NFC
NFC模拟软件可模拟门禁卡 https://www.xzymoe.com/android-nfc-simulate/
Android使用NFC模拟M卡实现 (一) https://blog.csdn.net/guolongpu/article/details/84999457
Android使用NFC模拟M卡实现 (二) https://blog.csdn.net/guolongpu/article/details/84999563
Android使用NFC模拟M卡实现 (三) https://blog.csdn.net/guolongpu/article/details/85101466
NFC与门禁卡初探 https://blog.qzwlecr.com/2017/05/17/NFC与门禁卡初探
手机NFC模拟M1门禁卡 https://blog.csdn.net/nfser_burn7/article/details/88565287
NFC门禁模拟-教你用NFC手机模拟门禁卡 https://blog.csdn.net/u013863247/article/details/53813608
复制MIFARE Classic小区门禁卡记录 https://zohead.com/archives/copy-mifare-classic/
通过手机NFC功能实现门禁卡效果 https://www.xiazaiba.com/jiaocheng/5816.html
Android NFC Demo (1) - NFC Reader https://stevenocean.github.io/2019/03/05/android-nfc-reader-demo.html
Android NFC Demo (2) - Card Emulator https://stevenocean.github.io/2019/03/12/android-nfc-demo-card-emulator.html
GWallet using secure interface https://nelenkov.blogspot.com/2012/08/exploring-google-wallet-using-secure.html
安卓手机NFC模拟门禁卡(设置UID)的一种方法 https://cloud.tencent.com/developer/article/1423314
手机NFC卡模拟器 https://zhuanlan.zhihu.com/p/39722628