rad1o

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= What to do with rad1o?

The air around you is full of data from medical devices, smart home devices, airplanes, cars, phones up to radio & television. rad1o may help you to access them.

**If you really do not know what to do with your rad1o, please consider donating it to your local hackspace!**
== Howtos

Goto [[howto:|howto:]] to see step-by-step instructions for common tasks like updating the firmware.

== Sessions and Projects at the Camp

Learn more from the people who brought you **rad1o** (and others)!

See https://events.ccc.de/camp/2015/wiki/index.php?title=Special:SearchByProperty&property=Has+project+tag&value=rad1o


== Software Mods

Wanna customize **rad1o** to make it //yours//? 8-) Read on!

=== Upload custom image or animation

Images and animations should be 130px x 130px.

Hold joystick UP when booting to mount USB. Drop files in .an1 or .lcd format to have them show up in the image menu on the default firmware.

To convert images, use the perl scripts from the [[https://github.com/rad1o/f1rmware/tree/master/tools|f1rmware/tools directory in the GitHub repository]]. 

(the perl script depend on libgd (libgd-graph-perl in debian))

Example usage:

<code>
~/src/f1rmware/tools $  ./img2lcd.pl ../assets/cat.png
~/src/f1rmware/tools $  ./img2lcd.pl ../assets/cat2.png
~/src/f1rmware/tools $  ./lcd2ani.pl -v ../assets/cat.an1 ../assets/cat.lcd 200 ../assets/cat2.lcd 200
Adding ../assets/cat.lcd for 200 ms
Adding ../assets/cat2.lcd for 200 ms
</code>

Convert a complete gif-file with the [[howto:gifconversion|How to convert a gif to an animation]]


== Hardware Mods

=== Add some LEDs
see [[leds|RGB LEDs]]


== Use as software defined radio (like HackRF)

=== Check if the badge receives data
''osmocom_fft'' (may require the installation of gr-osmosdr)
Should display sth. like:
{{:osmocom_fft.png?100|}}

=== Radio Protocols

==== ADS-B
ADS-B is a positioning system for planes. See [[https://en.wikipedia.org/wiki/Automatic_dependent_surveillance_%E2%80%93_broadcast|Wikipedia]].
For GNU Radio exists the module ''gr-air-modes'' which contains the command line tool ''modes_rx'' which can be used to receive ADS-B data. 
''sudo apt-get install gr-air-modes''

''modes_rx -s osmocom -d''

==== FM Radio stations - Reception
   * Requires GNURadio
   * Requires either an extra antenna or pressing a finger on the upper right corner where the antenna is usually soldered (then you are a human antenna ;-) )
   * Example Script: [[https://github.com/muccc/sdr-workshop/blob/master/fm_receive/fm-example.grc|FM Radio Example]] (must be opened with GNU Radio Companion)
   * The script can be started via the arrow in the middle of the menu
   * Depending on your SoundCard and your CPU you may vary the parameters for ''samp_rate'' (eg. decreasing to 2M) and ''audio_samp_rate''(eg. increasing to 96k)
   * The Frequency can be adjusted via the FFT Plot that opens when the script is started

==== FM Radio stations - Broadcast
   * Can be illegal depending on which frequency you broadcast: check the local laws
   * Requires GNURadio
   * Requires either an extra antenna or pressing a finger on the upper right corner where the antenna is usually soldered (then you are a human antenna ;-) )
   * Example Script: [[http://sprunge.us/agBZ|FM Broadcast Example]] (must be opened with GNU Radio Companion)
   * The script can be started via the arrow in the middle of the menu
   * It uses a fifo (create it with mkfifo and change the File Source box in GNU Radio Companion accordingly). You can feed it with mp3 by executing, for example: mpg123 -r41000 -s foo.mp3 > /path/to/input_fifo. You can change the broadcast frequency by modifying the osmocom Sink configuration in GNU Radio Companion.
= Links

== More information about rad1o

=== Media coverage
* [[http://hackaday.com/2015/07/12/cccamp-2015-rad1o-badge/|Hackaday.com post]] (by Anool Mahidharia)
* [[http://www.rtl-sdr.com/a-new-hackrf-compatible-sdr-rad1o/|RTL-SDR.com post]]
* [[https://twitter.com/michaelossmann/status/629779084801781760|Michael Ossmann on Twitter]]
* [[http://hackaday.com/2015/08/16/chaos-communication-camp-2015-dispatch-from-the-middle/|Hackaday.com post from the camp]] (by Elliot Williams)

=== Chaos Radio München Podcast (German)
* [[http://radio.muc.ccc.de/39|CRM039: General Information about the rad1o]]
* [[http://radio.muc.ccc.de/40|CRM040: Using the rad1o with gnuradio and RFAnalyzer]]
* [[http://radio.muc.ccc.de/41|CRM041: Writing firmware for the rad1o]]


== Learning more about SDR, HackRF and GNU Radio
* [[http://greatscottgadgets.com/sdr/|Video course about Software Defined Radio (SDR) by Michael Ossmann]]
* [[http://gnuradio.org/redmine/projects/gnuradio/wiki/Guided_Tutorials|Guided GNU Radio Tutorials]]
* [[https://github.com//mossmann/hackrf/wiki|HackRF Wiki]] (also contains tips for installing GNU Radio)
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