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project:gctx [2012/11/20 23:55]
jenda [Limitations]
project:gctx [2014/09/21 16:01] (current)
sysop [Inspiration]
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 hw=-| hw=-|
 founder=[[user:​jenda]]| founder=[[user:​jenda]]|
-interested=[[user:​EDITME]]\\ [[user:​EDITME]]|+interested=[[user:​mrkva]]|
 status=active status=active
 }} }}
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   * [[http://​www.erikyyy.de/​tempest/​|Tempest for Eliza]] - AM audio transceiver (tested up to 145 MHz with Intel Mobile 945) - frequency accuracy is +/- 20 kHz, can be fixed in software   * [[http://​www.erikyyy.de/​tempest/​|Tempest for Eliza]] - AM audio transceiver (tested up to 145 MHz with Intel Mobile 945) - frequency accuracy is +/- 20 kHz, can be fixed in software
   * [[http://​bellard.org/​dvbt/​|TV Signal Generation]] - PAL/SECAM and DVB-T Multiplex (!) transceiver   * [[http://​bellard.org/​dvbt/​|TV Signal Generation]] - PAL/SECAM and DVB-T Multiplex (!) transceiver
 +  * http://​www.reddit.com/​r/​raspberry_pi/​comments/​14k5o3/​raspberry_pi_fm_transmitter_with_no_additional/​ 
 +  * http://​bk.gnarf.org/​creativity/​vgasig/​
 ===== Goal ===== ===== Goal =====
  
 Goal is to create GNU Radio sink, that will eat your data and transmit them. Goal is to create GNU Radio sink, that will eat your data and transmit them.
 +
 +===== TODO =====
 +  * learn how GnuRadio works and how to write a simple sink for it
 +  * switch on VGA output and make it display our picture without affecting other screens
 +  * turn vsync and keep track how fast are frames being refreshed - learn SDL? :(
 +  * split incoming signal into separate pictures
 +  * display each picture for calculated time, generating the wanted signal
 +  * make a [[http://​www.w8ji.com/​shortwave%20broadcast%20amplifier.htm|super big power amplifier]] so the whole world can hear us!
  
 ===== Limitations ===== ===== Limitations =====
 
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