If you are new to MIDI or want to go over some basics, this is the best place to start.
Here is where you'll find guides to understanding what MIDI is, what it's not and general information everyone who uses MIDI should know.
How do you connect your MIDI gear?
Do you use MIDI-5 pin Din, Serial Ports, Firewire, USB, Bluetooth Wireless, RTP-MIDI, or Web MIDI?
Just type in a few tags like the ones listed above and all the resources on the site for your MIDI connections will be displayed.