These are on-going notes I have for the Lolin32 Lite board.
Specs and graphic: https://mischianti.org/esp32-wemos-lolin32-lite-high-resolution-pinout-and-specs/
Flashing the Board
- Plug in device
- Start flash, wait for the Arduino ide to report 'Connecting'...
- Connect the EN pin to GND briefly using a wire or something
- The thing starts to flash!
Source: https://github.com/espressif/arduino-esp32/issues/2516#issuecomment-648088588