ESP8266 and ESP32 with Din, Dout, Ain, (Aout) webserver
http://kll.engineering-news.org/kllfusion01/articles.php?article_id=132
default is ESP8266 in STA mode with fix ip 192.168.1.210
pls find in:
esp_control.ino
the compiler switches to enable ESP32 hardware and APmode software
//#define useESP32 // or disable with // for ESP8266
//#define useAP // or disable with // for STA
and the IP settings.