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Visual Basic .Net | Arduino RFID RC522 with VB Net Interface using MySQL Database | Coding 

Uteh Str
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Visual Basic .Net | Arduino RFID RC522 with VB Net Interface using MySQL Database | Coding | Step by Step. In this project video I use Visual Studio 2015, XAMPP, Arduino IDE and MySQL Connector/NET 8.0.15 .
Download source code (VB) here : drive.google.com/open?id=12Li...
Download source code (Arduino) here : drive.google.com/open?id=10co...
For the design see here : • Visual Basic .Net | Ar...
If you don't really understand the MySQL database connection with VB Net, you should watch the tutotrial video first. Look here : • Visual Basic .Net | XA...
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For other video tutorials on this channel, please see this playlist:
- Basic4Android (B4A) Tutorials : • Basic4Android (B4A) | ...
- Electronics Tutorials : • 3 LED Flip Flop
- Arduino Tutorials : • Arduino | Scrolling Te...
- Great Cow Basic Tutorials : • Great Cow BASIC with A...
- Bascom Avr Tutorials : • Bascom Avr | How to Se...
- VB .NET Tutorials : • Visual Basic .NET | ...
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Download Visual Studio : www.visualstudio.com/
Download XAMPP : www.apachefriends.org/index.html
Download MySQL Connector Net : dev.mysql.com/downloads/conne...
Download Arduino IDE : www.arduino.cc/en/Main/Software
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Reference :
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16 мар 2019

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Комментарии : 562   
@andrivie579
@andrivie579 3 года назад
di saat chanel lain penuh permintaan codingnya mana bisa kirim email di chanel ini semua sdh terjawab mantap anda bung ...saya cuma bisa appresiasi lonceng share subscribe and like bisa nya cuma sampe segitu....maju terus semangat
@utehstr
@utehstr 3 года назад
Terima kasih untuk share, subscribe dan like-nya 🙂.
@adlnrsnza2698
@adlnrsnza2698 4 года назад
Thanks a lot. This video is very helpful to complete my project 👍
@utehstr
@utehstr 4 года назад
You're welcome :-)
@leonardobird
@leonardobird 3 года назад
So amazing. Thanks
@aldrinbabano3589
@aldrinbabano3589 3 года назад
Thank you so much for this idea, this vid help us on our project 🥰
@utehstr
@utehstr 3 года назад
You're welcome 🙂
@olivesevilla2643
@olivesevilla2643 2 года назад
Hi! Have you finished the project? Can I ask you a few questions?
@katratah08
@katratah08 4 года назад
you should subscribe in this channel.. this guy is a life saver!
@jeanleonardz
@jeanleonardz 4 года назад
Work! Thanks!!!
@utehstr
@utehstr 4 года назад
You're welcome :-)
@hamedpourgholy779
@hamedpourgholy779 4 года назад
thank you very much sharing this video.
@utehstr
@utehstr 4 года назад
You are welcome :-)
@jokarjapan
@jokarjapan 3 года назад
Great job , live,s hand
@rocojodel5291
@rocojodel5291 2 года назад
Thank you for this project sir, it works now I have last one to do which is to connect this project into temperature so it can be use for this pandemic. post another video of this with temperature sensor codes
@carmelabeltran7748
@carmelabeltran7748 2 года назад
hi, may i know how did you open the source code? I cannot open the file.
@johnfrancissalazar3426
@johnfrancissalazar3426 2 года назад
you need winRAR to open it
@carmelabeltran7748
@carmelabeltran7748 2 года назад
@@johnfrancissalazar3426 when i tried to open it, it says that the file has an unknown format or damaged. how do i solve that?
@mohamedaitmouali895
@mohamedaitmouali895 2 месяца назад
you are a genius man thanks bro
@utehstr
@utehstr 2 месяца назад
👍🙂
@andreamariealingog1034
@andreamariealingog1034 Месяц назад
May I get the full system
@alexpampam3905
@alexpampam3905 3 года назад
Thank you so much
@utehstr
@utehstr 3 года назад
You are welcome :-)
@calvinjackpot929
@calvinjackpot929 2 года назад
Thank you sir, this tutorial help me a lot to pass my studies.
@utehstr
@utehstr 2 года назад
You're welcome 🙂
@1s_and_0s
@1s_and_0s 11 месяцев назад
Tank you for share
@utehstr
@utehstr 11 месяцев назад
You're welcome 🙂.
