Mass Write SD Cards from ESP32 - Might be a useful trick someday

I had to flash 100 micro SD cards, so used an ESP32 to help automate this by uploading the files to SPIFFS first, then with a little code, write those files to the SD cards. And why not make a video about it, in case you also ever need to do something like this? SD Card Connections (Schematic): CODE: Thanks to all the Patrons for dropping a few bucks in the tip jar to help make these videos happen! Twitter: For inquiries or design services: