How to realize EPS32 Displays Wireless Communication with ESP-NOW

👉 The video how to use the esp now protocol to realize esp32 wireless communication also with GUI.
    The 2.1-inch knob screen is based on the esp32S3 module and has a rotary encoder. It can control its brightness by rotating it and control the 7 inch screen by wireless connection. The two devices use the same UI interface and communicate wirelessly through the esp now protocol. The protocol uses WIFI communication. The 2.1-inch knob screen is the master and the 7-inch screen is the slave.
    The development uses ARDUINO IDE and the esp32 ARDUINO 3.03 version development kit.  💯