@joshikara8941
@joshikara8941 4 года назад
Thank you
@utehstr
@utehstr 4 года назад
You are welcome :-)
@hamidhamouchi4437
@hamidhamouchi4437 5 лет назад
Great Job !! You're awsome :D Thanks for sharing _______________ Can you make a video about " create a menu with Arduino, LCD display (16x2 or 20x4) and buttons (for scrolling in menu)" Thank you so much Uteh Str, you're wonderfull. Have a nice day !!
@utehstr
@utehstr 5 лет назад
Thank you :-) You are welcome :-) _____________ I'll make it later, that's a good idea, thank you :-)
@hamidhamouchi4437
@hamidhamouchi4437 5 лет назад
Thank you @@utehstr ^_^
@yogeshitaliya473
@yogeshitaliya473 5 лет назад
😍😍😍😍😍
@yonamwakanyamale1320
@yonamwakanyamale1320 4 года назад
The project is awesome. Can you list all the hardware you have used in this project?
@utehstr
@utehstr 4 года назад
Thank you :-) See at 24:29 List of all hardware used in the video: - Arduino Uno - RFID RC522 - RFID Card / Keychain (this is usually included with the RFID module) - Dupont Jumper Cable (for connecting RFID modules with Arduino Uno)
@benoitletellier6378
@benoitletellier6378 5 лет назад
Thank you for your helpfull video. Could you share the entire visual studio solution ? the source code only contains one .vb file.
@sylvesteralelele9497
@sylvesteralelele9497 11 месяцев назад
Interesting work. Thanks for sharing
@utehstr
@utehstr 11 месяцев назад
You're welcome🙂.
@altamaskhan8838
@altamaskhan8838 10 месяцев назад
Plzzz sir say something in your video what u done steps by steps ❤️
@jagarzon65
@jagarzon65 3 года назад
Gracias por el aporte, un saludo desde Medellín, Colombia. Agradezco el trabajo de poder usar el recurso compartido
@henokteferaayele9326
@henokteferaayele9326 3 года назад
it is a great tutor. can you please tell me how to add a column on mysql in vb to take the attendance.
@hippoteam1573
@hippoteam1573 2 года назад
Hi Sir, your source code Arduino IDE, it only read the RFID, if I code more than (control servo, light, etc.), does the project work well?
@vsnetwork7103
@vsnetwork7103 Год назад
Sir it is possible to use fingerprint sensor instead of RFID?
@ogunleyeopeyemi2939
@ogunleyeopeyemi2939 10 месяцев назад
Hello sir…. I’ve downloaded the source code but I can’t find the UI write up you followed in the part 1. Please help me with this!
@pratiksalunke3910
@pratiksalunke3910 4 года назад
Sir you are great❤❤❤ I want to ask you a question. If my pc is shut down. Can the attendance is saved ?
@utehstr
@utehstr 4 года назад
Thank you :-) This project is not about attendance. But you can modify it for that. Because using Database, of course, the attendance can be saved if your PC is shut down.
@pratiksalunke3910
@pratiksalunke3910 4 года назад
@@utehstr sir please explain in detail
@asepmulyana9085
@asepmulyana9085 2 года назад
Bisa diaplikasikan untuk aplikasi ATM beras menggunakan EKTP 👍
@utehstr
@utehstr 2 года назад
👍🙂
@Marksx
@Marksx 2 года назад
Hello, good afternoon, I did the steps as in the tutorial and when starting the program, when I go to registry I get an error "connection failed please check the server is ready". I have mysql and apache started, and the code is fine but I don't know what it can be, please I need your help
@rocojodel5291
@rocojodel5291 2 года назад
i have the same problem.
@watoryuk2502
@watoryuk2502 2 года назад
Everything works perfectly, the app even recognized and connected to my arduino but my arduino refusing to send data to app for some reason.
@FabianFlorezColombia
@FabianFlorezColombia 4 года назад
The Dising File [form1.vb (desing)] where can i find??? .. ty
@thoughtyloud1471
@thoughtyloud1471 4 года назад
Hello @uteh Sir this week I will make similar system of yours, I just want to say thank you in advance. And also you should put a bank account for some other guy to donate hehe now a days free is hard to find.
@utehstr
@utehstr 4 года назад
You're welcome :-) Hopefully the system you made is successful. If you are interested in donating I will tell my bank account 😁
@spaceofconfort1751
@spaceofconfort1751 4 года назад
Sir please how can i programme a code that can save the time and date that the personne are pointed ?
