arduino & blue iris

Hi there all. First post here so hopefully it get it right. Im currently running Blue iris on my home server with 4 cameras and im trying to add a Arduino board (and relay board) so that i can operate some relays with BI. I am fairly new to Arduino programing so am not 100% sure what part of...

I tried to connect BI & Arduino before with XP now I bought BI 64-bit with Win7 and i have connected BI with my Arduino Alarm system PIR control but i loosed a lot of time and I HAVE THE SAME PROBLEM and I really tried everything!!! When I send on the serial port DIO number with ARDUINO by...