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By mmiizzoo
#75590 Hi all,

I've tried to search similar topic but i didn't find, if exists sorry.

So I would like to build a kind of home security with 4 sensors and 1 master with display.
The master esp8266 need to collect the data from the other 4 esp8266 sensors and show them on screen.
No problem to build them, program them individually but I don't know how to send 4 data to master without wifi router.

I think the master should be in AP mode and slaves in STA mode to connect to AP but what's next?

Thanks for help