The envelope of a sound has a big effect on the character of the sound. The controls on the envelope Bits module are “attack” and “decay”.
ATTACK – Attack is how long it takes the sound to get to its loudest point
DECAY – Decay is how long it takes the sound to fade to silence.
littleBits makes an expanding library of modular electronics that snap together with magnets. Bits modules are just the beginning. Combine them with craft materials, building sets, and other toys to electrify your life. Find out more at littleBits.com