Zenotron: the Looks of a Kaypro II with the Soul of a Nebulophone

This beautiful instrument of musical delight is called the Zenotron, and it was built by [Mike Walters] for his friend [Zeno] in exchange for some keyboards. The Zenotron is the latest musical hack in a long line of awesome from the same guy who built the Melloman, its successor, the Mellowman II, and Drumssette, a programmable sequencer.

The sweet sounds of those babies all come from tape loops, but the Zenotron is voiced with a modified [Bleep Labs] Nebulophone synthesizer. Instead of the Nebulophone’s pots controlling the waveform and arpeggio, he’s wired up a 2-axis joystick. He left the LFO pot wired as-is. When it’s turned all the way down, he’s noticed that the joystick takes over control of the filter. [Mike] fed the audio through a 4017 decade counter and each of the steps lights up an array of four to five of the randomly-wired 88 LEDs.

[Mike] made the case from the top half of a small filmstrip viewer and an old modem, which is way better than the Cool Whip container housing we made for our Nebulophone. He re-purposed a toy keyboard and made a contact board for it with small tactile switches. This results in nice clicky feedback like you get from mouse buttons.

Of course there’s a demo video. You know the drill.

 

 

[Thanks to Joey for sending this in]

Comments

  1. koplsopl says:

    cute.

  2. strider_mt2k says:

    Brilliant and beautiful!

  3. Mark says:

    Worthy of being a ST;TOS prop.

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