The native USB port can turn it into a MIDI USB device if you like - currently that's only supported in Arduino. Tether it
to a computer or tablet, if you like. Or use it in standalone mode, as long as its powered from a USB power plug, it'll
run whatever firmware is burned into it.
OK so you've got this big brain, but now you need inputs and outputs! There's a 4x8 grid of elastomer button pads with
a NeoPixel nestled in the center of each one. You can read any/all button presses simultaneously thanks to the fully
diode'd matrix, and also set each button color to any of 24-bit colors. (We've even got some DMA Arduino code for the
NeoPixels so that they won't take up any processor time.) The elastomer buttons are translucent so they glow
beautifully when lit.
4x4 Trellis Keypad x 2
So squishy! These silicone elastomer keypads are just
waiting for your fingers to press them. Go ahead, squish
all you like! (They're durable and easy to clean, just wipe
with mild soap and water) These are just like the light up
rubber buttons you find on stuff like appliances and
tools, but these are open source and easy to integrate
into your next Trellis M4 project!
Each button is 10mm x 10mm square and 10mm tall.
There is 5mm of grid spacing between the buttons. You
can 'tile' the button pads edge-to-edge and they'll grid
up correctly. You can also cut the pads down if you like,
the silicone is very soft. The way they're molded, they
give about 3mm of travel when pressed for a very
satisfying feel. They are completely quiet, however.
You get two (2) button pads in this pack so this is
the
elastomer pack for dressing up your Trellis M4!
© Adafruit Industries
https://learn.adafruit.com/adabox010
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