I'm planning on rolling out a few hundred M5 Basics for a project, and I'm hoping to be able to offload as much of the grunt work as possible to the junior techs (lol). If I export my code as a .bin file, what's the easiest way to get them to flash it onto brand new units? I was thinking I could just make them a little bundle with the .bin, esptool, and a batch file for them to run. I don't want to have them install the Arduino IDE and give them the source, just in case someone accidentally entered some characters, or there was a library that changed.

If they could flash multiple simultaneously, that would be even better.

Thanks in advance!