4. AT command control code routine...........................................................................................................................16
4.1 Query configuration information...................................................................................................................16
4.2 Serial to wifi client (static ip address)...........................................................................................................17
4.3 Serial to wifi server (dynamic ip address).....................................................................................................18
4.4 Restore factory settings.................................................................................................................................19
4.5 Configuration software description...............................................................................................................19
5. Upgrade Introduction .............................................................................................................................................. 20
5.1 Introduction of Serial Port Upgrade Method ................................................................................................ 20
5.1.1 Open Serial Port upgrade Software .................................................................................................... 21
5.1.2 Start to upgrade .................................................................................................................................. 21
5.2 Introduction of Network upgrade methods ................................................................................................... 21
5.2.1 Router Connection ............................................................................................................................. 22
5.2.2 Lookup module ip .............................................................................................................................. 22
5.2.3 Program upgrades .............................................................................................................................. 22
6. Restoration of factory setting method ..................................................................................................................... 23
7. Appendix A document revision ............................................................................................................................... 26
