To use this editor:
- Connect your Castor & Pollux to your Eurorack power supply. The module must be powered by the Eurorack power supply.
- Connect a USB cable from your computer to Castor & Pollux's USB port. It's located on the right side of the module on the bottom circuit board.
- Click the ++"connect"++ button below, and when prompted, allow the page access to your MIDI devices.
- Once connected the editor will appear and load the current settings from your device.
- Once you're done editing, click the ++"save & restart"++ button at the bottom of the editor.
- Saving should automatically reset your module, but, if you don't see the changes take effect then try restarting your module. You can do this by turning it off and back on or by pressing the small reset button that's right beside the USB port.
!!! Note This editor uses WebMIDI to communicate with Castor & Pollux. It works in Google Chrome, Microsoft Edge, and Opera (full list of supported browsers).
If you run into issues, feel free to reach out.
Connect
Connection info
Firmware update required
You'll need to update your module's firmware to use this editor. Don't worry, it's really easy! Get the newest firmware
1-4
and C&PII is hardware revisions 5
and above.
130mA
from the +12V
rail.
1.0
.
-1
to +1
octaves (volts). The value of the pitch offset knob is added to the pitch CV input. Note that because the module's ADC isn't perfect, the knobs don't quite reach 100% of their range. You may need to nudge these to give the knob some headroom.
33%
is equivalent to a linear response. Higher values make it easier and easier to tune the oscillator but sacrifices the range, values lower than 33%
will make it harder to tune and aren't recommended. This is 60%
by default.
6
octaves. By default, in this situation Castor will quantize to the nearest semitone. You can disable this to get continuous frequency changes.
0V
.
The intended behavior is that when no cable is patched to Castor's pitch input, it'll switch to "coarse" pitch behavior. Likewise for Pollux, if there's no cable patched to its pitch input then it will follow Castor. However, some users may find this behavior undesirable, especially if you often send pitch CV of around
0V
.
φ
) knob, this just sets the frequency at start-up.
The reason this setting exists is because prior to the July 2022 firmware release, C&P had a bug that caused the effective pulse width resolution to be far lower than intended. Some folks like the old sound, so we added this setting for nostalgia.
These settings are calibrated during assembly and do not have default values. Changing these settings can cause your module to behave incorrectly, so do not touch them unless you know what you're doing or have been asked to do so by support. It's highly recommended that you write down these settings before making changes in case you need to restore them.
I understand, let me in!8 MHz
clock to generate the frequency signals for the oscillators. The actual frequency of this oscillator can vary between 7.94 MHz
and 8.06 MHz
. This setting is set to compensate for that so that the oscillator outputs are in tune.
These settings determine how the module corrects for gain and offset errors in its ADC. We calibrate every unit during manufacturing and save the calibration data to the device. However, we keep a copy of it in case it somehow gets erased or corrupted. You can use the restore button below to load the values that were originally on your device. If the button is greyed out, then we don't have a copy of your module's calibration data.
To use this, connect the most accurate CV source that you have to the first oscillator's pitch input. Set the CV to
1v
and click Measure 1V. Repeat for 3v
. Once both measurements have been taken, it will calculate new values for tuning calibration. Click Save to write these to the device.
This is an advanced debugging tool. You shouldn't even see this unless you know what you're doing!
Enable monitoringmonitor output
Output will appear here