How many I/O does the Arduino bluetooth bee use?

Question

Arduino

Also, is there a connection manual somewhere? In order not to poke? maybe a good thematic forum, or a collection of articles?

Answer 1

Look, isn't it? http://www.seeedstudio.com/wiki/Bluetooth_Bee

Answer 2

I ordered this:
www.seeedstudio.com/depot/grove-serial-bluetooth-p-795.html?cPath=139_142
It's the same, but not bee compatible, just uart. Uses 2 inputs + power, you can additionally connect PIO0 status outputs to arduino interrupts - when the level appears, it means the device is connected