@finnanprasla
@finnanprasla 2 года назад
Hello, sir does this visual basic system apply to fingerprint system I know I need to apply the fingerprint library on Arduino but just to confirm me it will work for it or not and also the database is connected in my system but while clicking on registration and edit user it shows the error of server is not ready so what I can do so it will work. Please help me out. 😊
@kevinsolera2220
@kevinsolera2220 2 года назад
sir the image preview does not display any image what could be the problem?
@priscillapoh6173
@priscillapoh6173 3 года назад
Hi. may i know how to preview the scanned data for record purpose?
@sirdanny1449
@sirdanny1449 3 года назад
Hi! I experienced an error in setting up the Arduino RFID, which shows Firmware version = 0x0. How do I fix this? Thank you!
@kevinsolera2220
@kevinsolera2220 2 года назад
sir when i go on the user data and scanned the tag is says id not registered but i already registered it how can i fixed this sir ?
@ManongSatabi
@ManongSatabi 2 года назад
Sir does this also works for ACR122U rfid scanner?
@abeljosephaugis1966
@abeljosephaugis1966 Год назад
gud day sir, wen i click the "click to browse image" the program will close. how to fix it?
@samsulbahridapurwebsite
@samsulbahridapurwebsite Год назад
request mas... pemanfaatan rfid untuk alat pembayaran dg database mysql.... ada fitur top up dan bayar, cek saldo
@Alhugen
@Alhugen 4 года назад
Awesome! thank you very much! Can I use alternatives to Visual Basic? Do I have to use that or can you suggest a different software/ide? I have Mac computer, and have some IDEs, if I can avoid installing visual studio it could be nice for hd space :D
@utehstr
@utehstr 4 года назад
Thank you :-) If to follow as in the video you must use Visual Basic Net. Although actually this application can also be built using C# on VS or even with another programming language or another IDE. But for now I can only build this application using VB. I don't have enough experience about Mac computers, so I can't suggest alternatives VB on Mac. Maybe you can ask this in Mac forums.
@Alhugen
@Alhugen 4 года назад
@@utehstr thank you anyway! :)
@utehstr
@utehstr 4 года назад
@@Alhugen You're welcome :-)
@Alhugen
@Alhugen 4 года назад
@@utehstr hey man, what about VSCode? It is a lighter editor, do you know if it has all the features you used to build the project, like the GUI etc? :)
@utehstr
@utehstr 4 года назад
@@Alhugen as far as I know VSCode is only a code editor, if you want to build a GUI with VSCode you might need an external extension, because VSCode doesn't have the tools to design a GUI. I have no experience about that. Try searching for information about it in the VSCode forum.
@abdoukhadre.
@abdoukhadre. 3 года назад
Please can i get help i can not find in my toolbox the Serialport ? How can i do now...
@tarekoudir215
@tarekoudir215 2 года назад
Thanks for sharing the the application .I have one question . Iam trying I put the mysql user ans the password . I execute the code and I click on connection button in the window form , the code is jumping to the error box connection failed , everything is running the user is correct and the password also , I dont know why ? By analyzing the error I find the following error in the windows event viewer : "Aborted connection 76 to db: 'unconnected' user: 'unauthenticated' host: 'localhost' (This connection closed normally without authentication)" Now Iam blocked and I cant continue , can you maybe help me ?
@nanakwabena2850
@nanakwabena2850 4 года назад
Please how may I include code to capture the time a student swiped rfid card into database
@musicman7923
@musicman7923 Год назад
Is there any getting solution with it, i have a project with RFID, can any help me to create it?
@expressmoonenjoyer3667
@expressmoonenjoyer3667 2 года назад
sir can the collection of data be offline or does it still need an internet connection?
@utehstr
@utehstr 2 года назад
This project only requires serial usb communication.
@tianefreefireph.8155
@tianefreefireph.8155 4 года назад
Hello sir, can i add more input data like course, school year ?
@basangsisiwtv2756
@basangsisiwtv2756 4 года назад
sir help how to code if the time is A:M show message goodmorning in label then if PM show message goodafternoon
@hokki2183
@hokki2183 4 года назад
Its cool, can make it using local web server?
@utehstr
@utehstr 4 года назад
I have not tried it using a local web server, but later I will try it.
@numbnuts5922
@numbnuts5922 3 года назад
Sir, where can i find the extension that you use to connect the sql?
@utehstr
@utehstr 3 года назад
Which extension do you mean?
@arianemegnie4098
@arianemegnie4098 2 года назад
j'ai vu les liens mais je parviens pas à télécharger le code
@jumbo999614
@jumbo999614 3 года назад
please do another tutorial using RDM6300 or RDM630 rfid. I have dozen of 125 mhz tag cards which rc522 can't read.
