There's more information on this project available at ESP8266-Hints. There are two parts to this repository, the gateway code (ESP-Now_Gateway) and the demo/exerciser code for a standalone sensor node ...
This is an alpha version of this code,released here in the hope that it will help others to get the basic hardware (ESP32 + WizNet W5500 Ethernet module) working. The original ESP8266 version of this ...