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Electra Community BioLux FX Rack MIDI CC chart, NRPN and OSC map

The Electra Community BioLux FX Rack MIDI implementation: 64 CC, 23 SysEx commands, each named, for Claude (MCP), SuperCollider or any OSC app.

Device Electra Community BioLux FX Rack
Vendor Electra Community
OSC prefix /biolux_fx_rack
Source πŸŽ›οΈ Derived from an Electra One community preset
Revision per Electra preset
Upstream electra-preset
Driver file devices/electra-community/biolux_fx_rack.json
Not tested on the device yet

This driver comes from documentation or community data and has not been checked on real hardware. If you own one, a quick test and a pull request promoting it helps everyone β€” see CONTRIBUTING.

How do you control it?

Find the MIDI ports, then start the bridge with this driver:

osc-bridge detect        # prints the ready-to-run line for what is plugged in
osc-bridge run --device devices/electra-community/biolux_fx_rack.json --out-port <N> --in-port <M>

Then send OSC to 127.0.0.1:7777, for example:

osc-bridge osc-send /biolux_fx_rack/sub 63

From Claude or any MCP client, the osc-bridge mcp server exposes this driver as biolux_fx_rack: ask β€œwhat can the Electra Community BioLux FX Rack do?” and it reads this map with list_routes. See the MCP guide.

MIDI CC and NRPN parameters (64)

OSC address CC NRPN (MSB/LSB) Range Nature Section
/biolux_fx_rack/sub 64 0–127 continuous
/biolux_fx_rack/kick 65 0–127 continuous
/biolux_fx_rack/mid 66 0–127 continuous
/biolux_fx_rack/high 68 0–127 continuous
/biolux_fx_rack/dp4_top 9 0–127 continuous
/biolux_fx_rack/dp4_bot 11 0–127 continuous
/biolux_fx_rack/orv 13 0–127 continuous
/biolux_fx_rack/mang 15 0–127 continuous
/biolux_fx_rack/main 70 0–127 continuous
/biolux_fx_rack/sub 64 0–127 continuous
/biolux_fx_rack/kick 65 0–127 continuous
/biolux_fx_rack/mid 66 0–127 continuous
/biolux_fx_rack/high 68 0–127 continuous
/biolux_fx_rack/lxp5 17 0–127 continuous
/biolux_fx_rack/lxp1 19 0–127 continuous
/biolux_fx_rack/axefx 21 0–127 continuous
/biolux_fx_rack/770 23 0–127 continuous
/biolux_fx_rack/main 70 0–127 continuous
/biolux_fx_rack/new_sequence 33 0–127 continuous
/biolux_fx_rack/2 2 0–127 continuous
/biolux_fx_rack/3 3 0–127 continuous
/biolux_fx_rack/4 4 0–127 continuous
/biolux_fx_rack/5 5 0–127 continuous
/biolux_fx_rack/6 6 0–127 continuous
/biolux_fx_rack/7 7 0–127 continuous
/biolux_fx_rack/8 8 0–127 continuous
/biolux_fx_rack/9 9 0–127 continuous
/biolux_fx_rack/10 10 0–127 continuous
/biolux_fx_rack/11 11 0–127 continuous
/biolux_fx_rack/12 12 0–127 continuous
/biolux_fx_rack/13 13 0–127 continuous
/biolux_fx_rack/14 14 0–127 continuous
/biolux_fx_rack/15 15 0–127 continuous
/biolux_fx_rack/wet_dry 1 0–127 continuous
/biolux_fx_rack/out_gain 16 0–127 continuous
/biolux_fx_rack/fader 100 0–127 continuous
/biolux_fx_rack/fader 101 0–127 continuous
/biolux_fx_rack/fader 102 0–127 continuous
/biolux_fx_rack/fader 103 0–127 continuous
/biolux_fx_rack/fader 104 0–127 continuous
/biolux_fx_rack/fader 105 0–127 continuous
/biolux_fx_rack/list 41 0–127 continuous
/biolux_fx_rack/fader 106 0–127 continuous
/biolux_fx_rack/fader 107 0–127 continuous
/biolux_fx_rack/volume 123 0–127 continuous
/biolux_fx_rack/8 18 0–127 continuous
/biolux_fx_rack/7 17 0–127 continuous
/biolux_fx_rack/1 11 0–127 continuous
/biolux_fx_rack/2 12 0–127 continuous
/biolux_fx_rack/3 13 0–127 continuous
/biolux_fx_rack/4 14 0–127 continuous
/biolux_fx_rack/5 15 0–127 continuous
/biolux_fx_rack/6 16 0–127 continuous
/biolux_fx_rack/1 11 0–127 continuous
/biolux_fx_rack/2 12 0–127 continuous
/biolux_fx_rack/3 13 0–127 continuous
/biolux_fx_rack/4 14 0–127 continuous
/biolux_fx_rack/5 15 0–127 continuous
/biolux_fx_rack/6 16 0–127 continuous
/biolux_fx_rack/list 0 0–127 continuous
/biolux_fx_rack/volume 126 0–127 continuous
/biolux_fx_rack/8 18 0–127 continuous
/biolux_fx_rack/7 17 0–127 continuous
/biolux_fx_rack/fader 49 0–127 continuous

SysEx commands (23)

OSC address Arguments
/biolux_fx_rack/coarse_1 val: u7
/biolux_fx_rack/coarse_2 val: u7
/biolux_fx_rack/coarse_3 val: u7
/biolux_fx_rack/pitch_base val: u7
/biolux_fx_rack/low_cut val: u7
/biolux_fx_rack/output val: u7
/biolux_fx_rack/fine_1 val: u7
/biolux_fx_rack/fine_2 val: u7
/biolux_fx_rack/fine_3 val: u7
/biolux_fx_rack/interval val: u7
/biolux_fx_rack/reverb_amt val: u7
/biolux_fx_rack/input val: u7
/biolux_fx_rack/feedback_1 val: u7
/biolux_fx_rack/feedback_2 val: u7
/biolux_fx_rack/pitch_adjust val: u7
/biolux_fx_rack/balance val: u7
/biolux_fx_rack/high_cut val: u7
/biolux_fx_rack/decay_time val: u7
/biolux_fx_rack/treble_decay val: u7
/biolux_fx_rack/bass_multiply val: u7
/biolux_fx_rack/size val: u7
/biolux_fx_rack/diffusion val: u7
/biolux_fx_rack/lfo_rate val: u7

Performance MIDI

Notes, pitch bend and any CC are also available: /biolux_fx_rack/note/on <note> <velocity>, /biolux_fx_rack/cc/<number> <value>, /biolux_fx_rack/pitchbend <0-16383>, /biolux_fx_rack/program_change <n>.

Limitations

Imported from an Electra One community preset. The mapping reflects the preset author's editorial choices: parameter naming, ranges, and which params are exposed. Untested on hardware in this repo.

Frequently asked questions

How many parameters of the Electra Community BioLux FX Rack can be controlled over MIDI?

SynthHub's map of the Electra Community BioLux FX Rack lists 64 MIDI CC parameters, each with its number, range and a readable name; the full chart is on this page.

Can an AI agent like Claude control the Electra Community BioLux FX Rack?

Yes: SynthHub's hosted MCP server knows the Electra Community BioLux FX Rack's MIDI map, and its browser relay lets the agent send it parameter changes or load a sound, each sound change confirmed by you.