Announcing Web Serial Support in Firefox

Haik AftandilianMozilla HacksPublished Aug 26, 2026, 01:10 AM0 reads

Support for Web Serial in Firefox 151 for Desktop Firefox can now connect directly to microcontrollers, development boards, 3D printers, power meters, and other serial-connected hardware from the web.

Starting in Firefox 151 for Desktop, support for the Web Serial API allows web applications to communicate with compatible devices without requiring native software.

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