Adafruit
Zero4U - 4-Port USB Hub without Pogo Pins
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One can never have enough socks, or USB ports. Add some more USB capability to your Raspberry Pi Zero, or any other single-board computer with the Zero4U!Thi...
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One can never have enough socks, or USB ports. Add some more USB capability to your Raspberry Pi Zero, or any other single-board computer with the Zero4U!
This is a 4-port USB 2.0 hub, almost identical to this one, but without the ferrite bead, standoffs or pogo pins. This might be a preferable format if you want to mount it on the bottom or side-by-side or with another HAT below it. It's also great as-is as a small USB hub.
Since this version does not have the pogo pins, we recommend using the onboard mini-USB port to the up-stream USB port, which will provide power and data. Or, you can solder to the test pads or use the JST XH2.54 connector on board as the power input port.
The blue onboard LED is the power indicator, and will light up when power is connected. Each USB port uses a dedicated white LED as a transaction indicator, and a dedicated electrolytic capacitor to help stabilize the output voltage.
Note: This is just the USB hub board. If you need one with standoffs, spacers, and pogo pins, take a look here!
Jargon buster
Plain-language definitions for the technical terms used above.
- electrolytic capacitor
- An electrolytic capacitor is a type of capacitor that can store relatively large amounts of electrical charge in a small package. It is commonly used for smoothing power supplies, reducing noise, and short-term energy storage, but it usually has polarity so it must be installed the correct way around.
- LED
- A light-emitting diode (LED) is a small electronic component that emits light when current flows through it in the correct direction. Because it only conducts one way, its polarity matters, and a through-hole LED must be soldered the correct way around to light up.
- single-board computer
- A complete computer built onto one circuit board, usually including the processor, memory, ports, and connectors. This matters because accessories like heatsinks must match the board’s layout and mounting holes to fit properly.
- USB 2.0
- USB 2.0 is a widely used wired standard for carrying both data and power between a device and a computer or other compatible host, with data rates up to 480 Mbps. It indicates the kind of port a device uses and that it should work with most modern and many older computers.
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