While the flag is active we'll count to a number of reads, enough to get about 2 seconds of audio data. At 16 milliseconds between reads that would be 2000 / 16 = 125, we'll round that to 128 for ...

Sound activated switches are nothing new, but the way The Clapper did it was just slightly brilliant. Instead of listening to every sound, the mic inside the magic box sends everything through a ...

You may have used a method known as the clap-echo method in the playground or you may have used a computer-timed method with two sound-activated switches. Using the apparatus shown above and with ...