HOWTO make an Atari noisemaker joystick

Mike sends us this HOWTO for turning an Atari joystick into an Atari noisemaker:

Information and schematic diagram on how to build a unit that generates all of our favourite sounds of the Atari computer games era. Squelchy, sawtoothy popie growls.

Once you put it together you have a couple of potentiometer knobs that you 'twiddle' and 'tune' to get that ultimate sound.

Link

(Thanks, Mike!)