RFID reader integration with web page [closed]

Answer 1

Many USB RFID readers can emulate keyboards, so they can be directly integrated with a web form without needing JS, Java, or ActiveX.

Answer 2

For this task i wrote Windows Service on C#, that listens for web sockets on localhost and listen usb port. Browser connect by WS, and reader handle event on browser through Windows Service

Answer 3

Have you tried checking Java? It might be possible with it. If you sign you Java applets they will be allowed to access local computer resources.
ActiveX is platform and browser dependent and speaking for myself I will never allow any website to install ActiveX content to my computer.

Answer 4

SpringCard provides a technical guide and a live demo for developing a web page communicating with a PC/SC reader using Java applet.

You will find it at the page, under Other resources, Java.