密码柜使用单片机C程序，能够实现密码柜的按键上锁与解锁功能，并且支持密码的设定，安全可靠，采用特殊密码算法，使得外人不易请以破解。包含仿真电路与keil程序文件。-Password counter the use of single-chip C program can be password cabinet key lock and unlock features, and support for password setting, safe and reliable, using a spe

C语言，抗积分饱和的PID算法，模拟测试，直接运行看效果。-C language, integral saturation of PID algorithm, simulation test, run directly to see the effect.