OTP 即一次性口令相比于原来的远程认证系统有着更好的安全性 ,OTP one-time password that is compared to the original remote authentication system has better security

适合使用NUVOTON nuc501 做开发的参考。-The NUC501 is an ARM7TDMI-based MCU, specifically designed to offer low-cost and high-performance for various applications, like interactive toys, edutainment robots, and home appliances. It integrates the 32-bit RISC CPU w

erlang书籍源码，适合初学者，非常好用，otp框架和通用服务器(Erlang books source code, suitable for beginners, very easy to use, OTP framework and general server)