1,326 questions
0
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93
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Zebra SDK execption RFID_API_COMMAND_TIMEOUT when trying to reconnect
I'm working to implement the version 2.0.4.192 of the Zebra SDK to scan RFID tags with RFD40 handheld and TC53 android phone.
When testing the SampleApp provide with the SDK if I remove and reattach ...
- 1
0
votes
0
answers
38
views
Mifare Ultralight C disconnects during 3DES authentication
I'm trying to implement authentication of Mifare Ultralight cards.
The first step of sending the auth command 1A 00 works well, I get the challenge AF + 8 bytes but when I send the solution AF + 16 ...
0
votes
0
answers
93
views
The connected device does not support RFID,ฺand Barcode or the Zebra RFID SDK is not properly initialized in android 14
The zebra123 plugin is designed to facilitate integration with Zebra devices, specifically for barcode and RFID functionalities. It provides a Flutter interface in not support android 12 But if the ...
- 1,447
0
votes
0
answers
27
views
Implementing Lock Feature After Writing to NFC Tag
I am currently facing an issue related to locking an NFC tag after writing data to it. By "locking," I mean making the tag's data read-only, so that once the data is written, it cannot be ...
1
vote
1
answer
138
views
Read data from RFID card reader connected to serial port
I am trying to read data from RFID card reader connected to serial port using javascript's Web Serial API. I was able to connect to my card reader but I am unable to read the data. The data is logged ...
- 11
0
votes
1
answer
127
views
How to setup USB Serial Device over dart/flutter?
I have an RFID Reader from a company called Metratec. I actually enjoy this reader very much and there is a detailed PDF and prewritten packages for Java, Python and .NET. Now I want to write my own ...
- 1
0
votes
0
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27
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apdu command always throws exception unspecified rfid error
// Step 1: Select the Visa payment application
try {
// byte[] aidVisa = new byte[] { (byte) 0xA0, 0x00, 0x00, 0x00, 0x03, 0x10, 0x10 };
byte[] ApduCMDVisa = new byte[] {
(byte) 0xA0, // ...
- 93
0
votes
0
answers
91
views
Printing RFID with zebra zd500r in a web project
I have a react project and I want to write rfid with zebra zd500r. I connect my printer via USB. I tried two ways to print, 1st way I tried printing using zebra's browserprint sdk. My function in the ...
- 13
0
votes
1
answer
76
views
When using two sensors at the same time in an embedded system, I want to prevent performance loss
Currently, I am using the mpu6050 and uhf rfid module simultaneously on the lolin d32 pro (esp32) development board.
MPU6050 has a sampling rate of 100hz. I hope RFID also has a sampling rate of at ...
- 11
0
votes
1
answer
645
views
How to Understand Access Conditions in Mifare Classic 1k
I am working with Mifare Classic 1K, and so far I have successfully inserted/updated data in each block using key A with default access byte FF0780.
I am trying to understand the documentation, but I ...
0
votes
1
answer
799
views
How do I print to an RFID label on a Zebra ZT411 printer?
I have been searching for hours... I found Zebra's RFID guide here: https://www.zebra.com/content/dam/support-dam/en/documentation/unrestricted/guide/software/rfid3-pg-en.pdf Not that it's very ...
-1
votes
1
answer
379
views
MIFARE Classic 1K How to locate the Value Block
Could someone help me identify the value blocks of a MIFARE Classic 1K card? I understand that the first 4 bytes contain the value in hexadecimal format, but I cannot identify which ones they are.
I ...
0
votes
2
answers
34
views
android parcelable cast crash release version
I am working on a flutter project that integrate RFID android pistol device to the application.
Using pigeon to communicate to native android api.
While debuging android studio at RFID device I ca ...
- 1,206
1
vote
0
answers
118
views
Issue with integrating GS1 API to Android application
I have a barcode scanner application in Android Kotlin but how can I integrate GS1 API into it so that when scanning any barcode then it will show the details about the barcode item from GS1 server. ...
- 23
0
votes
1
answer
112
views
HITAG2 tag with HTRC110
I am new to HITAG token types, and I am learning how to read them using the HTRC110 ABIC, I have a PCF7936 transponder token, from what I know, The HITAG protocol is reader speak first, so to be able ...
- 11
0
votes
1
answer
103
views
Unknown APDU command starting with 1x
the APDU commands I am sniffing do not match with any APDU I've ever seen while the anti-collision part seems to be showing the right commands.
I've been trying to sniff a tag-reader communication for ...
0
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0
answers
32
views
RFID 522 reader with RPi4 only reads sometimes
I have an RFID 522 reader connected with Raspberry Pi 4 and it only works sometimes. I followed the schematic from a tutorial and used the corresponding code. The reader works perfectly fine, detecing ...
- 1
0
votes
0
answers
895
views
RFID Reader gives only last 8 digits in decimal instead all 10 in HEX
I have two readers, an expesive reference one and the cheap ones that are being put into our devices.
The expensive one reads the RFID UIDs at 10HEX digits (40 bits) and the results are as I expect ...
0
votes
0
answers
123
views
Could you guide me on how to read tags with the Impinj M730 chip using the Zebra Android SDK?
We have developed an Android application using the Zebra RFID Reader SDK(https://www.zebra.com/us/en/support-downloads/software/developer-tools/rfid-sdk-for-android.html) to read RFID tags with the ...
- 35
0
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0
answers
295
views
Get AID from Debit/Credit Card using NFC
I just want to get AID from scanned debit/credit card, many apps are available on Google play store that easily gets the info on scan but i am unable to get the same. The purpose of getting the AID ...
1
vote
1
answer
239
views
The operation is not allowed on non-connected sockets. System.Net.Sockets
string DeviceTCPIP = "168.34.15.249";
string BackData;
string TextMessage;
int DevicePort = 5600;
void ReadCard()
{
this.threadListen = new Thread((ThreadStart)(() =>
{
...
- 13
0
votes
0
answers
50
views
How Can I Disabled my Keyboard only not the TextFormField in flutter
I want to Disable the Keyboard Because I am getting input from RFID Device. But I dont want to Disabled TextFormField. So Is there anyway to that work ??
Basically the TextFormField getting value from ...
1
vote
0
answers
418
views
Zebra RFID Integration Error: com.zebra.rfid.api3.OperationFailureException
Zebra RFID device after getting disconnected, I can not reconnect unless I charge Zebra device again and then use it. I'm getting this error:
D/RFIDAPI3Error( 3867): connected RFD850019240520100016
E/...
- 151
-1
votes
1
answer
502
views
How to re-write an nfc tag (rfid/microchip) which is READ-only
how to rewrite an nfc tag (microchip). when is scanned whith the NFC Tools app their characteristcs are:
Tag type: ISO 14443-4
Technologies available: TypeA, IsoDep
Serial number: XXXXXXXXXX
Size: 15 ...
- 1
-1
votes
1
answer
129
views
GEN2 RFID Can the User Memory Bank be read-protected [closed]
I'm looking for confirmation that it is NOT possible to read-protect the EPC, TID and User Memory banks on GEN2 RFID tags( they can only be write-protected). Only the Reserved Memory Bank, where the ...
