An ESP32/ESP8266 and SHT30 that together form a data logger that is accessed via a webserver and data is graphed via google Charts.
Put both files (ESP32_SHT30_SPIFFS_DataLogger_01.ino and credentials.h) in your sketch folder and modifiy the Wi-Fi access requirements (password and SSID) to match yours via the file tab in the IDE.
Monitor the Serial Port for the assigned IP address and connect to the server with http://IP/ e.g. http://192.168.0.5/