单片机89S52的电子密码锁，具有修改密码、报警、密码输入移位闪烁-MCU 89S52 electronic lock with password changes, alarm, flashing the password input shift

通过单片机的P1口读取矩阵键盘信息，通过单片机处理显示在共阴极数码管上。当输入大于6位实现移位。密码正确指示灯亮-P1 port of the microcontroller reads the matrix keyboard, displayed in a common cathode nixie tube through the single-chip processing. Shift when the input is greater than 6. The password is co

密钥加密解密demo，对8位十进制密码操作，包含异或以及随机移位操作代码部分，基于STM32f407_RTC,可移植-Key encryption and decryption demo, to 8 decimal cryptographic operations, comprising XOR and random shift operation code section, based STM32f407_RTC, portable