Difference between revisions of "ER-PROTO-01"

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[[File:tindie-mediums.png|link=https://www.tindie.com/products/28599/]]
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[[FILE:ER-PROTO-PANEL-01-SET_FRONT_REAR-3D-720px.png]]
 
[[FILE:ER-PROTO-PANEL-01-SET_FRONT_REAR-3D-720px.png]]
  
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=== Arduino NANO MOZZI ===
 
=== Arduino NANO MOZZI ===
  
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==== NANO Pinout ====
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[[Arduino NANO MOZZI on ER-PROTO-01]]
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[[FILE:arduino-nano-pinout-720px.png]]
 
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==== Controls ====
 
−
 
 
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* 6 Pots
 
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** RV1 = Analog 7
 
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** RV2 - Analog 4
 
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** RV3 - Analog 6
 
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** RV4 - Analog 3
 
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** RV5 - Analog 5
 
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** RV6 - Analog 2
 
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* 2 CV Input Jacks
 
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** J1 = Analog 0
 
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** J2 = Analog 1
 
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* 1 Output Jack
 
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** J4 = MOZZI HI DEF Audio
 
−
 
 
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==== Audio Out Schematic ====
 
−
 
 
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[[FILE:ER-MOZZI-AUDIO_OUT_SCHEM.PNG]]
 
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==== CV In Schematic ====
 
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* ANA0 in example
 
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[[FILE:ER-MOZZI-CV_IN_SCHEM.PNG]]
 
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==== Parts ====
 
−
 
 
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* 3D view
 
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[[FILE:ER-MOZZI-PARTS_3D.PNG]]
 
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* Top parts view
 
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[[FILE:ER-MOZZI-PARTS_DETAILS_TOP-3D.PNG]]
 
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* Bottom parts view
 
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[[FILE:ER-MOZZI-CV_IN_FILTER.PNG]]
 
  
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* With NANO
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[[file:ER-PROTO-01-NANO-MOZZI_P1080687-720PX.jpg]]
  
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[[FILE:ER-MOZZI-NANO_3D.PNG]]
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[[file:ER-PROTO-01-NANO-MOZZI_P1080693-720PX.jpg]]
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* CAD placement
 
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[[FILE:ER-MOZZI-PARTS_CAD.PNG]]
 
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==== Wires ====
 
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<PRE>
 
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NET: ANA0, A1-19, (C7-1, D1-2, D3-1, R9-2)
 
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NET: ANA1, A1-20, (C8-1, D2-2, D4-1, R10-2)
 
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NET: ANA2, A1-21, J37-3
 
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NET: ANA3, A1-22, J37-6
 
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NET: ANA4, A1-23, J37-9
 
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NET: ANA5, A1-24, J37-12
 
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NET: ANA6, A1-25, J37-15
 
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NET: ANA7, A1-26, J37-18
 
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NET: J1-T, J38-1, (R7-1, R9-1)
 
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NET: J2-T, J38-5, (R10-1, R8-1)
 
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NET: J4-T, J38-7, (C10-1, R14-2)
 
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NET: GND1, J37-7
 
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NET: GND2, J38-6
 
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NET: GND3, A1-4
 
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NET: GND4, A1-29
 
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NET: +5VD, A1-27, J37-11
 
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NET: L5V, J37-14, J37-8
 
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NET: LGND, J37-16, J37-4
 
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</PRE>
 
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==== Parts List ====
 
−
 
 
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{| class="wikitable"
 
