PCB Design for Rocket Flight Computer


Flux docs don’t describe a way for me (or you) to automatically route all traces at once; the most relevant entry I found is the manual PCB routing workflow:
To connect parts, hover over a part to reveal its terminals, then click on the white dots to begin routing mode. You don't need any tools. simply click where on the white dot to start wiring. To complete the connection, click on the terminal of the other element.
Connecting parts
While in wiring mode, you can also change the wire angle (elbow) direction of the route by pressing the “f” key. To cancel the routing mode, press the escape key.
If you want, tell me which nets you want routed first (for example: VBAT/V5/3V3, then USB, then SPI/I2C), and I can help you prioritize/check them as you route.
If I am routing a via on the top signal layer, then I want to flip it to the bottom layer (signal) what is the keyboard shortcut to flip it from top to bottom layer? This is a 4 layer board where the middle layers are power.
The most relevant entry I found related to switching layers while routing says:
Routing Across Multiple Layers
To switch layers while routing a trace:
  1. Hover over the target component's pad until a green dot appears
  2. Click on the green dot to begin routing - the trace will follow your cursor on the currently selected layer
  3. To move the trace to a different layer, right-click and select the target layer
  4. A via will be automatically placed, connecting the two layers
  5. Continue routing on the new layer

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Check routing layer shortcut
Confirm no hotkey exists
Route via through power layers
Find shortcut list

Schematic of GML_Rocket_Board_V3.0d nQkT
U1
Y1
R21
Resistance
100kΩ
R22
Resistance
100kΩ
R17
Resistance
470 Ω
R18
Resistance
470 Ω
R25
Resistance
10kΩ
R8
Resistance
10kΩ
LED5
C10
Capacitance
0.1uf F
H4
H1
C16
Capacitance
0.1uf F
C1
Capacitance
0.1uf F
H2
C8
Capacitance
0.1uf F
H3
Q7
D2
LS1
J10
ON NOT ON
LED1
U2
Not Recommended for New Designs
R23
Resistance
4.7kΩ
PS1
R10
Resistance
4.7kΩ
IC1

GML_Rocket_Board_V3.0d nQkT