I've done it with an ESP-8266 but can't find any articles on how to do it with an ESP-32. I'm working with an ESP-32 on my own PCB, not a dev board. I exposed:
I'm pretty sure I can use a standalone programmer but I was expecting to be able to do it with an Arduino. Is that possible? ...if it's super difficult to do like setting up a toolchain and all that I'd rather just spend $10 and get a programmer.