Difference between revisions of "ER-PROTO-01"
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=== Slew Rate Controller === | === Slew Rate Controller === | ||
Revision as of 12:32, 10 November 2022
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
Arduino NANO MOZZI on ER-PROTO-01
CV4 - 4 Control Voltages
Slew Rate Controller
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 Control range of 0-10s (approx.) Power: +12V @ 5mA, -12V @ 5mA
