Cool Things You Can Do with the Web Serial API

The article explores practical applications of the Web Serial API, which lets web apps talk directly to physical serial devices like microcontrollers, USB-to-serial adapters, and 3D printers without native apps or extensions. It covers browser support (Chrome 89+, Edge 89+, Opera 75+, Firefox 151+) and six project categories including serial monitors, firmware flashers, G-code streamers, telemetry dashboards, display controllers, and device config UIs.