First of all, absolutely amazing product. I have just played around a bit and not connected anything real to the OSpi but I noticed two things I want to ask about.
1. Using rpi 4 2GB, boot time increased to several minutes (can be 1 min or even 5 min, seemingly random. Will try a few more reboots to see if it goes down..) after adding the hat. Is this normal behavior? Barebone rpi with firmware installed only took like 20 seconds to be reachable on the IP.
2. I connected an off delay relay to the master (port 1) which will be used to turn on the pump. I noticed that while OSpi is booting up, the relay turned on twice for a split second which would imply there is signal present on the outputs while booting. Does not seem to be something that is desirable. Is this expected behavior?