I want to using my phone to remote control the bluetooth module
Then, you need a module that is compatible with your phone, not the cheapest thing you can find on ebay.
A random phone and a random bluetooth module will not pair.
I want to using my phone to remote control the bluetooth module
Then, you need a module that is compatible with your phone, not the cheapest thing you can find on ebay.
A random phone and a random bluetooth module will not pair.