whats the difference between a Module HC-05 Master and HC-06 Slave? I have a slave module (HC-06) but im not sure whats the purpose of the word "Master" in the HC-05
Electronic – HC-0X Bluetooth Module Difference between Slave & Master
bluetooth
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Best Answer
A slave connects to a master. A master can be a PC with a Bluetooth radio in it / plugged into USB, or it can be a "master" HC-05 module.
Note the HC-05 can work in either master or slave mode.
Examples of masters are PCs, mobile phones when using bluetooth headsets, etc.
Examples of slaves are bluetooth headsets, phones when connecting to a computer, etc.