Weights editor

Now playing

Scale

Clock

Slew

Decay

Attack

Pluckiness

Voice 1

Voice 2

Internal tempo BPM

Used while nothing is plugged into Pulse In 1; also set on the module by holding the switch down and turning Main. A step is one beat, divided or multiplied by X (switch up).

Faders

Pitch

The last eight seconds of CV Out 1 (voice 1) and CV Out 2 (voice 2), −2 to +6 V. Thick while the gate is up.

Presets

A preset is all sixteen pages of faders and the internal tempo; the scale, clock and envelope stay on the knobs. Presets live in this browser. Loading one sends it to the card if one is connected. The card itself keeps nothing over power-off.

Inputs & outputs

Inputs
Pulse In 1	Clock: a step every beat, the clock divided or multiplied by X (switch up). Followed from its second pulse; with nothing plugged in (or four periods, at least 2 s, without a pulse) the card keeps its own tempo
Audio In 1, 2	Optional VCA: a signal plugged in comes out of Audio Out 1 or 2 shaped by that voice's envelope (a full envelope passes it at its own level), in place of the envelope. Unplugged: the envelope again
Others	Not used
Outputs
CV Out 1, 2	Voice 1, 2 pitch: 1 V/oct, C at 0 V, calibrated; −2 V to nearly +6 V
Audio Out 1, 2	Voice 1, 2 envelope, 0 to +5 V: one at every hit (not rests, nor a tied note's next note); or Audio In 1, 2 through it
Pulse Out 1, 2	Voice 1, 2 gate

8mu

The 8mu can plug into the module (no computer needed) or into this computer, which passes it on to the card. Its faders are relative probabilities: one at zero is never chosen, one twice as high as another twice as often. A first page all at zero makes every choice equally likely.

Buttons	A Notes, B Octaves, C Gates, D Ratchets. Press the same button again for its second page (voice 2's), again for its envelope page (A Attack, B Decay, C Pluck, D Depth), again for voice 2's envelope page, and again to go back.
Notes	One fader per note of the scale, from the root up. A scale with fewer than eight notes ignores the extra faders; none has more, so every note has its own fader.
Octaves	Fader 1 −2 V up to fader 8 +5 V (fader 3 is 0 V).
Gates	Fader 1 a rest (no gate, no envelope; the pitch still moves), 2-7 one to six sevenths of the time to the next hit, 8 tied: the gate stays up into the next note, which glides in without a new envelope.
Ratchets	Faders 1-4 hit 1×, 1.5×, 2×, 3× a step on one note (1.5× is two hits, the second two thirds of the way through); 5-8 hit 1.5×, 2×, 3×, 4×, each hit drawing a new note, octave and gate.
Attack, Decay	Each note's attack or decay time, from a quarter (fader 1) to four times (fader 8) the knob's, faders 4 and 5 a little either side. All at zero: off, the knob exactly.
Pluck	Each note's pluckiness, from half its range below the knob (fader 1) to half above (fader 8). All at zero: off.
Depth	Each note's envelope peak, from an eighth of full (fader 1) to full 5 V (fader 8). All at zero: off, always full.
Voice 2	While a second page is all at zero, voice 2 draws from the first page too: two different lines with the same probabilities. Raise any fader on it and voice 2 uses it, on its own. Each kind of page decides this separately. The envelope pages are drawn with each note: once a step, and at every hit of a new-note ratchet.
Pickup	After a page change a fader does nothing until it reaches (or passes) the stored value. While one is waiting, a dashed line on its on-screen fader shows where it is.
LEDs	For 3 s after a fader or button is touched: the page's probabilities, the likeliest fully lit (ratchets flash at their own speed, in time). Then what's playing: the note or octave, a bar up to the gate length, the ratchet flashing at each hit, the envelope's deviation or depth in use (dark when that page is off). On a first page voice 2 shares, voice 2 shows dimly too.

Panel

Switch up	Main scale (37: modes, pentatonics, ragas, maqamat, just intonation, harmonic and subharmonic series, gamelan, 5-, 7- and 8-TET), X clock ÷8, ÷6, ÷4, ÷3, ÷2, ×1 (centre), ×2, ×3, ×4, ×6, ×8, Y slew on the pitch, two-sided: off at the centre; right of centre every note glides, 1 ms to 2 s; left of centre only notes a tie leads into glide (the same times), the rest jump
Switch middle	Main decay (10 ms to 4 s), X attack (0.5 ms to 2 s), Y pluckiness: the decay's curve, from a straight line to a sharp drop with a long tail
Switch down	Hold it and turn Main for the internal tempo, 40 to 300 BPM (it picks up first, like the other settings; the top LEDs flash on every step). X and Y keep the last position's settings
Knobs	A dead zone at each end, so every setting's whole range is reached. After the switch moves, a knob does nothing until it reaches its setting's value; that setting's box above has a dotted outline until then, and the Computer's bottom right LED blinks fast
LEDs	Top four: the 8mu page's button (lit for a first page, blinking slowly for a second, fast for a third, faster still for a fourth); bottom two: the envelopes. After a scale change, its number (1-37) in binary for a second

How it connects

The card picks its USB mode at power-up. 8mu plugged into the card: the card reads it directly and this page isn't used. Computer plugged into the card: the card appears as a MIDI device called Weights, and an 8mu plugged into this computer is passed on by this page. After plugging a computer in, power-cycle the module.

Help

Use a USB-C data cable, and close any other app using the card or the 8mu (Serial Monitor, a DAW).
Use Chrome, Edge or another Chromium browser. Safari and iOS browsers can't do WebMIDI with SysEx.
Press Connect card & 8mu and allow MIDI with SysEx when the browser asks.
On-screen faders: drag, or focus one and use the arrow keys. Double-click sets one to zero.
Several 8mus on this computer all drive the page together. With another Workshop editor open too (CVSeq, WaveSeq), one 8mu drives whichever editor you last clicked in; the header shows 8mu: here or 8mu: elsewhere, and clicking it takes the 8mu back. Use two windows side by side rather than tabs: Chrome slows a tab that's been in the background for a few minutes.
Without a card the page still edits, keeps presets and plays a simulation of the card, at the internal tempo, in the scale last read from the card (Major to begin with).