the ATtiny might turn the speakers off even if music is playing. [Bogdan] solved this problem by adding a timer to his code; if nothing is detected by the ADC for three minutes, the speakers turn off.
When listening to music you sometimes cannot ... [Shane] was inspired by another parametric speaker project. It took him some time to get the 555 timer circuit oscillating at the right frequency ...
Instead, my absolute favorite speaker is smart when it comes to music, but it leaves everything ... where you’d be asking it to set cooking timers. In my eyes, it would be like buying a fancy ...