Be careful with USB/Midi interfaces, some of them have issues, expecially when dealing with sysex messages.
I had a cheap chinese usb/midi adapter and I had troubles sending and receiving events for an Alesis Micron, then I had to use another device to be able to use it as I needed.

2016-12-12 14:58 GMT+01:00 Neil C Smith <neilcsmith.net@googlemail.com>:
On 11 December 2016 at 20:38, Will Godfrey <willgodfrey@musically.me.uk> wrote:
> Can anyone recommend one of these that's reasonably small and robust - not
> requiring a second mortgage!
>
> I don't want keys, but programmable push buttons and sliders/knobs. A joystick
> would be icing on the cake.

As you've got a UK email, if you can find one secondhand I'd recommend
a Kenton Control Freak.  Not USB, but fine with a USB<>MIDI interface.
If you want robust, you can't beat it - I've had an SE version over 15
years - been through the wars and still going strong.

Best wishes,

Neil

--
Neil C Smith
Artist & Technologist
www.neilcsmith.net

Praxis LIVE - hybrid visual IDE for creative coding - www.praxislive.org
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