Veronte Autopilot 4X can be integrated with any external sensor that shares communication interface. External sensors can be configured to be considered as part of the sensors fusion. For example, the Magnetometer Honeywell HMR2300-232 can be employed, read the datasheet to obtain more information.
1x PDI Builder is able to detect USB devices such as joysticks. Buttons and axis of these devices can be read and configured to send stick information to Veronte Autopilot 4x and 1x. In addition, virtual sticks can be defined and configured reading the 1x PDI Builder user manual.
Since Autopilot 4X is based on Autopilot 1x, both products have the same compatible devices. To know more, read the Compatibles Devices section of the 1x Hardware Manual.