MarkII

Original Assemblage of Electric Eels

 

Mark II is a fresh new version of every component for more sounds, volume and more CPU cycles.

• MarkII on gdrive

 

Mark II begins with two new instruments:

• Trapezoidal Body
• Bowed Eel

 

Body

           Measurements

           45 Angle Wedge

           Trapezoidal Body

Generator

          Dual Stepper w/ Bow

          Dual Stepper w/ Belt

 

 

Synthesizer

     DIYDSP-EEL-CPU-A32-01

 

Synth Controls

          Chromatic Keyboard      DIYDSP-KEY-CHROM-01

          Synth Knobs                  DIYDSP-KNOB_SM-01

          Synth Knobs                 DIYDSP-KNOB-QUAD-01     Knobs from MarkI synthesizer images

          Patch Selector              DIYDSP-PATCH-SEL-01

 

Power Electronics

          Generator

Motor Measurement  DIYDSP-MM01

Rectifier                   DIYDSP-RECT-01

Regulator                 DIYDSP-REG-01

          Voltage Feedback   DIYDSP-SCALER-QUAD-01

 

Amplifiers

      DIYDSP-AMP-HB-01

 

Adjust switching regulator, low volt     min Vin = 3.0V

 

Adjustable switching regulator #2      min Vin=4.5V

 

 

Reference Electronics, Microsoft Peppermill

• https://www.microsoft.com/en-us/research/project/peppermill/
• https://www.microsoft.com/en-us/research/wp-content/uploads/2016/02/peppermill-ppb-sch.jpg
• https://www.microsoft.com/en-us/download/details.aspx?id=52528 

 

 
Acoustics

•     Speakers

          1x 8 inch ( Cello Range )

          1x 10 inch ( Bass Range )

          1x4 inch Cello, Bass

 

•  Resonances

 

•  Horns

 

 

Preferred Parts

Terminal Blocks

• Terminal Block Research

 

LEDs

• LED Search      A Possible LED
• LED Search #2       A Possible LED  Datasheet      Use with 220 Ohm resistor.  See also "LED Voltage varying current_02.ods"

 

Headers

• Female breakaway pin headers
• A Decent Option 

 

Potentiometers, used in REG-01

• Small ones from Mouser
• Small PCB mount vertical adjust pots in range 1k-7.5k on digikey   Possible #1    Possible #2   Possible #3 

 

Favorite Design Tools 

 

Optional

 

Debug LED, indicates presence of voltage

• https://en.wikipedia.org/wiki/Current_source
• http://www.radio-electronics.com/info/circuits/transistor/active-constant-current-source.php

 

 

Everything