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Firefox now supports Web Serial for direct communication with Adafruit hardware boards, eliminating the need for separate desktop tools and simplifying the development process.
Firefox 151 adds support for the Web Serial API, enabling web applications to directly communicate with serial devices like microcontrollers, 3D printers, and development boards without native software, expanding its utility for hardware hacking and education.
Demonstrates running Gemma 4 offline in the browser using WebGPU and Transformers.js to control a Reachy Mini robot via WebSerial.