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[Embeded-SCM Develop] RFID DL : 0: 利用射频卡读写基站U2270B实现对EM4100卡的读取控制。系统会自动对曼彻斯特编码进行解调，并对接收到的数据检验。同时系统会自动检测是否有射频卡存在。而且会实时监控系统运行的状态，并会提示各种读卡错误的信息。显示采用12864液晶，没有附上液晶源码。-The use of radio frequency card reader U2270B realize base stations on the EM4100 card reader control. The system will automatically Manchester code demodulator and the received data verification. At the same time, the system will automatically detect whether there has RF card. But also real-time monitoring of system operation status, and will prompt all kinds of readers the wrong message. 12864 LCD display used, there is no source attached LCD.
Date : 2026-01-02 Size : 3kb User : chb
[Embeded-SCM Develop] RF-ID_SHEMATIC DL : 0: U2270B组成的读卡头原理图!典型应用电路-U2270B reader, composed of the first schematic! Typical application circuit
Date : 2026-01-02 Size : 653kb User : 星夜浪人