Wireless sensor network with ESP8266 and ESP NOW

[Green BMS]

Hi everyone,
I present to you my project: it is a wireless sensor network.
Each node is based on ESP8266 and communicates with other nodes on the network using the ESPNOW protocol-
This is the web page of the project:
https://hackaday.io/project/186064-green-detect
This is the video presentation:
https://www.youtube.com/watch?v=CE9HRHpV6fQ&t=4s
This is the video of a working prototype:
https://www.youtube.com/watch?v=n3xGoN8Y8NA