开锁代码为2位十进制并行码。

当输入的密码与锁内的密码一致时，绿灯亮，开锁；当输入的密码与所内的密码不一致时，红灯亮，不能开锁。

密码可由用户自行设置。

密码可由七段数码管显示出来。

-The design is based on the VHDL language, using the MAX+ plusII parallel electron two locks design, and design process described in detail. VHDL language used to conduct electronic code lock design enables simple and intuitive design, fast implementation of established function. Electronic locks at the security of property protection has an important role in a very broad application prospects. The electronic locks used in parallel two decimal password, when the input password with the password lock consistent with, the green light, unlock　when the input password with the password lock is inconsistent, the red light, should not become disengaged. Password Lock user password can be set up.