@cuizonjohnnyt.6188
@cuizonjohnnyt.6188 2 года назад
sir can you help me about this System.ArgumentNullException: 'Value cannot be null.Parameter name: PortName
@fixelterbo
@fixelterbo Год назад
Can I do this in Visual studio 2010 Ultimate?
@msc-be2dz
@msc-be2dz Год назад
Please, do you know anyone who explains how he wrote code? Because I need to know.
@divaldodasilva772
@divaldodasilva772 4 года назад
Sir can i add led and servo ? how can i add at arduino code?
@expressmoonenjoyer3667
@expressmoonenjoyer3667 2 года назад
sir can you add a temperature sensor in this database?
@chandansona8488
@chandansona8488 2 года назад
Awaiting for your responce
@jordanleon5194
@jordanleon5194 2 года назад
Hi, sir. I have a problem: error al abrir puerto COM5 (PORT BUSY)
@mahmad1283
@mahmad1283 2 года назад
Sir how can we implement this in android studio?
@wawaindy8572
@wawaindy8572 3 года назад
Do you have programs to get temperature through serial port from devices with vb.net?
@utehstr
@utehstr 3 года назад
Check it out here: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-Fytsv9YOcuE.html
@ngocphunguyen4870
@ngocphunguyen4870 2 года назад
MySQL vs 8.0.26 can't connect sever. Please help me sir
@Mangtebe1
@Mangtebe1 3 года назад
Ijin untuk dijadikan Skripsi Pak 😅
@JebenOvajIgrac
@JebenOvajIgrac 3 года назад
the essence of all this is in the code "serialport1.ReadExisting();"
@Ahmedms632
@Ahmedms632 5 лет назад
Thank you for this helpful video if you don't mind, could you please tell me ho i can run this APP without these boxes: 1 image 2 user image 3 Image Preview i don't want my APP with image so, if you can tell me the code line related to those above
@utehstr
@utehstr 5 лет назад
You are welcome :-) Delete all pictureboxes, the database does not need to use the image column, delete the image part of the communication code with the database.
@wildanhanif4543
@wildanhanif4543 5 лет назад
Kalo error' di viewdata is not declered gmna? Saya cari" view data nya gak ada
@richmigga7443
@richmigga7443 4 года назад
Can this be use without arduino? I bought a rfid reader. How to integrate this program with the rfid reader?
@utehstr
@utehstr 4 года назад
Learn how the RFID reader you buy sends the data, then change and adjust the program.
@adelrahali3240
@adelrahali3240 3 года назад
I need this project please ,can upload the whole code for the design ?
@n1wrad
@n1wrad 4 года назад
Hey thank you for the tutorial, is it possible for you to make another tutorial in which you add a servo motor? If the RFID is already registerd then the servo motor will open, but if the rfid is not registered the servo will not open. Thanks
@utehstr
@utehstr 4 года назад
You're welcome :-) I might make it later :-)
@n1wrad
@n1wrad 4 года назад
@@utehstr Thank you in advance!!!
@thanawatrueang-im5496
@thanawatrueang-im5496 4 года назад
hello sir I have a problem I want to know how to delete data in data grid view plss sir
@lzLoFiBoy
@lzLoFiBoy 4 года назад
Could you create an example of how to login to the program using rfid? I'm finishing my course work and I need something like this, and I didn't find results on the internet, if you can record a video about it I'll be very grateful
@utehstr
@utehstr 4 года назад
I will make it later when I have free time :-)
@kraken3821
@kraken3821 3 года назад
Sir, Good day. I have a question. Very important. which part of the "VB.Net" program is the reading of the "RFID" ? I can't seem to find the code.
@utehstr
@utehstr 3 года назад
Look in the "TimerSerialIn" sub.
@kraken3821
@kraken3821 3 года назад
@@utehstr Thank You Sir.
@utehstr
@utehstr 3 года назад
@@kraken3821 You're welcome :-)
@temuleta
@temuleta 3 года назад
Sir how can I send data to serial port, I want to save some data on the RFID tag. Your code is great for reading 👍👍👍
@utehstr
@utehstr 3 года назад
Sorry I don't understand what you mean, can you explain in more detail.
@patrickjohnocampo839
@patrickjohnocampo839 3 года назад
@@utehstr I think he wanted to write or input a data to RFID tag
@temuleta
@temuleta 3 года назад
@@patrickjohnocampo839 yes
@younlai8702
@younlai8702 4 года назад
Why? , Click_to_browse不是RFID_Arduino_User_Data.My.Resources的成員 ( erro) help me please ! Thank you !
