DIY Midi controller Question

[Meds]

i want to build a 16 button controller whit a teensy 2.0. does it have 16 digital inputs? or does it work in any way?
Thank you so much if you can help me.

[kickore]

You do have options to use less, if that's you're concern.

http://www.pjrc.com/teensy/td_midi.html

Go to the "Connecting Many Buttons & Knobs/Sliders" section. It explains how to use multiple 74HCT4051 multiplexers to add a bunch of extra inputs (digital AND analog) should you also want to use tons of analog as well!

[DJDoubleYou]

Check this for an example on that.