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collecting data from different ESP32

Q&A Forum › Category: ESP32 › collecting data from different ESP32
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Filip asked 4 years ago

I’m planning to create some scoreboards for our  tabletennisclub with ESP32’s
So far as stand-alone, it goes pretty well.
Now I want also a webpage to show the live scores of the matches.
I’m wondering what is the best way to follow.

  • I need to detect the right scoreboard placed at a table
  • I want to be able to send some data to the scoreboard (players, …)
  • I want to show the current scores from each board.
  • I plan to make multiple scoreboards but, depending of the day, I need only some of the boards(2,4, …)

I think of one ESP23 acting as webserver as ‘Master’ where all the scoreboards connect to (or send their data) with ESP-Now or ESP-Mesh. Do I think in the right direction?
Many thanks in advance,
Filip
 
 

3 Answers
0 Vote Up Vote Down
Sara Santos Staff answered 4 years ago

Hi Flip.
Using ESP-NOW might be a good idea. You can also use MQTT.
See with which method you want to proceed.
We have several MQTT tutorials on the RNT blog:

  • https://randomnerdtutorials.com/projects-esp32/

We also have multiple tutorials about ESP-NOW. We have this project with a web server that might help:

  • https://randomnerdtutorials.com/esp32-esp-now-wi-fi-web-server/

Regards,
Sara

0 Vote Up Vote Down
Filip answered 4 years ago

Thanks Sara,
I already tried the tutorials about ESP-NOW and they seems for me a good direction. I think I need a combination of the one you mentioned here and this one https://randomnerdtutorials.com/esp-now-two-way-communication-esp32/
I also thought about MQTT but most need a Raspberry Pi and RedNode and I am a little ‘afraid’ to go that way. I am still new with Arduino and ESP32 but it seems easier than the PI way so I hesitate. I’m would love a MQTT tutorial that uses an online (free) broker, as a starting point to test that out.
But I am glad you confirmed my idea of ESP-NOW so I can experiment further in that direction.
 
Greetings,
Filip

0 Vote Up Vote Down
Sara Santos Staff answered 4 years ago

Ok, Filip.
Go on with your project 🙂
Once you feel more confident, you should give MQTT a try.
I’ll close this issue.
If you need further help, you just need to open a new question in our forum.
Regards,
Sara
 

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