@utehstr
@utehstr 4 года назад
I have explained this problem in the "Read Me.txt" file.
@rehanperera5265
@rehanperera5265 Год назад
can anyone tell me what is the hardware equipments used for this project?
@jankookaminsky757
@jankookaminsky757 11 месяцев назад
Arduino Uno + RFID reader module
@eilironvillaara6334
@eilironvillaara6334 2 года назад
sir how about in installing in java
@kraidark1951
@kraidark1951 3 года назад
@Uthe Str I cannot connect to the server idk why, in my phpmyadmin server name is localhost:3307
@safwansaad0.0
@safwansaad0.0 4 года назад
sir the image i browse cannot be save..i already save the image in jpeg format
@utehstr
@utehstr 4 года назад
Are there any error messages ?
@rifqirohmatullah4550
@rifqirohmatullah4550 5 лет назад
setiap manggil My.Resource pasti "Is not member" apakah di My Project harus di tambahkan resource1 nya mas?
@utehstr
@utehstr 5 лет назад
Kamu harus lihat dulu bagian disain UI-nya, link videonya ada di deskripsi video.
@muhdhumaidi3019
@muhdhumaidi3019 4 года назад
sir... why i get some errors like this 'Click_to_browse' is not a member of 'RFID_Arduino_User_Data.My.Resources' and 'LabelConectionStatus' is not declared. It may be inaccessible due to its protection level.. i'm still beginner.. plss sir
@utehstr
@utehstr 4 года назад
'Click_to_browse' error because you have not entered the image file in Resources, see here ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-2_56ZoYVpUI.html at 44:04 'LabelConectionStatus' is not declared because you haven't added the label or you haven't changed the label name, see here ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-2_56ZoYVpUI.html at 9:47
@gabrielvincentabarra9309
@gabrielvincentabarra9309 3 года назад
How can you add the person's time and date of input
@WitneyChristian
@WitneyChristian Год назад
Good morning. Were you able to add this to your code?
@RanjeetKumar-dx7yv
@RanjeetKumar-dx7yv 4 года назад
how do i get those written script in notepad of size locations etc.
@utehstr
@utehstr 4 года назад
I made the script written in notepad myself. I made the project first before making this project video, so I took all the scripts from the previous project.
@tuagmarson9042
@tuagmarson9042 2 года назад
about your video, I need help, how to count the presence of teachers from a badge, for a month or more
@homerbacanto8682
@homerbacanto8682 5 лет назад
When i try to run the project i get 5 errors. It says 'click_to_browse' is not a member of RFID_Arduino_Users_Data_GUI.My.Resources. Can you help me find out what im doing wrong? Thank you for the video
@utehstr
@utehstr 5 лет назад
That's because files with the name click_to_browse are not available in Resources. In the video above click_to_browse is an image file. Have you not seen the video part of the design, see here: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-2_56ZoYVpUI.html see at minute 44:11. For more details, you must see the design video first.
@warrenmiranda4943
@warrenmiranda4943 4 года назад
Hi sir, can I translate the code you provided in java and build it with java environment ? Would it work ? Thanks
@utehstr
@utehstr 4 года назад
I don't whether it will work or not, I have never tried it. Maybe you can try it.
@chandansona8488
@chandansona8488 2 года назад
Pl guide me where I have to change
@haikalsani2318
@haikalsani2318 3 года назад
saya dh siap buat tapi kat bahagian register keluar pop up "connection failed please check the server is ready" mcm mna sya nk solve ?
@utehstr
@utehstr 3 года назад
Pastikan bahwa MySQL dan Apache pada XAMPP sudah dijalankan.
@jebaldinbuenaventura7959
@jebaldinbuenaventura7959 3 года назад
the tutorial didn't teach Msgbox and serialport from toolbox so I can't finish the project. please help
@franciscojavierrincontoto473
@franciscojavierrincontoto473 2 года назад
me sucedio lo mismo. es por que seguro escogiste "formularios de windows" cuando debia ser "formularios de windows .net framework"
@siddhusubbu
@siddhusubbu 4 года назад
My friend one stupid question! Can I link my external server database with this project? I mean go dady server instead of local host?
@utehstr
@utehstr 4 года назад
I don't know about that, I have never tried it. Maybe you can try it.
