Hi! Just finished The Arcadiator (check out fancy wires of different colors and funny sticker with "space invaders"). Aaaaaaaand... found that Fredrik upgraded the circuit and released version 2.0 :'(
About the sound.. It is very specific. For all those lovers of Atari, ZX Spectrum and Commodore sounds. I think the best (and more proper) way is to use this box with a synth.
(https://pp.userapi.com/c631928/v631928790/1daa3/zfSUz8AIQM4.jpg)(https://pp.userapi.com/c631928/v631928790/1da9a/n2IAWLp-Bkw.jpg)
Looks awesome! I love the demo's of this thing, must get around to building it myself one day :)
Heh great to see someone mention Commodore :)
"Drop down, Increase speed and reverse direction!"
It's a great looking build. Very fun one to play with.