Create an ESP32-S2 webserver with HTML sliders
for e.g. USB MIDI control surface UI:

working example

Projects around the web

• CSS + Javascript sliders
• ESP32 Web Server (WebSocket) with Multiple Sliders: Control LEDs Brightness (PWM)
• How to Create a Web Server (with WebSockets) Using an ESP32 in Arduino
• ESP32-S2 fix for ESPAsyncWebServer
• Arduino ESP32-S2-Saola-1 web server using ESPAsyncWebServer and AsyncTCP
  Sketch was on the web page; hacked to replace Adafruit_NeoPixel.h with esp32s2LED.h
• ESP32 Asynchronous Web Server using Arduino IDE and ESPAsyncWebServer library
• A basic Arduino webserver app
• Slow webserver response?
    "The problem has been solved by adding a delay(1) in handleClient() or loop()"

GitHub:

• https://github.com/me-no-dev/ESPAsyncWebServer/issues/1054
• ESPAsyncWebServer
• ESPAsyncWebServer requires AsyncTCP
• ESPAsync_WiFiManager
• ESPAsync_WiFiManager_Lite
• AsyncTCP_SSL
  describes Multiple Definitions fix

Using developer version board manager - April 30, 2021

CameraWebServer example, run on ESP32-S2-Saola-1