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###TL;DR - You have the options of either BlueTooth or XBee (amongst others: IR, for example?) for wireless uploading. However, I believe that only one board can be uploaded to, at a time, so you will need to cycle through the boards one at a time, see Programming multiple ATMegas/Arduinos at once.

TL;DR -

You have the options of either BlueTooth or XBee (amongst others: IR, for example?) for wireless uploading. However, I believe that only one board can be uploaded to, at a time, so you will need to cycle through the boards one at a time, see Programming multiple ATMegas/Arduinos at once.

You could use a script along with the command line version of the Arduino IDE, to select the port that the BT device is connected to, before each upload. How you do this will vary for which ever platform you are compiling upon, see Command line Arduino compiling and downloading? This can be done using the environment variable ARDUINO_COMPORT (see the possibly out of date Windows command line build), or the arduino cmd line option --port <portname> ( see the man page). The sketch would then be uploaded using the option --upload <filename>. You could do this in one fell swoop:

Next, you would need to add a loop to the script, that pairs the PC to each BT device in turn and thereafter calls the Arduino IDE, for the port selection and uploading. Unfortunately, this would not be platform agnostic at all, and would require a different solution for what ever platform you are using. Take a look at Bluetooth from the Command Line, but for Windows you would probably require the Blue Tooth Command Line tools suite.

On OS X you may be best off resorting to using AppleScript, see Connect to bluetooth device (iPhone) via command line on MacOSX, as the cmd line tools for controlling BT seem a little scant - there is BlueUtil, see How to control Bluetooth wireless radio from the command line? but that only appears to turn the BT on of off. However, bolting AppleScript on to the rest of the Arduino IDE control script quickly makes things more complex, although you could just put the Arduino command within the AppleScript, I guess.

You could use a script along with the command line version of the Arduino IDE, to select the port that the BT device is connected to, before each upload. How you do this will vary for which ever platform you are compiling upon, see Command line Arduino compiling and downloading? This can be done using the environment variable ARDUINO_COMPORT (see the possibly out of date Windows command line build), or the arduino cmd line option --port <portname> ( see the man page). The sketch would then be uploaded using the option --upload <filename>. You could do this in one fell swoop:

Next, you would need to add a loop to the script, that pairs the PC to each BT device in turn and thereafter calls the Arduino IDE, for the port selection and uploading. Unfortunately, this would not be platform agnostic at all, and would require a different solution for what ever platform you are using. Take a look at Bluetooth from the Command Line, but for Windows you would probably require the Blue Tooth Command Line tools suite.

On OS X you may be best off resorting to using AppleScript, see Connect to bluetooth device (iPhone) via command line on MacOSX, as the cmd line tools for controlling BT seem a little scant - there is BlueUtil, see How to control Bluetooth wireless radio from the command line? but that only appears to turn the BT on of off. However, bolting AppleScript on to the rest of the Arduino IDE control script quickly makes things more complex, although you could just put the Arduino command within the AppleScript, I guess.

On OS X you may be best off resorting to using AppleScript, see Connect to bluetooth device (iPhone) via command line on MacOSX, as the cmd line tools for controlling BT seem a little scant - there is BlueUtil, see How to control Bluetooth wireless radio from the command line? but that only appears to turn the BT on of off. However, bolting AppleScript on to the rest of the Arduino IDE control script quickly makes things more complex, although you could just put the Arduino command within the AppleScript, I guess.

On OS X you may be best off resorting to using AppleScript, see Connect to bluetooth device (iPhone) via command line on MacOSX, as the cmd line tools for controlling BT seem a little scant - there is BlueUtil, see How to control Bluetooth wireless radio from the command line? but that only appears to turn the BT on of off. However, bolting AppleScript on to the rest of the Arduino IDE control script quickly makes things more complex, although you could just put the Arduino command within the AppleScript, I guess.