Ultralight C, Smartcardio and ACR122
Incredible, I post the problem and looking for again a solution I found the solution. Naturally, the APDU Command is wrong. The command is: FF:00:00:00:04:D4:42:1A:00 ...
How to get RFID tag from ACS122U NFC
In order to get UID you have to send an APDu command. Please download the datasheet given at link : acr-122u datasheet In that, check 4.1 Get Data below this, Get UID APDU format, FF CA 00 00 00 UPDATE : Follow the steps: APDU command : 0xFF, 0xCA, 0x00,...
node-hid not showing all USB devices
node-hid is a library to access USB HID devices from node.js. HID.devices() will therefore only list USB HID devices and not just any USB device. The ACR122U is a CCID (USB class for smartcard readers) and not a HID (USB class for human interface devices) device. Consequently, it cannot be...