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  • Getting Started With ESP8266(LiLon NodeMCU V3) Complete Guide for IoT Startup With Example(as Server)

    These Errors are coming. what to do?In file included from C:\Users\Sanu Rahman\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.0/tools/sdk/lwip2/include/lwip/opt.h:51:0, from C:\Users\Sanu Rahman\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.0/tools/sdk/lwip2/include/lwip/init.h:40, from C:\Users\Sanu Rahman\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.0\cores\esp8266/IPAddress.h:27, from C:\Users\Sanu Rahman\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.0\libraries\ESP8266WiFi\src/ESP8266WiFi.h:31, from C:\Users\Sanu Rahman\Documents\Arduino\NODE_MCU_SERIAL_MONITOR\NODE_MCU_SERIAL_MONITOR.ino:1:C:\Users\Sanu Rahman\AppData\Local\Arduino15\packages\esp8266\hardw...

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    These Errors are coming. what to do?In file included from C:\Users\Sanu Rahman\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.0/tools/sdk/lwip2/include/lwip/opt.h:51:0, from C:\Users\Sanu Rahman\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.0/tools/sdk/lwip2/include/lwip/init.h:40, from C:\Users\Sanu Rahman\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.0\cores\esp8266/IPAddress.h:27, from C:\Users\Sanu Rahman\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.0\libraries\ESP8266WiFi\src/ESP8266WiFi.h:31, from C:\Users\Sanu Rahman\Documents\Arduino\NODE_MCU_SERIAL_MONITOR\NODE_MCU_SERIAL_MONITOR.ino:1:C:\Users\Sanu Rahman\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.0/tools/sdk/lwip2/include/lwipopts.h:1301:2: error: #error TCP_MSS must be defined #error TCP_MSS must be defined ^C:\Users\Sanu Rahman\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.0/tools/sdk/lwip2/include/lwipopts.h:2381:2: error: #error LWIP_IPV6 must be defined #error LWIP_IPV6 must be defined ^C:\Users\Sanu Rahman\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.0/tools/sdk/lwip2/include/lwipopts.h:3534:2: error: #error LWIP_FEATURES must be defined #error LWIP_FEATURES must be defined ^In file included from C:\Users\Sanu Rahman\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.0\libraries\ESP8266WiFi\src/ESP8266WiFiSTA.h:29:0, from C:\Users\Sanu Rahman\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.0\libraries\ESP8266WiFi\src/ESP8266WiFi.h:34, from C:\Users\Sanu Rahman\Documents\Arduino\NODE_MCU_SERIAL_MONITOR\NODE_MCU_SERIAL_MONITOR.ino:1:C:\Users\Sanu Rahman\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.0/tools/sdk/include/user_interface.h:34:2: error: #error LWIP_OPEN_SRC must be defined #error LWIP_OPEN_SRC must be defined ^exit status 1Error compiling for board NodeMCU 1.0 (ESP-12E Module).

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