gemma 4 E4B Entirely Offline on Jetson Orin NX
A technical teardown of Sparky, an autonomous suitcase robot built around a Jetson Orin NX SUPER 16GB that runs Gemma 4 E4B completely offline with ~200ms cached TTFT, zero network interfaces, and 30+ sensors fused directly into the prompt.
