Offworld-1: USB power utility

xenus_dad · 2018-07-18T01:34:24.272Z

Ensure all three cables work individually to connect your grid. I had trouble using a cable grid & Ansible were unhappy with with my Offworld, even for the power connection. Probably user error but still, make sure all three are good.

Can you post pics of your build?

jlmitch5 · 2018-08-02T01:26:11.446Z

could i plug a keyboard and grid into a usb hub, into offworld-1, into teletype (and power)?

scanner_darkly · 2018-08-02T02:28:57.734Z

libavr32 code used by teletype/trilogy/ansible doesn’t support usb hub protocol, so this won’t work unfortunately.

jlmitch5 · 2018-08-02T03:04:25.013Z

ah, wishful thinking. I actually have offworld-1 mounted in a pretty convenient spot for swapping so not a huge deal

IMG_7809.JPG3024×4032 2.1 MB

scanner_darkly · 2018-08-02T03:08:20.710Z

the cool thing with intellijel case is you can use the usb tile to power the offworld.

jlmitch5 · 2018-08-02T03:16:41.787Z

o neat!

(tagent) I currently have a surge protector mounted underneath the board which has one of the iphone outlet plug -> usb adapters. I’m planning on updating that to a two usb port version, as I’ve run out of room to power norns as well (and I’m working on an auxillary board with norns/keyboard/grid and nanokontrol faders to use with the modular/pedal system) will share in the standalone instruments thread once I get it all figured out and wired up.

tehn · 2018-08-27T15:26:25.175Z

soldered pcbs in stock. https://market.monome.org/products/offworld-1

these no longer include the plexi covers. price lowered.

adrianf · 2018-08-27T15:36:14.816Z

Thanks for making these available again. I did the y-splitter thing, but it’s nice to have both options!

fever606 · 2018-08-30T21:16:32.493Z

Thanks @tehn and @bpcmusic!

IMG_E3040.JPG2542×1938 871 KB

noiserock · 2020-02-06T17:53:26.572Z

I would love a modded offworld with male usb-c on one end and female Micro USB for power and female standard usb for data on the other end. To be able to plug in external midi controllers to my OP-Z while charging… would this be an easy breadboard build? it’s all about signal routing, am I right?

infovore · 2020-02-06T18:04:29.462Z

one problem will be finding any form of usb-c connector that can be easily breadboarded; most are SMD, and the few that are through-hole aren’t breadboard friendly. there are small usb-c “modules” that exist, where someone has broken then out to breadboard/perfboard-size pins. I’d recommend just making a custom board.

okyeron · 2020-02-06T18:06:29.178Z

I’m not sure a breadboardable USB-C connector exists. USB A/B connectors are 5 pins, USB-C is 24 pins. There’s also extra circuitry inside USB-C cables (e-marked cables) which needs corresponding components on the host side for compatibility.

You might be better off trying to find a commercial power splitter + adapters.

noiserock · 2020-02-06T18:08:27.948Z

yeah. did some research now as well. not sure if I want to climb down the USB-C compability rabbit hole. I guess I’ll keep searching for a lean splitter.

Edit:
Something like this would be prefect. But it looks like they gave up on the usbC rabbit hole as well.

Cusby

Unlock the power of the new USB-C port. Simple solution for every connection need. Don't lose connectivity again when you need it the most

Bigtime_Snacks · 2020-08-26T22:02:28.178Z

I’m having a hard time getting one of these up and running. I’ve soldered up all three boards that came in my order and am having a consistent issue: the Grid will receive power through the Offworld, but the grid will not get recognized by any of my devices (computer, teletype, ansible). I’ve tested with a variety of cables, all of which I can get to work when plugging the Grid straight into a device.

My question now is whether I’m misinterpreting the Offworld board itself. On the board, I can see the dark lines running from the USB A jack to one of the USB mini jacks (the “bottom” jack in my photo). I thought this would mean that the jack would be powering the Grid. However, the grid only receives power from the jack with no visible lines running to the USB A jack. Am I correct in that the USB A goes to the power source, the “top” jack goes to the grid, and the “bottom” jack goes to the teletype?