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! Find
 
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! Qty
 
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! Ref Des
 
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! Part Number
 
−
|-
 
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| 1
 
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| 2
 
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| R7, R8
 
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| 100K
 
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|-
 
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| 2
 
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| 2
 
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| R9, R10
 
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| 10K
 
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|-
 
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| 3
 
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| 2
 
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| R11, R14
 
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| 3.9K
 
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|-
 
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| 4
 
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| 2
 
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| R12, R13
 
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| 1M
 
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|-
 
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| 5
 
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| 4
 
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| D1-D4
 
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| BAT41
 
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|-
 
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| 6
 
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| 8
 
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| C1-C8
 
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| 0.1uF
 
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|-
 
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| 7
 
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| 1
 
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| C9
 
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| 4.7nF
 
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|-
 
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| 8
 
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| 1
 
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| C10
 
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| 10nF
 
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|-
 
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| 9
 
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| 1
 
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| J5
 
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| HEADER, 2X10
 
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|-
 
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| 10
 
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| 1
 
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| J6
 
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| [https://store.synthrotek.com/16-Pin_Keyed_Shrouded_Eurorack_Power_Header HEADER, 2X8]
 
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|-
 
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| 11
 
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| 1
 
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| J10
 
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| HEADER, 1x8
 
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|-
 
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| 12
 
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| 1
 
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| A1
 
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| Arduino_Nano_v3
 
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|-
 
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|}
 
−
 
 
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==== Software ====
 
−
 
 
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* [https://github.com/land-boards/lb-Arduino-Code/blob/master/LBCards/SYNTHS/PROTO01_POTS_CHECK/PROTO01_POTS_CHECK.ino PROTO01_POTS_CHECK.ino] - Dump pots/input jacks to screen
 
  
 
=== CV4 - 4 Control Voltages ===
 
=== CV4 - 4 Control Voltages ===
  
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* Pot controlled CV generator
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[[ER-CVPOTS4]]
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** Useful for testing VCOs, etc
 
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* (4) Buffered Outputs
 
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* 4 Pots
 
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** RV1-RV4 used
 
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** RV5, RV6 not used
 
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* 4 Jacks
 
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** RV1 controls J1, etc
 
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* Output voltage Levels are assignable via jumpers
 
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** +5V/GND
 
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** +12V/-12V
 
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** +12V/GND
 
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==== Opamp Choices ====
 
  
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* 8 pin Opamps
+
[[file:ER-PROTO-01-CV4_P1090031-F_B_720px.jpg]]
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** MCP6002, 5V max
 
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** MCP6232
 
  
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==== 3D PCB Layout ====
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=== Noise Generator ===
  
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* Board soldermask is actually black, but shown in green for contrast
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[[Noise_Generator_on_ER-PROTO-01|Noise Generator on ER-PROTO-01]]
  
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[[file:ER-PROTO-01-CV4_3D.png]]
+
[[file:ER-PROTO-01_NOISE_P1080751-720px.jpg]]
  
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* Details
+
[[file:ER-PROTO-01_NOISE_P1080755-720px.jpg]]
−
 
 
−
[[file:ER-PROTO-01-CV4_HDRS_3D.png]]
 
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==== Schematic ====
 
−
 
 
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===== Opamp buffers =====
 
−
 
 
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* Voltage selection headers
 
−
 
 
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[[file:ER-PROTO-01-CV4_Opamps.PNG]]
 
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===== Output jacks =====
 
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* Jack grounds connected on Controls card (3 jumpers)
 
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* Single ground connection on daughtercard (1 jumper)
 
−
 
 
−
[[file:ER-PROTO-01-CV4_OutputJacks.PNG]]
 
−
 
 
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===== Pots on Controls card =====
 
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* Connections of CW and CCW
 
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** RV1 goes to RV2
 
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** RV3 goes to RV4
 
−
 
 
−
[[file:ER-PROTO-01-CV4_PotsOnControlsCard.PNG]]
 
  
 
=== Slew Rate Controller ===
 
=== Slew Rate Controller ===
  
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* [https://github.com/hires/Dintree/tree/master/D107-Slew Dintree D107-Slew]
+
[[Slew Rate Controller on ER-PROTO-01]]
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** [https://github.com/hires/Dintree/blob/master/D107-Slew/D107-dual_slew-schematic.pdf Schematic]
 
−
 
 
−
<pre>
 
−
The D107 is a very simple dual slew rate limiter. It can be used for portamento effects or to smooth out a stepped voltage from a sequencer, or for general audio or CV smoothing. Each channel contains a buffer with 100K input impedance suitable for pitch CVs. The slew pot affects the charging of a large capacitor connected to a second amplifier. The second amp provides buffering for output to isolate the output jack from the actual slewing function.
 
