一、固件烧录

IO0接地后上电，进入烧录模式，烧录完成后去掉即可

二、参数配置

1、服务器端

AT+CWMODE_DEF=2
AT+CWSAP_DEF="ESP8266","12345678",5,3
AT+SAVETRANSLINK=1,"192.168.4.2",9090,"UDP",8080

2、客户端

AT+CWMODE_DEF=1
AT+CWJAP_DEF="ESP8266","12345678"
AT+SAVETRANSLINK=1,"192.168.4.1",8080,"UDP",9090

开机自动进入透传模式