ER301 NFC/Mifare driver in pure C#
A YouTube viewer found my old demonstration of ER301 anti-collision and asked if I could make the source code available. So I cleaned it up a bit and wrote this small blog entry about it. When I started tinkering with the unified Danish transit card about a year ago, it was using a cheap Ehuoyan ER301 NFC/Mifare reader which I got from ebay. This was the first time I played with NFC stuff even if I would since move on to other and better devices. The cool thing about the ER301 however, apart from the price, is that it's relatively easy to interface with. This is because it's using a plain virtualized serial port with native ( cp2102 ) driver available in Linux and even Windows. No software came with the ER301 reader but there was a download link at the ebay site. The software was very basic, and all examples revolved around a driver DLL for which the source code sadly was not provided. With the documentation in hand and tracing the traffic going over the serial int