(มือใหม่ครับ) พยายามลอง ต่อ Wifi ไม่ได้มี error แบบนี้หมายความว่ายังไงครับ

Arduino: 1.8.15 (Windows 10), Board: "NodeMCU 1.0 (ESP-12E Module), 80 MHz, Flash, Disabled (new aborts on oom), Disabled, All SSL ciphers (most compatible), 32KB cache + 32KB IRAM (balanced), Use pgm_read macros for IRAM/PROGMEM, 4MB (FS:2MB OTA:~1019KB), 2, v2 Lower Memory, Disabled, None, Only Sketch, 115200"

In file included from C:\Users\User\Documents\Arduino\libraries\ESP8266WiFi\src/ESP8266WiFi.h:39,

from C:\Users\User\Documents\Arduino\libraries\ESP8266WiFi\examples\WiFiScan\WiFiScan.ino:6:

C:\Users\User\Documents\Arduino\libraries\ESP8266WiFi\src/WiFiClient.h:89:10: error: conflicting return type specified for 'virtual size_t WiFiClient::availableForWrite()'

89 | size_t availableForWrite();

| ^~~~~~~~~~~~~~~~~

In file included from C:\Users\User\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.1\cores\esp8266/Stream.h:27,

from C:\Users\User\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.1\cores\esp8266/HardwareSerial.h:32,

from C:\Users\User\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.1\cores\esp8266/Arduino.h:288,

from sketch\WiFiScan.ino.cpp:1:

C:\Users\User\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.1\cores\esp8266/Print.h:80:21: note: overridden function is 'virtual int Print::availableForWrite()'

80 | virtual int availableForWrite() { return 0; }

| ^~~~~~~~~~~~~~~~~

Multiple libraries were found for "ESP8266WiFi.h"

Used: C:\Users\User\Documents\Arduino\libraries\ESP8266WiFi

Not used: C:\Users\User\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.1\libraries\ESP8266WiFi

exit status 1

Error compiling for board NodeMCU 1.0 (ESP-12E Module).



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