How to use the ESP32S2 mini LOLIN WEMOS Mini
Because it has no power LED or Serial Converter to eat up power Because it breaks out a lot of IO pins Because it is cheap and simple
Open framework.ino Create credentials.h #Loading code the first time: In board manager select LOLIN s2 Mini USB CDC on boot: ENABLE PSRAM Enabled
Press and hold Button 0, press and release RST, release Button 0 Port will appear Select port and download framework.ino
GP00 is button
GP15 is LED_BUILTIN
Deep sleep current with regulator is 40uA at 5v
Current with wifi is about 100mA
Analog Vref is 1.1V
https://www.studiopieters.nl/esp32-s2/