Data between 2 esp8266 and my raspberry pi (need help)

Hi all,
I would like to do a project where i have my raspberry pi with home assistant and 2 esp 8266 far away from it and from the wifi network and i would like that one of the esp act like an wifi hotspot for the second one and like a thermostat because he can connect to the wifi.

So I need an esp8266 that can do a hotspot for an another esp so that both the esp can send temperature data to the server

Thanks

That sounds like a technically difficult project with no direct support from ESPHome. You should perhaps check out LoRa. I unfortunately have no direct experience with it, besides reading up on it a fair bit. Have a look here too: Sending data via LoRa on ESPHome.

You can vote for it
Implement Expressif ESP32 & ESP8266 Node Wifi Mesh into ESPHome core · Issue #1108 · esphome/feature-requests (github.com)

Adding LoRa WAN support · Issue #124 · esphome/feature-requests (github.com)

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Thanks a lot i will try with a LoRa module and i have commented on the github