Tiny Planet is small device connected to a GSM cell phone. When the mobile receives a predefined SMS (text message), like "Activate burglar alarm" or "Start backup pump", the circuit automatically recognizes it as a command, and switches the output p

采用AT89C2051单片机，晶振11.0592MHZ，通讯速率19200，采用TTL串口通讯 手机号码缓存在28H-33H的内存中 短信内容缓存在48H-57H的内存中 短信中心的号码存放在58H-63H的内存中 密码"车辆报警"存放在64H-73H的内存中 手机号码存放在74H-7F的内存中 P1.0为手机开关机控制端 P1.1为串口接收模块数据OK P1.2为解防/设防控制端- AT89C2051 microcontrol

蓝牙防丢器，当手机与蓝牙模块超过一定距离时，手机自动报警。-Bluetooth prevention device, when the mobile phone with bluetooth module exceeds a certain distance, mobile phone automatic alarm.