The SPIFFS filesystem is used to store files in the flash chip. This library provides a virtual file system (VFS) implementation of SPIFFS to Arduino ESP32. In a nutshell it can acts like a SDcard but ...
init(): Use this in the switch (wakeup_reason) in default: Make it the first entry, so you can use the last function for Battery Voltage. Now includes corrections for the DS3231 and includes detection ...