Dr. Maxie Dion Schmidt

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The latest pull request #322 merged yesterday still has the same problems with the Omnikey and ACR-122 readers. For reference, binary builds of the DESFire-dev firmware I used to log...

Great news! I have had success getting the Chameleon DESFire tag recognized with the recent changes in [this development branch of my fork](https://github.com/maxieds/ChameleonMini/blob/ExternalUSBReadersCompat/Doc/DESFireSupportReadme.md#compatibility-with-external-usb-readers-and-libnfc) (pull request to be filed very soon):...

There are a few changes to the source code in PR #323 since the last post. I am attaching the most recent build of the DESFire and DESFire development firmware...

@wupalogic So instead of transferring the data over the wireless RFID/NFC hardware, you want the same data forwarded to your computer over the USB port on the Chameleon? You would...

Does this concern a particular ``CONFIG``, or is it something that would be handled in the codec code?

@lvandenb You can test this new functionality out in the latest commit to my local testing branch (linked in #313). Pardon my expression, but as a software person, I am...

Ok. I think I'm understanding what could be happening. If you look [at this code](https://github.com/maxieds/ChameleonMini/blob/DESFire-AuthISO-Patch/Firmware/Chameleon-Mini/Application/DESFire/DESFireISO14443Support.c#L283), the ISO14443A state gets reset periodically. This will cause the stored last data frame size...

@lvandenb I am traveling this week. I hope to get my PM3 in the mail to bring back with me before I leave. I will try to figure out what's...

@ lvandenb Thanks for the helpful suggestions. I am going to order a PM3, the Omnikey 5022CL, and most likely a TWN4 to do testing. When it all arrives, I...

@Ivandenb I am looking at ordering [this version of the Elastec device](https://www.tme.com/us/en-us/details/t4bt-fb2bel4/rfid-modules-and-readers/elatec/twn4-multitech-2-lf-125khz/?brutto=1&currency=USD). It is listed as operating at 125KHz. Is the Chameleon actually capable of transmitting over that frequency?