Troubleshooting Trace Routing

flux

0:39

Consult.

Reading docs about Unable to route traces in PCB layout: why routing tools might be disabled, what prerequisites are needed (airwires, footprints, board outline, rules), and how to route traces or use auto-layout in Flux..

Reading docs about PCB routing: how to start routing a trace in the PCB editor in Flux, why the route tool might not start when clicking pads/airwires, and what steps are required..

Reading docs about PCB editor start routing trace: clicking a pad to begin routing, how to enter routing mode, and why you might not be able to draw traces..

Flux routing only starts from a pad trace handle (the small white dot). If you are clicking elsewhere, it will look like you “can’t run traces”.
This is what the Flux documentation says about starting a trace (verbatim):
How to Start a Trace
To begin creating a trace:
  1. Hover your cursor over the pad where you want to start routing.
  2. A small white dot will appear on the pad—this is the trace handle.
  3. Click the white dot to begin routing your trace.
  4. Move your cursor to define the path. Click to add waypoints, and double-click to finish the trace.
Note: you can press the letter "F" at any time to change the direction of the trace angle (elbow).
Image

Image

Source
If you are clicking the white dot on a pad and nothing happens, tell me what you click (pad, via, trace end, etc.) and whether you see the white dot appear when hovering.
Check DRC airwires
Inspect net routing
Find missing footprints
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Q1
C1
Capacitance
1uF
C3
Capacitance
470uF
C5
Capacitance
0.1uF
J2
R6
Resistance
500 Ω
R5
Resistance
500 Ω
R2
Resistance
500 Ω
D3
SW1
LED1
555b
LED2
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595 Darling 555

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