ESP32-to-ESP32 Simplex Communication via ESP-NOW

ESP-NOW protocol is used to allow ESP-32 controllers to communicate in simplex mode.
Link to code:
akuzechie.blogspot.com/2021/0...
Contents:
0:00 Introduction
0:29 ESP-NOW Protocol Specs
1:21 Circuit Diagram
2:25 Demonstration
2:46 C++ Sketch of Transmitter
4:55 C++ Sketch of Receiver
6:13 Future Project: Duplex Communication of ESP32-to-ESP32