HC-06 version

Hello! I have a question. ㅠ..ㅠ

In the past, the Bluetooth HC-06 was capable of master and slave mode. (version 1.7 or higher)
And the HC-06 sold today is 3.0.
However, only slave mode is possible.
When did Slave mode become available again?
Since BLE is 4.0, HC-06 is not BLE?

Thanks for reading! :slight_smile:

HC-06 is, and always was, slave-only. It appears that there have been HC-05s that masquerade as HC-06s. Don't ask why, and whether they can really be configured as a master is not clear. I get the impression that these devices are no problem, so long as you stay away from AT mode.

HC-06 is not BLE.