The Definitive Guide to Trying to Connect Your OP-1 Via USB-MIDI

…this is the only thing everyone needs. no hassle. no hick ups. tight and fast USB midi.

Im trying to find the most affordable (but still reliable) device for midi expansion for my OP… really hoping to find something that doesnt need a power supply. would the midisport work? If I could even find the right cable to connect them… https://www.sweetwater.com/store/detail/MIDISport2AE--m-audio-midisport-2x2-anniversary-edition?gclid=CjwKCAiAlfnUBRBQEiwAWpPA6cJVCleTVKacbj1ZUbYeL6DRE5Aj2XaUb2_aUDycrNFb0CFGqXz6CBoCGAwQAvD_BwE


any other suggestions?
Is anyone there has the CerebelUSB ?

Yes I have the cerebelUSB. In fact Im just trying to use the op-1 together with a Boss RC 505 looper (slave). Inbetween I use the midihost. The tempo transmits fine to the looper but Tape "play" does not start the looper. Does anyone have an idea on how to make this happen?

Did you ever figure this out? Im hoping to use my op with my infinity looper…

Im trying to find the most affordable (but still reliable) device for midi expansion for my OP... really hoping to find something that doesnt need a power supply. would the midisport work? If I could even find the right cable to connect them... https://www.sweetwater.com/store/detail/MIDISport2AE--m-audio-midisport-2x2-anniversary-edition?gclid=CjwKCAiAlfnUBRBQEiwAWpPA6cJVCleTVKacbj1ZUbYeL6DRE5Aj2XaUb2_aUDycrNFb0CFGqXz6CBoCGAwQAvD_BwE

any other suggestions?

No, that will not work. Something like the hobbytronics that people have mentioned or the cerebelUSB will be the cheapest – but most limited for future expansion. If you don’t plan on going for more than OP-1 and one USB DIN device, then cheap will be easy. Anything more will cost more.

Hi. Have anyone tried out the Miditech USB host. Seems better than the Cerebel V2 since it has both IN and OUT. Further it is cheaper than the Kenton.

https://www.thomann.de/dk/miditech_usb_midi_host.htm

cheers

It’s not cheap (roughly $225 on reverb) but you can use a USB hub and it has some pretty cool I/o and Midi hacking abilities… https://www.bome.com/products/bomebox
anyone have one?

I am trying to sync my op-1 to the rest of my rig, using the Kenton. The sync works for everything else but the tempo numbers are way off for the op1. Sync works great over usb, but I get a bad hum that way. Any ideas? connection settings are correct.

@nomadjames

what’s your setup and midi clock source? I have Kenton too and it just works.

@mathelev said:
Hi. Have anyone tried out the Miditech USB host. Seems better than the Cerebel V2 since it has both IN and OUT. Further it is cheaper than the Kenton.

https://www.thomann.de/dk/miditech_usb_midi_host.htm

cheers

Can anyone comment on this? it seems to be a cheap solution (if it works)

any new portable battery powered solutions?

@Onemanbandthing I have a bomebox.
Experimenting with: OP1 + BomeBox connected to a Roli Seaboard Rise. Midi Hacking the Seaboard MPE values and mapping to the four Midi CCs of the OP1.
btw. bomebox is connected to micro usb battery power.

So, basically everything is battery powered. OP1, Seaboard & BomeBox.

I could not find any information on here about the Midiplus USB MIDI Host Controller (https://www.amazon.ca/midiplus-USB-MIDI-Host-Controller/dp/B074NGTGHN)

Has anybody tried it with the op-1? There is one post mentionning on reddit that they’ve used it to control a midi device from the op-1 but I’m wondering if it’s working on the other way? (Reliably controlling the op-1 from an external controller).

it took me way too many hours of fiddling around but i finally figured out how to connect w/ serial to enable realtime messages w/ the hobbytronics usb midi host boards.

while searching how tf u are supposed to do this, i came across this thread which i think some ppl said that the realtime messages didn’t work correctly for op1? but this was from several years ago.

not sure if the guy fixed it in subsequent updates or what but
can say that the clock sync to/from both the op1 and opz are golden! among others.

if anyone is ever trying to do this on mac osx
(because i couldn’t find much info on this)
don’t use terminal (& screen command)
for some reason i couldn’t get it to work at all.
used CoolTerm like someone suggested here and added the baudrates.ini file w/ 31250 in it
in the same directory for the correct baud rate.
used a FTDI Basic from sparkfun (any FTDI serial thingy should work).
connected RX of FTDI Basic to TX of hobbytronics
TX to RX
and 5V to 5V and GND to GND.
or if u are powering the HT separately already,
u just need to connect the GNDs (is important as just connecting RX and TX doesn’t work either)

hope this might help someone out there now or in the future

@Boytec said:
Is anyone there has the CerebelUSB ?

Yes I have the cerebelUSB. In fact Im just trying to use the op-1 together with a Boss RC 505 looper (slave). Inbetween I use the midihost. The tempo transmits fine to the looper but Tape “play” does not start the looper. Does anyone have an idea on how to make this happen?

did you figure this out I AM GOING to have both these devices soon

he’s got something cooking :shallow_pan_of_food:

Has anyone invented a more refined midi usb host yet? Something that does not involve another box?

edit - as mentioned above this thing looks great

https://blokas.io/pisound/

shame its out of stock

with the blokas you‘ll need a raspberry pi underneath the unit, with the solution posted above you‘ll just need a raspberry and get the Organelle mother image on top!

paired with the Op-Z, the OpZ acts as a soundcard for the raspberry pi or use a cheap usb soundcard. you can‘t go smaller and cheaper (featurewise)

hi there!
Could you pls answer me, i need to connect Octatrack with OP-1, and can’t found Kenton usb host in my local stores but i found Miditech USB MIDI Host, is it good for OP-1?
thx

no reason it shouldn’t work from what I can see

I actually got it today and will be returning it! :frowning: it works for like 30 seconds and then nothing… doesn’t seem to play nicely with the OP-1. I wouldn’t recommend it. ( I know this was from 2 years ago, but just in case others are reading this…)