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Language: Visual Basic
2230 reads
Im back again this time i will show how to use RFID Reader in VB6
Currently im developing Loadable E-Pass System for a confidential client and i want to share some of of codes regarding RFID and VB6.
These is pretty straight forward i used MSCOMM (serial library in .NET) component in order to read /write buffer connected to PC's serial/usb port.
This is done by using the oncomm() event in order to read all the buffers send by the RFID interface without using the timer control.
Private Sub MSComm1_OnComm()
Dim strinput As String
strinput = MSComm1.Input
Text1.Text = Text1.Text & strinput
strinput = HexIt(strinput)
List1.AddItem strinput
End Sub
Then the data will convert by the function HexIt
for more info please download the sample project
Happy coding
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- 2230 reads
RUNTIME ERROR '8020'
Private Sub MSComm1_OnComm()
Dim strinput As String
strinput = MSComm1.Input
Text1.Text = Text1.Text & strinput
strinput = MSComm1.Input ===> RUN TIME ERROR 8020 "ERROR READING FROM THE DEVICE..
waaaah!!
hehehe..trick lng, demo lng
hehehe..trick lng, demo lng yan, u can request for the full working project,
wink, wink,
regards,
emond
programmer/analyst-consultant
Motorola XR400 RFID reader
Hi, Sir... I am now doing a RFID based library project using a motorola XR400 RFID reader. The communication between and the reader is using the UTP crossover cable.. The problem I facing now is that how to interface the program written with the reader? I also confuse whether using C++ or visual basic is better? Can sir help?
email me for your
email me for your requirement, hope i can help you,
regards,
emond
programmer/analyst-consultant
Sorry to go off TOPIC
SIR,
I liked your code, thanks it worked for me.
I trying to develop a mobile phone backup system (nokia-phone) application in vb6.0.but i've to detect,send and download data from a usb-connected phone. how can i go about this. pliz help(some source code or tutorials).
Thanks in advance
kimbsan
send to
(student)
help nmn..
ung code ba na binigay mo connected agad un sa rfid device? wla na ibang gagawin?
yup, but change the setting
yup, but change the setting according to your RFID reader,
emond
programmer/analyst-consultant
my RFID reader is plug and attach to USB port
sir , can you tel me, hw do i interface this device with VB.net....so dat after reading the tag it should display tag number on vb form....plz tell d coding part.
thanks
pls email
pls email me
dark_raditz0825@yahoo.com
emond
programmer/analyst-consultant
sir i just want to ask if
sir i just want to ask if your program is applicable to HID readers........
interface between RFID Reader and vb
sir.i want to ask for your help,how to interface between RFID Reader and VB..
i have no idea in this situation.
thank you..
RFID is just like barcode
RFID is just like barcode readers, some are Plug and play and there are some come with drivers.
In my sample program i used RFID from a local distributor and it is unsing the pc serial port. In order to communicate with the reader to VB you need the to add a component (Mscomm control)..
Download the sample code and you can see the logic.
emond
programmer/analyst-consultant
Mscomm control
how can i find Mscomm control?
u mean add component(Mscomm control) in visual basic component?
thanx
yes , press CTRL+T
yes , press CTRL+T
emond
programmer/analyst-consultant
Mscomm control
if there is no MSComm Control in my VB library,how to add to the library?
my RFID is a plug and play using usb port
sir,i tried to use your source code but it compiled an error because the component used is only for the pc serial port..
what component must i use for the usb port?and what are the changes on the source code?thank you in advance sir.
Macoy
marxism_mt@yahoo.com
code
i also have download your RFID code but error occured at form load..
"PortOpen"
why this is happen?
how to interface RFID Reader with visual basic?
sir..i want to ask how about to interface between RFID Reader and visual basic.
how to display at the pc after RFID Reader read the RFID card?
thank you..
if your reader supports
if your reader supports serial supports connectivity then download this sample program.
emond
programmer/analyst-consultant
Time Lock?
sir is it possible to lock the time that im getting from the windows?
kc sir need ko ma lock ung time para di mabgo ung oras pag log in ng employee.. my iba pa po bang way o location san ako makakakuha ng time sa v.b proj. na hndi galing sa windows..xe iinstall ko ung program sa guest lang eh baka baguhin nung administrator ung oras po..tnx sir hope for ur reply..
pwede kumuha via database din
pwede kumuha via database din pero system clock parin ng pc...
or hook mo pagkuha sa time via a remote pc na di maaaccess ng administrator...
sir nagkakaruntime error 5 ung HexIt function
sir bakit ganun? nagkakaruntime error ung HexIt function?
anu pong solution dun?
thanks po...
Thank your sir!
after reinstalling vb6.0..ok na po un code using
e-gizmo rfid reader.Thank you sir
you're always welcome dude.
you're always welcome dude. goodluck to your project ....
emond
programmer/analyst-consultant
error
run-time error '5',
invalid procedure call or argument sir un lumlabas the if i click debug
poin t po d2 sa code na to
HexIt = Mid$(HexIt, 1, Len(HexIt) - 1)
ano kaya kaya problem sir?when the rfid reader is connected ito un error
thanks for your reply
this is out of the subject
do you know how to add checkboxes using visual basic and then save the item to the database? I'm so lost and not sure who to ask
do you have RFID reader?
do you have RFID reader?
emond
programmer/analyst-consultant
error
sir, there is an error
HexIt = Mid$(HexIt, 1, Len(HexIt) - 1)
do u have RFID reader? tnx
do u have RFID reader?
tnx
emond
programmer/analyst-consultant
e-gizmo rfid reader
meron sir,un Hexit function nag eerror if nakaka connect un rfid reader from e-gizmo.tnx
ah okie, RFID from e-gizmo
Public Function HexIt(stext As String) As String
Dim a As Long
For a = 1 To Len(stext)
HexIt = HexIt & Hex$(Asc(Mid(stext, a, 1))) & Space$(1)
On Error Resume Next
DoEvents
Next a
HexIt = Mid$(HexIt, 1, Len(HexIt) - 1)
End Function
emond
programmer/analyst-consultant
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