we made this years ago, for arduino due: Grid Studies: Arduino | monome/docs

the newer grids will work with the standard CDC library, but you’ll need to decode the serial protocol (this is easy to do and a good exercise.)

generally i don’t expect that the arduino is the choice USB host platform. i’m not sure which one is at this point— teensy?

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Yep, I’d probably pick up Teensy 4.1 and the host cable if I wanted a lightweight / low’ish power platform - which I’ve done several times by now :blush:

then i’ll definitely keep my old ftdi grid if i get a newer one
thanks for confirming my hunch!

Hi there.
I’m a bit concerned with the USB-C socket of the zero grid. As you can hopefully see in the picture, the socket is a bit recessed from the edge of the device, thus stopping the cable to be firmly inserted.
It works, no probs, but it’s prompt to be disconnected relatively easily. I’ve encountered several disconnections when playing live, which is really unpleasant, and I’m considering touring back with my walnut 256 for this reason.
Is it just my unit ? Any tips ?

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Mine is also recessed like this, however, the cable stays pretty firmly in. I’d say it feels more solid than my older mini-usb 128 grid anyway. EDIT: maybe try a different cable?

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I’ll definitely try with different cables thanks. Actually I’ve got one cable that feels better, but is way too short. Will investigate

I’ve found that with USB C sockets (well USB sockets in general but it seems more prevalent with USB C), it seems like every piece of gear I own I need to find the ideal cable for it. If it WASN’T recessed the way it is, you’d likely have other problems (or it would work fine because you’d have a USB C cables that adapts well to that). I personally prefer recessed like that as if I have the correct cable, the added depth “locks” the tip of the cable slightly more. However if the rubber around the cable doesn’t fit in then yeah, it’ll be prone to disconnect the way you describe. This is an absolute chore really but it’s such a key aspect of live/work, that I always end up overspending in that area (my USB C cable drawer makes me feel like a mad man)

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we tested a ton of cables when selecting the recess distance and also the cable we ship. the recess helps prevent damage if the cable plug is forcefully bent. unfortunately, cables can have manufacting defects where the sleeve is too long and the connection is less secure.

let us know if this happens and we’ll send you another cable. help@monome.org

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I forgot that it came with a cable, thanks, it must be somewhere then….

has the usb slot depth been changed in monome one/zero? i have a monome zero and cables fit it better - they attach with a small securing click, while with my 128 of 2022 they fall out pretty easily.