wifi or ethernet cable

Hi All,
slowly very slowly, I get some grip on this all.
But I have many questions sorry for that.
According easyLot architecture picture all the esp8266 are talking to the wifi dongle, and is than the router hardwired with an Ethernet cable to your raspberry pi???.
Your phone an or your computer is that also talking via the wifi dongle??
Please what is the best setup?/
Thank you in advance
With kind regards
koen

Thank you so much for your info, I want to do the same, but I do not know how to setup my router to my RPI via a lan cable and still use my wifi sensors talking to my wifi RPI dongle and also excess my easyiot webserver via the same wifi RPI dongle, sorry I am just a beginner have maybe many stupid questions, where can I find a tutorial about this, or is there somebody how can give a help via telephone or email.
Thanks in advance
with kind regards

Everything in your home network is connected to your router - some devices are connected via wifi, some are connected with ethernet cable.

Your router doesn't care, since all connections (wifi and cable) are using the TCP protocol to communicate with your router.

So, every device can communicate with others in your home network, as long as it is connected to the router - either wifi or cable.

You can connect your raspberry with ethernet cable, and connect sensors etc. via wifi, and still the raspberry can talk to them - thanks to your router which connects anything with everything..

This is true for wifi and ethernet.


Complete different story are sensors using NRF24 chipset, these are NOT wifi but some other proprietary protocol and for these, you need one module at each side of the connection - one at the raspberry and one at the sensor side.

regards

Thanks again, because if I understand correctly my WIFI router and my ESP8266’s and my RPI all talk via my wifi RPI dongle so I thought if I hardwire my RPI with my wifi router via a LAN cable , there will be less overhead for my RPI wifi dongle, and therefore maybe faster
regards

No, this makes no sense. There is NO direct connection between the esp8266's and your RPi wifi dongle. Both communicate ONLY via your router.

Are you experiencing slowliness, or whats the problem?

regards