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adafruit

Trellis Soundboard

by adafruit Apr 13, 2015
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Would be awesome if there was a way to have it auto-shutoff after no activity for 5 minutes and turn back on automatically on press of any of the Trellis buttons rather than have an on off switch. I'm planning to remix the enclosure to add some protection to the speakers, as I'm building this for my toddler as a little music player for her favorite songs. Also hoping to add a wireless charging coil and some way to conceal the USB and SFX ports.

You can use the trinkets sleep mode in conjunction with interrupts. This would basically put your device to sleep (either after a given amount of time or after the sound finished playing) and then wake it back up again, if it detects a button having been pushed. Here's a link that shows how to do this on a Pro Trinket (video included): https://blog.hackster.io/optimizing-power-consumption-for-an-adafruit-pro-trinket-928f1e55a570