New ESP32 version using rotary push button switch. See https://www.thingiverse.com/thing:4613446 for details. There is a switch in the .h file to add support for exFat (SDXC media) which will support SD cards > 32GB. This library is needed: https://github.com/greiman/SdFat
See MagicImageWand for the very latest version of this project.