ESP8266 Community Forum

Hi all, can someone point me in the right direction. I want to link 2 NodeMCUs together using different methods (via I2C, UART, SPI and wifi). Basically send simple msg over between each NodeMCU. I am using Arduino IDE.
Is there any sample codes or documentation on this? Thanks for the help.

This may be of interest:
https://www.packtpub.com/mapt/book/hard ... arm-system