ESP32S3 : Possible to have Wifi and BLE connected at the same time ?

ThomasESP32
Posts: 229
Joined: Thu Jul 14, 2022 5:15 am

ESP32S3 : Possible to have Wifi and BLE connected at the same time ?

Postby ThomasESP32 » Thu Sep 14, 2023 6:46 am

Good morning,

I am using an Esp32S3 WROOM 1 module and I would like to know if it is possible
to have Wifi (STA Mode) and BLE at the same time ?

Moreover, is it possible to have BLE connections and Wifi STA connection at the same time ?

Or, is there something like "When a computer connects to the Wifi STA, BLE connections are closed ??" or something like that ?

Could you please help me on the subject ?
Thank you,

Best regards,

Thomas TRUILHE

ThomasESP32
Posts: 229
Joined: Thu Jul 14, 2022 5:15 am

Re: ESP32S3 : Possible to have Wifi and BLE connected at the same time ?

Postby ThomasESP32 » Thu Sep 14, 2023 6:48 am

Sorry I don't know if it is Wifi STA (I am using Wifi as a Wifi Server in order to do OTA update, maybe it is STA mode ??)

ESP_Sprite
Posts: 9739
Joined: Thu Nov 26, 2015 4:08 am

Re: ESP32S3 : Possible to have Wifi and BLE connected at the same time ?

Postby ESP_Sprite » Thu Sep 14, 2023 8:34 am

In STA mode your ESP connects to an existing access point, in AP mode it is an access point and e.g. your phone can connect to it.

Aside from that: ESP chips can concurrently do BLE and WiFi. Note that they only have one radio in there, so any high-bandwidth connections will suffer a bit if you also need to do stuff with the other prototol.

ThomasESP32
Posts: 229
Joined: Thu Jul 14, 2022 5:15 am

Re: ESP32S3 : Possible to have Wifi and BLE connected at the same time ?

Postby ThomasESP32 » Thu Sep 14, 2023 10:07 am

So,
according to what you say, if my Esp32S3 is configured as a Wifi AP and if the BLE is started,
external peripharels will have the possibility to connect to the ESP32S3 in BLE and external peripherals will
have the possibility to connect to the Wifi AP at the same time ?

Do you think I can have 8max BLE connections at the same time and a external peripheral connected to the Wifi AP at the same time without connections are lost ?

Best regards,
Thank you for you help,

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