# 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

Trigger options
HL_triggerOptions.pdf 1.95MB