Program your controllers in the field!

Field Link Portable Programmer allows you to modify the most commonly used settings in your Castle controller at the touch of a single button.

Field Link for Flying settings:

Cutoff voltage
Auto LiPo volts per cell (3.0, 3.1, 3.2, 3.3, 3.4, 3.5)
Low voltage cutoff type
BEC voltage setting*
Motor timing*
Motor direction
Throttle type*
Brake
Governor gain*
*If applicable to your ESC. Please check "Specifications" section for full list of functions.

This package includes one Field Link portable programmer specifically made to work with Castle air controllers, and a USB cable. For surface controllers, see the Field Link for Driving.