On 5 September 2017 Google released the new WebUSB API as part of Chrome 61. In the past the only way to connect to USB devices from a web app was to build a Chrome App with the chrome.usb (and associated chrome.serial and chrome.hid) libraries. With Chrome Apps being deprecated, this is not an option anymore. Now WebUSB gives us the option to write real web apps that can connect to USB devices without having to install anything!

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Gerrit Niezen

Maker of software and hardware

Device engineer @ Tidepool.org

Wales, UK