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Rasperry Bluetooth Localizer

Bluetooth Devices Location and Domotic Action: Detects bluetooth devices, calcule the distance and execute domotic tasks on smart room. ex: Mobile1 is 4m from sensor1 then open the door. All sensors are connected via wireless.

Centralized Architecture:

Sensor (C and BlueZ):

  • spotter.c: Main program: Single threaded: Inq the mobiles bluetooth to get RSS value. POST this value to central server.

WebServer (PHP and JS):

  • new_data.php: receive data from sensor, check the distance (the distance calculation formula is here) and execute all pendent actions.
  • index.php: display the mobile location and actions management

Executor (Java): -> WebServer invokes a Java library to execute commands on domotics. This library is available at: https://github.com/dnascimento/matlab_java_iSimplex

This is just a introduction...

How to Add a new sensor

  • Make a hard copy
  • diskutil list
  • diskutil unmountDisk /dev/disk******
  • SD ---> PC
  • dd if=/dev/disk********* of=SD_MIT_Working_v3.img
  • PC ----> SD
  • dd of=/dev/disk********* if=SD_MIT_Working_v3.img

Deploy

  • Turn it on. It will join the network MIT_AP.
  • Login server (192.168.20.1)
  • nmap 192.168.20.0/24
  • check which is the new address and ssh to new device
  • change the run.c at last line to the new sensor id (it's the last number)
  • make
  • sudo reboot

and ready to go

Add new entry in database at server (sensors_list table).

any question: [email protected]