I bought a strand of RGB “pixels” and tried to get them to work. I was having a little trouble, so Alan suggested looking at the signals on the oscilloscope. Danny helped with the knob-twiddling. Danny also coached Marie with her soldering practice. The JigTwitch remains out of order. Alan suggested a caption for the [...]

So, over the week I discovered something kinda cool. Because of the way music is produced these days, subtracting the lead vocal is often as easy as subtracting one channel from the other. This is great if you can’t get a real karaoke version of the song, or you want to learn the harmonies.   [...]