Bluetooth version?
Bluetooth version?
What version of Bluetooth must my device (smartphone) have to communicate with an ESP32 based project?
Re: Bluetooth version?
It depends on which profile you are talking about. Bluetooth is meant to be backwards compatible. Ble was introduced in 4.0
Re: Bluetooth version?
Not sure what you mean by "profile". I am using a NodeMCU-32S dev module.
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