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
7
votes
2 answers
Biometrics Fingerprint is giving somebody else's information
I have this Biometrics, but it gives me the completely wrong output - the different userid and the verify date at year 2132.
What can be causing such wrong information?
I couldn't find any similar problem on Internet. Does anyone else have…
Bap mop
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7
votes
6 answers
Biometrics device ping becoming failed after sometime
I have ZKTeco Biometrics device which is connected with a C# windows application using This tutorial (C# ZKTeco Biometric Device Getting Started).
It is working fine but after sometime, my application becoming failed to ping the device. As below…
Muhammad Faizan Khan
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5
votes
1 answer
Does zkteco have a web API?
I am trying to build a java application which will fetch the data of zkteco biometric.
Does zkteco have a built-in API ?
If not, how can I connect to zkteco to a java app?
Nothing
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4
votes
1 answer
ZKTeco merge 3 finger print C# with ZKFingerSDK
I have been working on a small application to get fingerprints after 3 scanned. I used the ZKFingerSDK and when trying to get the register finger prints it brings the image back as black. I am using the ZK9500 device
if (RegisterCount >=…
Rikus
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3
votes
1 answer
I want to store Zk4500 fingerprint reader template in k50 biometric attendance machine both are from zktecho
I want to store Zk4500 fingerprint template in k50 biometric attendance machine . I am using java for zk4000 scanner and python for communicating with attendance machine(k 50).
public void onAccept(){
if (count == 1){
…
Muzamil
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3
votes
0 answers
How to get user photo from zkteco?
im doing an app in c# using a biometric device.
From the device I already can get the id,time,date,etc... But I didnt found a way to get the photo and the name and I know its possible.
Ive been searching for a while and i found a similar question…
Rubs Bieira
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3
votes
1 answer
Why does my app works on my computer but not on others
im doing an app in c# windowns form that register the entries of the employees with a biometric device. I did a setup and send to my other computer to test if it would work on another device. Everything works fine except the functionalities that…
Rubs Bieira
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3
votes
1 answer
Error in Importing "Interop.zkemkeeper.dll" to WCF Service
I have "WCF Service Application" which is .net framework 4.6.1. I need to add "Interop.zkemkeeper.dll" as a reference. but when I added this as reference to the WCF service and when service stated it shows following error on the browser.
"Server…
Sajith Dushmantha Samarathunga
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3
votes
3 answers
Zkteco SDK Function to Change User Status
I have worked with ZKTECO Biometric machines before but now i need an extra feature which i didn't find in existing ZKTECO SDK. Is there any extension in SDK so that i enable or disable user from a machine while the information of user is still in…
Kamran
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3
votes
2 answers
Unable to connect to zkteco fingerprint and attendance device using C#
I am trying to retrieve data from an attendance device of model number IN01 of ZKteco. I registered the zkemkeeper.dll file for x64 bit operating system. I have written a piece of code to connect it to c# application, but unfortunately it is not…
Hacked user
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2
votes
0 answers
Setting up ZKTeco ZK8500 (ZK9500) fingerprint scanner in Python
I am working on a Python project that includes using Images taken by Fingerprint scanner and processing them. I am currently using ZKTeco ZK8500(ZK9500) that is provided with C SDK library. But i have very little knowledge in C/C++ and to be honest…
Vertigo
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2
votes
1 answer
ZKteco SDK open/close a specific door (Access-Control device)
The application ZKAccess-3.5 has the ability to enumerate doors, and open or close the selected door.
The sdk has this incomplete API:
VARIANT_BOOL ACUnlock(LONG dwMachineNumber, LONG Delay);
VARIANT_BOOL GetDoorState(LONG MachineNumber, [in,out]…
MuaazH
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2
votes
0 answers
Problem on installing ZKTECO linux SDK: cannot run build.sh
I tried to install ZKTECO Linux SDK on my ubuntu 20.04
It shows an error when running build.sh
/usr/bin/ld: warning: ../lib/x86/linux-64/libzksensorcore.so, needed by ./lib64/libzkfv.so, not found (try using -rpath or -rpath-link)
/usr/bin/ld:…
2
votes
2 answers
System.DllNotFoundException: 'Unable to load DLL 'libzkfp.dll': The specified module could not be found. (Exception from HRESULT: 0x8007007E)'
I installed ZKtecoFingerprint SDK and I'm trying to run the demo of this SDK but I got this exception!
System.DllNotFoundException: 'Unable to load DLL 'libzkfp.dll': The specified module could not be found. (Exception from HRESULT:…
user14743092
2
votes
1 answer
upload finger print from scanner to device zkteco
I want to upload fingerprint from zk9500 to actual device, i'm using this library https://github.com/vodvud/php_zklib/ the author is stuck at in line 72 so am i.. solution in php, nodejs or c# would be accepted thanks..
here is my code:
$byte1 =…
nabb
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