Home automation RS232 connected projectors

beefportable
beefportable Member Posts: 1 New User
Hi,
I'm running home-assistant on a Raspbbery Pi 3 and want to control a projector through home-assistant. According to the link the projector needs to be RS232 connected.
 
Are all current models RS232 connected? If not, which ones are?
 
Thanks in advance!

Answers