I have a problem with remaining headers. Can't seem to find the first header "RtcUtility.h". Anyone how to fix? I've provided a picture for you to see.
Arduino: 1.8.10 (Windows 7), Board: "NodeMCU 1.0 (ESP-12E Module), 80 MHz, Flash, Disabled, All SSL ciphers (most compatible), 4M (no SPIFFS), v2 Lower Memory, Disabled, None, Only Sketch, 115200"
sample_time:6:24: error: RtcUtility.h: No such file or directory
Multiple libraries were found for "ArduinoOTA.h" #include
Used: C:\Users\user\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.2\libraries\ArduinoOTA ^
Multiple libraries were found for "Wire.h" compilation terminated.
Used: C:\Users\user\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.2\libraries\Wire Multiple libraries were found for "ESP8266WiFi.h" Used: C:\Users\user\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.2\libraries\ESP8266WiFi Multiple libraries were found for "ESP8266mDNS.h" Used: C:\Users\user\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.2\libraries\ESP8266mDNS exit status 1 RtcUtility.h: No such file or directory
This report would have more information with "Show verbose output during compilation" option enabled in File -> Preferences.