[Nederlandse versie]

<Pluck>

Only when integrated in the context of our robot orchestra with its wealth of varied sensor systems allowing full interactivity, this automate will become a true robot. That's after all were its destination is to be sought.

Midi channel: fixed to x (counting 0-15).

Note Off: Implemented for all notes in the range.

Note On: Implemented for notes in the range. Velo-byte is used for the stroke strength.

Controller 66: Robot on/off switch.

Technical specifications:

• size: to be determined
• weight: 40kg. (first estimate)
• transportation: needs a flightcase.
• power: 230 V ac / 265 W (Fused: 6.3 A, fast)
• Tuning: A= 440Hz
• Ambitus: to be determined
• control: MIDI-input, 2 MIDI-Thru.
• Insurance value: 10.000 Euro (first estimate)

Design and construction: dr.Godfried-Willem Raes

Collaborators on the construction of this robot:

Music composed for <Pluck>:

Pictures taken during the construction in our workshop:

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Nederlands:

<Pluck>

Construction & Research Diary:

• 15.02.1982: Inkoop van een lot Japanse stappenmotoren, geproduceerd op 16.10.1984. 7.5 graden per stap, weerstand van de wikkelingen 36 Ohm.
• 18.03.1985: First drawings and sketches. We used two of these motors for our <Hex> project.
• 22.12.2025: PCB designed for 26 pulse outputs, including the midi-hub board.This board also accomodates a 5V/2A power supply.
• 23.12.2025: Board design modified such that we can also use it as a hub board for robots using up to two extra PCB's. For instance, a compressor driver and a motor controller.

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M&M orkest

Last update: 2026-01-07 by Godfried-Willem Raes

The following information is not intended for the general public nor for composers wanting to make use of our <Pottepan> robot, but is essential for maintenance and servicing of the robot by our collaborators. It also might be usefull for people that want to undertake similar projects. Feedback is mostly welcomed.

Technical drawings, specs and data sheets:

References:

Raes, Godfried-Willem, "Expression control in musical automates", 1977/2026,