# VOXL 2 IO expander vs flight core for ESC connection?

Source: https://forum.modalai.com/topic/2962/voxl-2-io-expander-vs-flight-core-for-esc-connection
Category: General Questions (https://forum.modalai.com/category/2/general-questions)
Posted: 2023-12-15 23:47:59 UTC by Guest
Replies: 0 · Views: 505

## Moderator (ModalAI staff) · 2023-12-18 00:29:38 UTC

@Gary-Holmgren Hi Gary, Flight Core simply has more I/O. So, if you need more I/O, like CAN, then Flight Core is a better option. VOXL 2 I/O just adds in PWM and S.Bus, so it is very limited