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...
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,...
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 ...