B4R Question RDM6300 RFID Card Reader - Mostez    Jul 18, 2016 Hi,
I'm making an RFID reader using RDM6300 UART RFID reader. This module has no real trigger out signal, it has LED output signal following card number stream. I had to use this signal to... B4R Question Need Help For Wemos D1 R1 + RDM6300 - Roozbeh (first post)    Mar 12, 2021 problem solved after adding C codes.
https://www.b4x.com/android/forum/threads/additional-hardware-serial-ports.67150/... B4R Question XOR array elements - Mostez    Jan 25, 2024 I receive hex string from RFID module RDM6300 representing card data, I want to calculate the checksum as shown in attached file and compare it with the checksum sent from the card,
this event is raised when hex string is received, the Buffer array holds 14 bytes:
private Sub ReadRFID(Buffer... B4R Question 'NumberFormat' rounding problem - Mostez    Aug 16, 2018 Hello; I read RFID tags by RDM6300 module, everything went fine years ago, but recently I've got strange error. I send tag number to serial port. I use NumberFormat to format tag number in 10 digits. the problem: this tag number '0009040399' rounded to '0009040400'. listed some read tags with no problems; i noticed that the tag number starts with '90' unlike others! here is the code i use to read tags private Sub ReadRFID(Buffer() As Byte) Dim tmpBuffer (8... B4R Question ESP32S, ArrayCopy error - Mostez    Jan 30, 2021 the sub below reads RFID card number from RDM6300 module, and displays the number on OLED display, I used this code with arduino and leonardo with no errors, i made some modifications to run it on ESP32S, when I use ArrayCopy or ArrayCopy2 I get the error below I used this simple loop to copy the array, and it worked OK, I don't know is that a bug or my code needs modifications? For X = 0 To BufferLast.Length - 1 ' no erros with this solution, array copy or array copy2... B4A Question how to put a sub in a object - Erel (first post)    Apr 5, 2020 Please use code here... tags when posting code.
code_rdm needs to be a class.
pb.Tag = "NbrTotalPIDToSynchro")
CallSub(code_rdm, pb.Tag)
... B4J Question Dynamic Query (NextReports - MySQL) - keirS (first post)    Sep 23, 2017 Which RDMS are you using?... B4J Question making a big application - keirS (first post)    Sep 14, 2019 It really depends on what you consider large. I work on a non B4J app which is an ERP system. That's approx 1 million lines of code, 450 forms and 750 reports. In the enterprise world that's a medium sized application. This is not a client server application as it uses a file based RDMS. I have no doubt it's possible to re-write this in B4J. But I would be spending a couple of months writing a framework that included a CRUD code generator, form generator and custom views which... B4J Question tableview and horizontal scrollbar - electro179 (first post)    Jun 25, 2014 When I do this : TableView_Main_Rdm.Items.Set(index,row)... B4i Question upload app to Apple Store - electro179    Dec 21, 2015 : ERROR ITMS-90171: "Invalid Bundle Structure - The binary file 'RDM Report.app/main.o...:59.759 altool *** Error: Errors uploading 'RDM Report.ipa': ( "Error Domain... - The binary file 'RDM Report.app/main.o' is not permitted. Your app can\U2019t contain standalone...: \"Invalid Bundle Structure - The binary file 'RDM Report.app/main.o' is not permitted. Your...-90171: \"Invalid Bundle Structure - The binary file 'RDM Report.app/main.o' is not... Page: 1   2   3   4   |