Grandson has made up a sound board: https://learn.adafruit.com/adafruit-audio-fx-sound-board with a viscous sounding barking dog and it is triggered with a small motion sensor. For security.Have connect an old PC speaker but I need something with more volume. Tried a Ultimate Boom speaker and it is ideal but switches off after a period even when connected to the charger.Any suggestions please?Many thanks.
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