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A simple receiver for keyless entry remotes demonstrating the use of MATLAB + GNU Radio for decoding signals. Tested with a key that transmits OOK at 315MHz, yours may use a different frequency or packet format.

Dependencies

  • GNU Radio 3.7.10 or later (may work with older minor releases, but not tested)
  • Modern-ish version of Matlab. No toolboxes should be required.
  • gr-osmosdr, if you use the build-gnuradio script, this will be installed by default

Running

From the terminal "sudo sh run_keyless_demo.sh"

From MATLAB run keyless_demo_live.m

When done, kill the MATLAB script first, then the terminal process.

The script test_rtlsdr.sh can be used as a quick test if the RTL-SDR is initialized properly

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