Hardware cockpit instruments with round displays.

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Has anyone done any cockpit instruments using Flightgear source materials
driving  2.8" round TFT displays from raspberry pi zeros?  I'm thinking in
terms of a FGFS instance with no scenery, no airport, just a single
instrument, driven not from the FDM, but from input fed from the main FGFS
instance over USB or UDP, perhaps running independently on a Raspberry Pi
Zero.  Outputs for adjusting knobs back to the main fgfs via the same
channel.

-Pat

https://www.aliexpress.us/item/3256805001903002.html?spm=3Da2g0o.cart.0.0.4=
91f38daKYclES&mp=3D1&pdp_npi=3D6%40dis%21USD%21USD+31.27%21USD+31.27%21%21U=
SD+31.27%21%21%21%402103138417850754067242788e0eb6%2112000032031307056%21ct=
%21US%21798636471%21%211%210%21&gatewayAdapt=3Dglo2usa

Heading Instrument example
1 raspberry pi zero
1 2.8" display with hdmi board
2 magnetic rotary encoders for Heading Bug and Card Adjust

Is there a simpler way to drive the display than to have a full instance of
flightgear running on the Pi?

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<div dir=3D"ltr"><div>Has anyone done any cockpit instruments using Flightg=
ear source materials driving=C2=A0 2.8&quot; round TFT displays from raspbe=
rry pi zeros?=C2=A0 I&#39;m thinking in terms of a FGFS instance with no sc=
enery, no airport, just a single instrument, driven not from the FDM, but f=
rom input fed from the main FGFS instance over USB or UDP, perhaps running =
independently on a Raspberry Pi Zero.=C2=A0 Outputs for adjusting knobs bac=
k to the main fgfs via the same channel.</div><div><br></div><div>-Pat</div=
><div><br></div><a href=3D"https://www.aliexpress.us/item/3256805001903002.=
html?spm=3Da2g0o.cart.0.0.491f38daKYclES&amp;mp=3D1&amp;pdp_npi=3D6%40dis%2=
1USD%21USD+31.27%21USD+31.27%21%21USD+31.27%21%21%21%4021031384178507540672=
42788e0eb6%2112000032031307056%21ct%21US%21798636471%21%211%210%21&amp;gate=
wayAdapt=3Dglo2usa">https://www.aliexpress.us/item/3256805001903002.html?sp=
m=3Da2g0o.cart.0.0.491f38daKYclES&amp;mp=3D1&amp;pdp_npi=3D6%40dis%21USD%21=
USD+31.27%21USD+31.27%21%21USD+31.27%21%21%21%402103138417850754067242788e0=
eb6%2112000032031307056%21ct%21US%21798636471%21%211%210%21&amp;gatewayAdap=
t=3Dglo2usa</a><div><br></div><div>Heading Instrument example=C2=A0</div><d=
iv>1 raspberry pi zero</div><div>1 2.8&quot; display with hdmi board</div><=
div>2 magnetic rotary encoders for Heading Bug and Card Adjust</div><div><b=
r></div><div>Is there a simpler way to drive the display than to have a ful=
l instance of flightgear running on the Pi?</div></div>

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