# External Trigger

Feedback can be triggered through external hardware such as buttons and sensors, but also through a software interface.

Hardware trigger

../../settingspanel/externaltrigger/

TCP: The TCP interface allows you to trigger haptics very easily from another application such as as Unity. Take a look at our integration and documentation.

UART

../tcp-port/
UART: Useful to trigger feedback from an external microcontroller such as an Arduino

UART

../uart/
Serial: Manually connect to other programs and build a custom bridge

Serial

../serial-interface/

Trigger options

HL_triggerOptions.pdf 4.25MB