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Wouldn't it be wonderful if our HX Stomp had a dedicated professional, gig worthy, Plug & Play controller, where you don't have to program anything?

What if it could also work with batteries, and... wirelessly?

Better with a large touch screen as H.U.D?




Version 1.0 (5 Presets)






Preset Mode:



Stomp Mode:



iPad Main view



Looper controls



This is a MIDI Layout Made to work with MIDI Designer Pro 2 (sold separately).

Allows to use a Roland FC-300 MIDI pedalboard with the Line 6 HX STOMP, using SYSEX messages to control all the onboard LEDs, expression pedals and footswitches.

Plug & Play. No config needed.

Partially Wireless!! Plug your FC-300+iPad together, then control your HX Stomp Wirelessly!

Requires some aditional hardware. Please read carefully the following requeriment list.



- Line 6 HX STOMP

- Apple iPad + MIDI Designer 2 + this MIDI Layout

- Roland FC-300

- Roland UM-ONE MIDI Interface

- Yamaha MD-BT01 Wireless MIDI Interface

- Apple Lightning to USB 3.0 camera adapter


Making connections:

-Connnect the Roland UM-ONE MIDI DINs (In, Out) to the Roland FC-300, then plug the USB to the Apple Lighning to USB 3.0 camera adapter, plugged to your Ipad.

- Plug the Yamaha MD-BT01 to your HX Stomp, then connect Wirelessy once in MIDI Designer Pro 2



- Premapped SYSEX Mode to make both devices work seamlessly together.

- Offers control over five preset on the FX STOMP (1 to 5)

- Expression Pedals with real-time movement on the iPad screen.

-Bypass and Tuner functions assigned to the Footswitches under the Exp pedals (including On/Off LEDs)

- 3 FS assigned to Snapshots (One LED active)

- One FS to Switch Stomp and Preset Modes, that also works as Tap Tempo.

- 5 FS (lower row on the FC-300) with double function: single press to turn On/Off effects, Long Press to change presets 1-5

- Looper Controls onscreen

- Control over the FC-300 screen brightness and ECO mode.


Version 1.0 - Released 24-MAY-2020

Future versions may include additional features. All updates will be free of charge for current costumers.



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  • 3 months later...

Version 2, coming soon.


V2 Improvements:

— Selectors for each of the 5 footswitches dedicated to program changes
— Memory for 9 internal "Banks" (so, 9x5 presets)
— Four buttons for the HX Stomp modes included in the Looper view
— New "Credits" and "Connect" buttons

Covering the entire Roland FC-300 SYSEX specification plus the HX STOMP MIDI implementation to make them work seamlessly together. All plug&Play! Does not require any user configuration.

More than 1000 lines of Stream Byter code!
About 100 hours of single man work!

Full control over the Roland FC-300 onboard LEDs, 3-Digit Screen (showing preset numbers), LCD Screen (2 x 16 characters), and both Expression pedals, all synced with your HX STOMP!









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  • 2 years later...

Hi Ed.  


I think its wonderful what you have created for the Roland FC-300 to talk to an HX Stomp.


Could I please ask you a question?


There is no support from Roland on this product now, and you must have come across an error in Roland’s documentation for the FC-300 and your could probably help me with minimal effort.


Could you please tell me the address you used to write to the second line of the FC-300 LCD display?


I can write “ABCDEFGHIJKLMNO” to the first line of the FC-300’s LCD display with the following string:


F0 41 00 00 00 20 12 60 00 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F 68 57


But when I try to write to the second line of the display with the following string:


F0 41 00 00 00 20 12 64 00 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F 64 57


nothing shows up on the second line.


I think you must have discovered an error in the FC-300 Midi Implementation notes on page 66 under “Message Display Status” in the FC-300 Owners Manual if you got this working.


The address of 64 00 does not appear to work to update the second line of the LCD display.


I would be so grateful if you could share with me the address you used (or the Hex string) if there is something I am doing wrong with the above.


Thanks so much in advance for your help.



Ottawa Canada.


p.s. I am completing code for Bome MIDI Translator Pro which lets me use the FC-300 with Ableton Live (or other DAWS). I’m happy to share the code with you.



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No longer need your help Ed.  Found the problem after some frustrating trial and error…


In case anyone else is reading this thread, the address for the 2nd line of the FC-300 is 60 40, not 64 00 as incorrectly specified on page 66 of the owner’s manual.


So if you want to write to the second line of the FC-300, you need the following string:


F0 41 00 00 00 20 12 60 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F 00 F7


Note: the 00 on this line is a checksum which you don’t need to calculate if you have a reliable MIDI line. Also, you need the F7 at the end of this line for the FC-300 to start processing the MIDI. (I forgot this in my initial posting).




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