webusb Questions
2
I'm trying to use a card reader (https://www.ewent-online.com/tcpdf/pdf/ew/p/EW1052/) to read a Health Card.
This is the code (copy-pasted from the official doc: https://developers.google.com/web/...
Zamia asked 27/2, 2019 at 16:57
8
Solved
We recently upgraded our Windows 10 test environment with ChromeDriver v87.0.4280.20 and Chrome v87.0.4280.66 (Official Build) (64-bit) and after the up-gradation even the minimal program is produc...
Workhouse asked 30/11, 2020 at 20:27
2
I am trying to allow a POS web app to print directly to a StarMicronics (or any receipt printer, for that matter) using the Chrome webusb API.
I am using the example here almost exactly except I h...
Vigilante asked 6/11, 2017 at 18:9
2
Solved
I am trying to communicate with usb device using WEBUSB API. BUT when I am trying to claim Interface it shows
"DOMException: Unable to claim interface"
the bConfigurationvalue is 1 and interf...
Baroness asked 7/12, 2017 at 12:26
1
Solved
Is it within the scope of the WebUSB API (drafted there) to be able to use PC/SC devices such as Smart Card readers, perhaps under the assumption they are CCID-compliant (many are close to that and...
4
Anybody had successfully configured webusb to scan a document ? I am able to connect to the usb scanner but wasn't able to find any documentation on commands to scan documents :
$lsusb -v
Bus 00...
Fusil asked 7/1, 2018 at 10:53
1
Solved
I want to use an USB HID from a website. The website will only be accessed by Chrome browsers. The solution should require a minimum amount of extra software and setup for the website user to work....
Bunche asked 11/4, 2020 at 23:45
1
Solved
I'm trying to use the WebUSB api with Chrome 67. The following code was working a month ago. I'm not sure if something is changed or if I missing something. The error I'm getting now is occurring w...
Danu asked 29/5, 2018 at 19:55
0
I'm trying to write a web application which needs to exchange messages with a local Smart Card.
Currently I'm trying to use WebUSB API to connect the Chrome with the smart card reader, but I...
Preamble asked 9/4, 2018 at 18:42
2
Solved
In a project I'm trying to use the WebUSB API available in Chrome to print using a Zebra LP2844 printer.
I succeeded on OSX without issues and eventually on Ubuntu and on ChromeOS thanks to this p...
Zulema asked 2/3, 2018 at 23:21
1
Solved
I'd like to use WebUSB to read and write files to a flash drive, or better, write arbitrary bits like unix's dd. Is this possible, or is only serial-like communication supported?
Royo asked 7/3, 2018 at 23:3
0
I'm trying to read NFC Tag UID by utilizing external USB NFC Reader acr122u and WebUSB API
I'm able to authorize USB device, turn off/on buzzer, change led color etc.,
but unable to read Tag UID.
...
Expiable asked 25/11, 2017 at 12:28
2
Solved
I am developing a javascript library to perform smart card operations using the CCID protocol over chrome webusb API. Everything goes well when I plug the smart card reader on Linux and MacOS, howe...
Ornamented asked 12/9, 2017 at 14:51
1
I'm trying the new Chrome WebUSB API, but can't see any connected device.
Tried this for example, with different USB devices connected to my Windows 7 PC:
<html>
<body>
<button o...
Provided asked 8/9, 2017 at 20:59
1
I'm trying to use Google Chrome webUSB api to access a card reader connected to my computer via USB.
Following the instructions here, everything is okay up until I try to claim the interface which...
Standford asked 5/8, 2017 at 8:47
1
Solved
I was wondering if anyone had any experience getting RFID readers to work through WebUSB. The reader I'm using is the https://www.parallax.com/product/28340 .
From what I've read, I'd have to writ...
Infanta asked 17/7, 2017 at 19:11
1
Solved
Running Chrome 56.0.2924.76 (64-bit) on Windows 10 PRO Version 1511 (OS Build 10586.753). Have enabled experimental-web-platform-features on chrome, running it with flag --disable-webusb-security a...
Cupronickel asked 26/1, 2017 at 15:24
1
After obtaining access to an attached device using navigator.usb.requestDevice I'm trying to open a connection with an attached device as follows:
device.open()
.then(() => device.selectConfig...
Ericerica asked 6/12, 2016 at 13:45
1
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