ZKTeco focus on Biometrics of fingerprint, face recognition, finger vein and iris recognition, provides products of time attendance and access control. Use this tag for questions about its SDK.
Questions tagged [zkteco]
117 questions
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2 answers
ZKTECO - SDK - SDANDALONE - ENROLL ONLINE
I cannot enroll face via C# application. I can enroll directly in the device and I can access the enrolled face using the function GetUserFaceStr. I could do fingerprint enrollment from c# application. But device not responding to face enrollment.…
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0 answers
Unable to connect to attendance device using TAD library how do i solve this problem
I am using TAD class php for connection to ZKteco attendance device. I tried a number of solutions and code but failed to connect with the biometric device.
I studied the tad library and applied the code I am sharing the connection file I have…
Abdul Shakoor
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1 answer
what is byte array of image?
CaptureImage(bool FullImage, ref int Width, ref int Height, ref byte Image, string ImageFile)
[Parameter]
FullImage
Whether to capture the entire image. Return True if the device captures the whole image. Return False if the device captures only the…
วรรธนัย พงษ์ธรรม
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access control using zkemkeeper.dll but not unlocking using #application.for zkteco c3-100 device
I'm using ACUnlock() function but its not working
if (axCZKEM.ACUnlock(iMachineNumber, iDelay)) {
axCZKEM.RefreshData(iMachineNumber);
...
}
It's not giving any error or exception but it's not unlocking.
Abdul Rehman
- 11
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0 answers
Insert Not Working After CardNo Update in PHP Zkteco
I am working with my biometric Zkteco using PHP languange I am using the following repository https://github.com/vodvud/php_zklib to create connected application into it. But I got some error in inserting user or copying data from biometrics A to…
Carl Angelo Nievarez
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1 answer
Is there a possibility to send open door event and read password from ZKteco RS485 rfid connected with C3-400
I am trying to write a customized program in C# to use ZKteco RFID and key password to create an access control system. simply I need to do two things:
1- Read RFID card or a password from the c3-400 (which is connected to RS485 reader).
2- Send a…
Wael Abed
- 101
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1 answer
How do I solve Connection problem using TAD class php
I'm using TAD class php for connection to a attendance machine but I tried so many solutions and codes but I failed can any one help me please.
This is for my attendance management system using php codeigniter now I am using a manual method for…
Haseeb khan
- 7
- 2
1
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1 answer
Zkteco Event Listener Not Working in ASP.NET Web Services Project
we are planning to develop ASP.Net webservices for methods provided in Zkteco SDK.
One of the web-service is to Connect to the device. After invoking "Connect_Net(string IPAdd, int Port)" method, the connection is successful, also in the method, we…
user3875039
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1
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1 answer
connect biometrics zkemkeeper using asp mvc?
i hope to all good.
So i'm working on Project using ASP.Net MVC by C# language and i want to integrate biometric fingerprint machine"ZKTECO model k30" after searching i found must using the zkemkeeper SDK but the SDK for windows application any…
Mahmoud Samy
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How can I fetch user photo from zkteco device?
i am using zkteco bio metric machine with c#. i fetched successfully Employee name and Enroll Number with the help of zkemkeeper.
Can anybody Guide me about how to grab employee photo from zkteco machine.
muhammad yaseenranta
- 31
- 2
1
vote
1 answer
CZKEM does not contain definition (zkemkeeper-related)
I am using the Standalone SDK from ZKTEco for a fingerprint scanner. I need to add some custom functionality.
I've downloaded the SDK along with the Demo project. Now when I try to build the Demo project, I get the following error
"Severity Code …
User ZKEM
- 11
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1 answer
Zkemkeeper.dll not working after deploying, Class not registered?
I am trying to integrate to ZKTeco bio-metric device with my web application. It's working absolutely fine but when I deploy application and try to connect with bio-metric device I get the following error:
Retrieving the COM class factory for…
Ashir K.
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1 answer
ZKTeco Biometric Device -10054 error on connection
Good day,
So I have a c# project that connects to the zkteco time & attendance unit (k30 is the device name)
Sometimes on random when trying to connect I get an error returned from the sdk code -10054
This is my code I use to connect
bIsConnected =…
T.S.G
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Connection ZKteco with my c# Application?
i have been using the ZKFinger SDk but that doesn't provide enough info.
5.3.4
`OpenDevice
[Function]
public static IntPtr OpenDevice(int index)
[Purpose]
This function is used to connect to a device.
[Parameter Description]
7
Index:
Device index…
ABJ4727
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0 answers
scan finger data from the ZKTeco 9500, trouble on getting the data , asp.net core api
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using libzkfpcsharp;
using System;
using System.Threading;
namespace API.Controllers
{
[Route("api/")]
[ApiController]
public class HomeController : Controller
{
…
SAR
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