Using a Raspberry pi 3b+ and RTL-SDR Dongle to make a Digital Police Radio.
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Just for reference on the LCD Screen:
3.5" touch screen:
Part# MP13501
https://www.waveshare.com/3.5inch-rpi-lcd-a.htm
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Commands to terminal
sudo ./LCD35-show
/\ will turn the screen on every time powered on
sudo ./LCD-hdmi
/\ will turn off the LCD screen and revert back to HDMI
-Rotation-
cd LCD-show/
sudo ./rotate.sh 90
DSD 1.7 is available at:
https://github.com/szechyjs/dsd
There are several rtl-sdr dongles available in several places:
Is the one that I use.
gqr.shThis script can be saved to the desktop or invoked on startup. When you execute from the desktop, select Execute, not Execute in Terminal. If we fail, adjust the sleep timing and make sure that only the Audio and Main toolbar are visible as xdtool is only using those to start everything properly.x-sh - 809.00 bytes - 11/24/2020 at 05:14 |
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gqrx.desktopThis just runs gqrxdesktop - 174.00 bytes - 11/24/2020 at 05:12 |
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The SD image is 16GB, I can perhaps upload this to my server and provide a link.
Brian
harlab
Bikash Panda
I've used a script from pihome with success to shrink RPi images:
https://github.com/mikerr/pihome/blob/master/resizeimage.pl