−
 
 
−
Specifications:
 
  
−
Dual slew rate limiter
+
== Assembly Sheet ==
−
Control range of 0-10s (approx.)
 
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Power: +12V @ 5mA, -12V @ 5mA
 
−
</pre>
 
  
−
[https://www.youtube.com/watch?v=6EZQ2UXpn6g Video]
+
* [[ER-PROTO-01 Assembly Sheet]]

Latest revision as of 17:48, 18 January 2023

Tindie-mediums.png

ER-PROTO-PANEL-01-SET FRONT REAR-3D-720px.png

Features

  • Eurorack Prototyping card set
  • 6 HP wide (30mm) front panel
  • 3U tall
  • Three card set
    • Board interconnect headers duplicated on headers
    • 30mm wide front panel
    • 28mm wide panel and daughtercards
  • 6 POTS
    • Marked as RV1-RV5
    • Series resistors on pot wiper
    • All 3 pot pins brought to top header
  • 4 Jacks
    • Marked as J1-J4
    • Tip/sleeve brought to header near middle/bottom
  • Pots on top, jacks on bottom of card
    • Easier to adjust pots without bumping into pots
    • Pots more often accessed than jacks
  • Large prototyping area
    • 58 nodes with 3 holes per node (29 per "side")
  • +12V, -12V down board edges
  • 5V/GND down center of card
  • Bussed connections horizontally
  • Front Panel with generic labels
    • Cover with White on Black P-Touch labels

Connectors

  • J1-J4 are front panel connectors

Inter-card Connectors

Pots

  • J5 on the Controls card and J5 on the I/O card
  • Pot connections
    • POTx-1 is fully CW connects to wiper
    • POTx-2 is wiper
    • POTX-3 is fully CCW connects to wiper

RV Conns.PNG

  • To make pot into voltage control
    • POTx-1 (CW) = +5V
    • POTx-13CCW = GND
    • Wire RV1-1 to RV3-1 to RV5-1 on controls card
    • Wire RV1-3 to RV3-3 to RV5-3 on controls card
    • Wire RV2-1 to RV4-1 to RV6-1 on controls card
    • Wire RV2-3 to RV4-3 to RV6-3 on controls card

ER-PROTO-CTLS-6-01 J5.PNG

Jacks

  • J6 on the controls card and J37 on the I/O card

ER-PROTO-CTLS-6-01 J10.PNG

Daughtercard Connectors

J5, J37 - POT connectione

ER-PROTO-DB-01 J5.png

ER-PROTO-DB-01 J37.png

J6 - Eurorack Power

  • J6 on the I/O card
    • Eurorack power
    • 2x5 IDC
    • GATE, CV not connected

ER-PROTO-DB-01 J6.png

J10 - Jacks connections on Controls card

ER-PROTO-DB-01 J10.png

J38 - Jacks connections

ER-PROTO-DB-01 J38.png

Examples

Arduino NANO MOZZI

Arduino NANO MOZZI on ER-PROTO-01

ER-PROTO-01-NANO-MOZZI P1080687-720PX.jpg

ER-PROTO-01-NANO-MOZZI P1080693-720PX.jpg

CV4 - 4 Control Voltages

ER-CVPOTS4

ER-PROTO-01-CV4 P1090031-F B 720px.jpg

Noise Generator

Noise Generator on ER-PROTO-01

ER-PROTO-01 NOISE P1080751-720px.jpg

ER-PROTO-01 NOISE P1080755-720px.jpg

Slew Rate Controller

Slew Rate Controller on ER-PROTO-01

Assembly Sheet

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