ardxp.ino is an empty template. To use it you will need to figure out the datarefs and commands that your interface needs and add code to subscribe to datarefs, send new dataref values to X-Plane, or ...
Today I learned that WiFi and Bluetooth LE could NOT be used simultaneously on Arduino boards featuring the ESP32-based u-blox NINA-W102 wireless module, impacting the Arduino Nano RP2040 Connect, ...