Members of ESP32.com forum will recognise Neil Kolban as one of its more prolific commentator and posters. As well as his great contributions to the forum he has also put together a great book on the ESP32 hardware and software. He constantly reviews and keeps it up to date so its a bastion of ESP32 knowledge. You can find a copy here:
I’ve been playing around with the ESP32 modules I got last month. Getting ESP32 working with Arduino IDE was pretty easy (see link below). I’ve now on to harder things, getting the ESP32 SDK and Eclipse installed.
Here’s a few links to ESP32 sites I’ve found useful: