Build options changed, rebuilding allArchiving built core (caching) in: C:\Users\USER\AppData\Local\Temp\arduino_cache_576329\core\core_esp8266_esp8266_generic_xtal_80,vt_flash,exception_disabled,stacksmash_disabled,ssl_all,mmu_3232,non32xfer_fast,ResetMethod_nodemcu,CrystalFreq_26,FlashFreq_40,FlashMode_dout,eesz_1M64,led_2,sdk_nonosdk_190703,ip_lm2f,dbg_Disabled,lvl_None____,wipe_none,baud_115200_48b296997591f90274bbc18f930e8592.axtensa-lx106-elf-gcc: error: libraries\TridentTD_Linenotify\TridentTD_Linenotify.a: No such file or directoryMultiple libraries were found for "TridentTD_LineNotify.h"Used: C:\Users\USER\Documents\Arduino\libraries\TridentTD_LinenotifyNot used: C:\Users\USER\Documents\Arduino\libraries\TridentTD_LineNotify-masterexit status 1Error compiling for board Generic ESP8266 Module.จาก Error ดังกล่าวติดอยู่ที่ TridentTD_Linenotify.a ไม่พบไฟล์นี้ และมีปัญหาที่ มีการลง Library ซ้ำ Multiple libraries were found for "TridentTD_LineNotify.h"ทางร้านแนะนำว่าให้ลบที่เคยติดตั้งออกให้หมดแล้ว ติดตั้งแบบ zip จาก github โดยตรงก็จะสามารถใช้งานได้ ครับ 

Arduino: 1.8.5 (Windows 10), Board: "Generic ESP8266 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, dtr (aka nodemcu), 26 MHz, 40MHz, DOUT (compatible), 1MB (FS:64KB OTA:~470KB), 2, nonos-sdk 2.2.1+100 (190703), v2 Lower Memory, Disabled, None, Only Sketch, 115200" Build options changed, rebuilding all Archiving built core (caching) in: C:\Users\USER\AppData\Local\Temp\arduino_cache_576329\core\core_esp8266_esp8266_generic_xtal_80,vt_flash,exception_disabled,stacksmash_disabled,ssl_all,mmu_3232,non32xfer_fast,ResetMethod_nodemcu,CrystalFreq_26,FlashFreq_40,FlashMode_dout,eesz_1M64,led_2,sdk_nonosdk_190703,ip_lm2f,dbg_Disabled,lvl_None____,wipe_none,baud_115200_48b296997591f90274bbc18f930e8592.a xtensa-lx106-elf-gcc: error: libraries\TridentTD_Linenotify\TridentTD_Linenotify.a: No such file or directory Multiple libraries were found for "TridentTD_LineNotify.h" Used: C:\Users\USER\Documents\Arduino\libraries\TridentTD_Linenotify Not used: C:\Users\USER\Documents\Arduino\libraries\TridentTD_LineNotify-master exit status 1 Error compiling for board Generic ESP8266 Module. This report would have more information with "Show verbose output during compilation" option enabled in File -> Preferences.