ER-PROTO-01

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

• 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

Jacks

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

Daughtercard Connectors

J5, J37 - POT connectione

J6 - Eurorack Power

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

J10 - Jacks connections on Controls card

J38 - Jacks connections

Examples

Arduino NANO MOZZI

• Audio Out

• • CV In

• 3D view

• Top parts view

• Bottom parts view

• CAD placement

Find	Qty	Ref Des	Part Number
1	2	R7, R8	100K
2	2	R9, R10	10K
3	2	R11, R14	3.9K
4	2	R12, R13	1M
5	4	D1-D4	BAT41
6	8	C1-C8	0.1uF
7	1	C9	4.7nF
8	1	C10	10nF
9	1	J5	HEADER, 2X10
10	1	J6	HEADER, 2X8
11	1	J10	HEADER, 1x8
12	1	A1	Arduino_Nano_v3

Arduino NANO with quad Opamp example