The bluetooth logo is shown below:
Advanced Audio Distribution Profile (A2DP)
This is a bluetooth standard which supports the streaming of audio between bluetooth-enabled devices.
An attribute is a piece of labelled and addressable data. A characteristic is a group of attributes, and a service is a group of attributes.
attribute < characteristic < service
Bluetooth 4.0 uses the server/client paradigm.
- LVDS (Low-Voltage Differential Signalling)
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- RS-232 Protocol
- RS-485 Protocol