Foreword Because the laboratory has a long history and is all worked by hardware people, components, chips, modules, etc. are piled up in a mess in the laboratory. This obsessive-compulsive disorder patient is very uncomfortable, so I want to make a smart storage system, and I have a friend’s RC522 (the leftovers of the smart […]
Tag: rfid
RFID detection circuit design and stm32 driver
Table of Contents circuit code Tip: This code cannot be used after copying and pasting. There must be some small details that need to be paid attention to. It must be used with the RFID communication protocol for better results. circuit Let’s do a simple analysis of this circuit. The common IO of a microcontroller […]
The VbScript script Request obtains the parameter Response in the access file submitted by the RFID card reader using HTTP to drive the card reader to display and broadcast voice.
Equipment used in this example: RFID network WIFI wireless TCP/UDP/HTTP programmable secondary development card reader POE powered voice-Taobao (taobao.com) <%@LANGUAGE=”VBSCRIPT” CODEPAGE=”65001″%> <% Function bin2str(bindata) Dim rsStream, strls Set rsStream = Server.CreateObject(“ADODB.Stream”) rsStream.Type = 2 rsStream. Open rsStream.WriteText bindata rsStream.Position = 0 rsStream.Charset = “utf-8” rsStream.Position = 2 strls = rsStream.ReadText rsStream.Close Set rsStream = Nothing […]
Intelligent door lock design based on RFID-RC522
I learned STM32F103C8T6 some time ago, and I want to do some projects to consolidate the knowledge I have learned. I just have a fast RFID-RC522 in my hand, so I want to make a smart door lock. It took a lot of time to search for various materials for the project, and I would […]
Design of attendance counting system based on 51 single-chip radio frequency RFID card
1. Program description This design consists of STC89C52 microcontroller circuit + RFID module circuit + 1602 liquid crystal display circuit + button circuit + buzzer alarm circuit + power supply circuit. 1. There are 3 cards in the system, which respectively represent Zhang San, Li Si and Wang Er. 2. If anyone swipes the card, […]
Office system based on gec6818RFID
Directory foreword 1. Reading of high-frequency RFID cards 1. Module pin description: 2. Wiring method: 3. Data frame format of mifare522 module: ?Edit 4. Dataframe format for different commands 5. Serial port 1 initialization 6. The card reader ID code is as follows 2. LCD usage and principle 1. LCD introduction 2. Initialize the LCD […]
[STM32] STM32 uses RFID card reader
STM32 uses RFID card reader RFID card ID card (identity identification): the function is, for example, if you want to enter the student number, swiping the card is directly equivalent to entering the student number, eliminating the need for the input process IC card: integrated circuit card, which is to embed a microelectronic chip into […]
[MATLAB] RFID ASK modulation based on S-function
Directory Call user-defined S-Function.m file in MATLAB code Write S-function to realize ASK modulation Write S-function source files using MATLAB language Calling S-functions in Simulink Call user-defined S-Function.m file in MATLAB code 1. Add the S-Function.m file to the MATLAB search path. a. Use the addpath function in the MATLAB command window to add the […]
C++ uses the Yihuoyan RFID reader to load the library and use it for secondary packaging
Initial code The following code encapsulates the rf_init_com and rf_get_device_number functions, and by defining the Device class, these two functions can be automatically called when the class is instantiated, and the corresponding resources are released when the class is destructed. In the main function, instantiate the Device class to call the getDeviceNumber function to obtain […]
Arduino-based RFID door lock
【Arduino-based RFID door lock】 1 Overview 2. How RFID works 3. RFID and Arduino 4. Arduino RFID Door Lock Access Control Project 5. Source code In this tutorial we will learn what RFID is, how it works and how to make an Arduino based RFID door lock. You can watch the video below or read […]