![]() ![]() The external cable is a but ugly, but no worse than a dangly USB on-the-go cable and an external hub, powered or otherwise.Ĭircuitbeard’s case makes for a much neater, more readily portable package. Hi-Speed 7-Port USB 2.0 Powered Micro HUB, AC Powered. (More testing to come.) Was not able to record audio properly via a Soundblaster Play device. Able to power the Raspberry Pi, keyboard, mouse and LogiLink UA0144 USB Ethernet adapter. My soldering’s not quite up to the task, alas, so I’ll stick with the cable and bus-powered devices: a WiFi dongle and, occasionally, a keyboard. UA0160 USB 2.0 Hub, 4-Port with PSU 5 V, 2 A. That said, if you’re up for the soldering anyway, you shouldn’t have too much trouble drilling the case to create the holes you need for the USB data wires to pass through. It’s also possible to run a couple of wires from other pads on the Zero to a different bit of the hub and do away with the USB adaptor cable altogether, but the case doesn’t expose that part of the Zero. Trouble is, you still need the external cable for data, so all it does is save you a second power cable. Or you can wire a couple of tiny pins on the bottom of the hub’s PCB to two pads on the underside of the Zero, and feed power to the hub from the Zero, or vice versa. You can hook up the hub’s own AC adaptor if you need hub power. Small circular spacers stop the corners pulling in when you tighten the main bolts.Ĭircuitbeard supplies two top-sheets: one with a gap cut to make room for GPIO pins and a second that covers the Zero entirely. The hub is held in place by a bolt that runs between two of the USB connectors and by gaps in the base sheet which trap solder points on the PCB. The Zero is fixed to its base-sheet with four smaller bolts which you’ll need to cut down to size once they’re in place. The whole assembly is held together by four bolts at the corners. The circuit boards are each sandwiched by a couple of acrylic sheets. The design is very reminiscent of Pimoroni’s Pibow: all laser-cut clear acrylic sheets and those annoying nylon nuts and bolts you can never tighten properly without smearing the thread. Think of it as a tiny bunk bed with the Zero resting on top and the hub’s main circuit board reposing on the level below. ![]() Sheffield-based Circuitbeard’s case doesn’t only house a Zero, it’s also intended to hold an equally diminutive four-port USB hub. ![]()
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