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Option 3: External Servo Power Supply
Have a separate fuse for each servo. This will also facilitate disabling one or the other when
performing calibration tests for pitch and roll separately.
If you are planning to have more than one servo per axis, e.g. for differential aileron movement,
then a Y-cable will need to be used to split the signal to both servos.
It is recommended that shielded cable be used for the servo signal wiring (with the shield connected
to ground). Differential drivers are strongly recommended for cable runs greater than 10 feet
(available from xflighttech.com).