I moved your topic to a more appropriate forum category @tuan_kiet.
The Nano ESP32 category you chose is only used for discussions directly related to the Arduino Nano ESP32 board.
In the future, please take the time to pick the forum category that best suits the subject of your question. There is an "About the _____ category" topic at the top of each category that explains its purpose.
Thanks in advance for your cooperation.
On the ESP32 you can use either wifi or BT but not both at the same time (They share the same hardware)
There are tutorials on how to use BT if you Google « ESP32 Bluetooth » or BLE
This is not true, not in the "broadened" sense at least. Obviously the radio module will be shared by the two frameworks, but both WiFi and BLE can be used within the same project.
For example, I have recently been working on a kind of BLE-WiFi gateway where, within the same HTTP request callback function, I scan the reachable BLE devices and then respond to the WiFi client with the BLE devices list.
Not sure what you call the broad sense. I did not say you can't use both in one project - I mentioned "at the same time".
for context OP wrote
My Ble only receives wifi signal but bluetooth does not receive any signal
which I assumed meant that OP was trying to get both radios active at the same time. May be that assumption is wrong.
I understand, but this distinction didn't seem clear to me so I suppose even less so for a beginner.
I just thought it was better to clarify.
OK - sure, more information always better than less.
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