@siddhusubbu
@siddhusubbu 4 года назад
Dear friend where do the pictureboxinput (userimage) are stored? According to my understanding! database can’t save the images?
@siddhusubbu
@siddhusubbu 4 года назад
Uteh Str thank you for your reply!
@utehstr
@utehstr 4 года назад
@@siddhusubbu Of course the user's image is stored in a database along with other data.
@RajnishDubey1988
@RajnishDubey1988 4 года назад
@@utehstr Yes, very much possible. You need to define correct data type for Images.
@datneanimation2336
@datneanimation2336 3 года назад
Is your idea give data from rfid tags data to .net to phpmyadmin ? how to give my data to phpmyadmin directly ? Thanks. Nice video
@utehstr
@utehstr 3 года назад
Sorry I don't understand your question, can you explain in more detail.
@anitasupramaniam1552
@anitasupramaniam1552 4 года назад
hi sir..first tq for u kode... bila run and touch the card ...it can detect the card ....at registration it say.connection failed...please check you the server is ready... i already do as u say run apache and mysql at xampp..then run vb..but still tis error
@utehstr
@utehstr 4 года назад
You are welcome.... Have you written the database name and table name correctly in the VB code ? Have you installed MySQL Connectors?
@hancy5584
@hancy5584 Год назад
VB file for your "design" is not included in your link sir. Can I have the file sir thank you. Btw great video.
@utehstr
@utehstr Год назад
See here for the UI design: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-2_56ZoYVpUI.html
@rehanperera5265
@rehanperera5265 Год назад
@@utehstr can you please tell me what is the hardware equipments used for this project?
@utehstr
@utehstr Год назад
@@rehanperera5265 Hardware equipments : - Arduino Uno - RC522 RFID Reader Module - RFID card or keychain. - Jumper cables.
@yasminbanu762
@yasminbanu762 4 года назад
Bro I need the total project files
@arianemegnie4098
@arianemegnie4098 2 года назад
besoin du code s'il vous plait
@sugarglider7387
@sugarglider7387 4 года назад
hello, i want to ask some questions.. 1. should we connect to the internet for get database in visual basic from phpmyadmin? because in my visual basic when you run it in 'datagridview1' section there is no database appears. I hope you read and answer my question😯 Thankyou anyway😊
@utehstr
@utehstr 4 года назад
Hello... It doesn't have to be connected to the internet. Have you ever made a VB project with MySQL ?
@sugarglider7387
@sugarglider7387 4 года назад
@@utehstr no, this is my first time.....can you help me to figure that out?
@utehstr
@utehstr 4 года назад
@@sugarglider7387 If you have never created a vb project with mysql you should first create the project so you can understand. See the tutorial here: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-ajd2Y1AZqeE.html
@Game-kz4ec
@Game-kz4ec 26 дней назад
Why it says "failed to connect arduino not detected"
@Darckdempsey
@Darckdempsey 4 года назад
hi, I have a problem with (CombBoxBaudrate.SelectedIndex = 3) the value is not valid for SelectedIndex
@utehstr
@utehstr 4 года назад
How many baudrate values did you put into CombBoxBaudrate ?
@leslieortega547
@leslieortega547 4 года назад
pero I had that problem, I think I need to place the values ​​inside properties (9600 ... etc etc), well it worked for me, I hope and it serves you
@rafaelnunezjimenez288
@rafaelnunezjimenez288 4 года назад
Hello sir, great videos, i think i'm asking too much! is it possible to connect to MySql Database using ENC28J60 Lan Module and Optical Fingerprint Reader Sensor Scanner Module?
@utehstr
@utehstr 4 года назад
Hello... Technically, I think of course it can be done. But sorry for the more detailed way I can not answer it, because I have never used that module.
@rafaelnunezjimenez288
@rafaelnunezjimenez288 4 года назад
@@utehstr thanks, ill try!
@utehstr
@utehstr 4 года назад
@@rafaelnunezjimenez288 You are welcome :-)
@paulinevuyelloh2738
@paulinevuyelloh2738 2 года назад
I can add info to database but when I use the RFID Tag it's refusing to retrieve the data saying "ID not registered, please go and register"
@paulinevuyelloh2738
@paulinevuyelloh2738 2 года назад
Can u help me Sir
@rawanamr2002
@rawanamr2002 Год назад
Did you find a solution?
@zick2202
@zick2202 5 лет назад
failed to load database unable to cast object of type 'System.DBNull' to type 'System.Byte[]'. how to fix it?
@utehstr
@utehstr 5 лет назад
From the code where did the error message come out?
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