技术标签: Arduino 文档阅读笔记 RFID RC522 RFID工作原理 RFID(Radio Frequency Identification):无线射频识别 RFID由2个部分组成:应答器/标签被贴在某个物体上的东东。无线接收器用于读取应答器/标签上的数据。 读卡器由频射模块及高平磁场组成。Tag/应答器为待感应设备,此设备不包含电池。他只包含微型集成电路芯片...
欢迎大家光临我的个人博客:http://www.chenjingjiu.cn,大家一起交流学习 准备工作: 将树莓派与MFRC522模块按下图连接。 树莓派的引脚图如下: MFRC522引脚的连接如下: 具体实现: 1.Putty连接树莓派,然后输入raspi-config 2.选择interfacing Options 3.开启I2C和SPI 4. 安装树莓派3B+的SPI接口支持库 sudo ......
Some are soldered with wrong/low quality capacitors or fake/defect mfrc522. Please consider buying several devices from different suppliers. So the chance of getting a working device is higher. If you got a bad board and you can tell us how to detect those boards (silk, chip description,...
Arduino - RFID/NFC INTERNET OF THING (IoT) LIBRARIES Do the similar steps as the above, and then tap one by one tag on RFID-RC522 module. The result on Serial Monitor looks like below: COM6 Send Tap RFID/NFC tag on reader Authorized Tag 2 Authorized Tag 1...
Working frequency: 125KHz/13.56Mhz (Optional) Working temperature: -45℃~+85℃ Readable number of times:> 10000 times Detecting distance: 0-5cm Material: Silicone Power supply mode:passive card Service life: > 10 years Characteristics: Waterproof, moisture-proof and vibration-proof ...
INTERNET OF THING (IoT) LIBRARIES Tap several RFID/NFC tags on RFID-RC522 module See UID on Serial Monitor COM6 Send Tap RFID/NFC tag on reader RFID/NFC tag Type: MIFARE 1KB UID: 3A C9 6A CB RFID/NFC tag Type: MIFARE Ultralight or Ultralight C UID: 04 64 34 5A 1E 4E 80 ...
These lines are crucial as failing to clean up can prevent other scripts from working correctly. finally: GPIO.cleanup()Copy 4.Once you have finished writing in your script, it should look something like below. #!/usr/bin/env pythonimportRPi.GPIOasGPIOfrommfrc522importSimpleMFRC522 reader =...
MIFARE Classic 1K Card ISO14443A 13.56MHZ RFID Work With RC522 Arduino - 200pcs 5.0 3 ReviewsColor: WHITEProduct sellpoints Customization: Yes,Tailor your cards with custom printing, making them unique for your business or personal use. Contours: ISO Card,Following ISO standards, these cards fi...
who sell mfrc522 boards. The quality of these boards are extremely different. Some are soldered with wrong/low quality capacitors or fake/defect mfrc522. Please consider buying several devices from different suppliers. So the chance of getting a working device is higher. If you got a bad ...
ensuring its longevity and adaptability to various conditions. Whether you're working on a project in a cold warehouse or a hot outdoor environment, this module is designed to withstand the test. **Efficient Power Management** Efficiency is at the heart of the RFID Module RC522 Kit. It oper...