采用kiel环境进行开发，用按键输入密码，如果和初始密码相同则提示正确，发出开锁信号，否则发出错误提示，如果错误三次则15秒内禁止输入-Using kiel environment for development, with the key for a password if you are prompted and initial password are the same right to issue unlock signal, or sounds an error, if the error is three times within 15 seconds inhibit input