# Bluetooth

###### tags: `Research`

For presence detection

## Documentation

* [Hardware module user guide](https://www.terasic.com.tw/cgi-bin/page/archive.pl?Language=English&CategoryNo=65&No=1025&PartNo=4)

## Process

* Pair information saving
* Unknown
* Storage ID
* Send 'ID key', if valid via server db check, allow access
* Security concerns?
* Interfacing with blutooth in hardware
* Bluetooth via Terasic RFS add-on board - via UART
* Use SPP (Serial Port Profile)
* Slave waiting on input
* One or two way communication