Questions tagged [hub]

Hub referring to a node with multiple links, thus expanding a single port into several to allow for the connection of more devices to a host system. Relevant for different network or bus systems, e.g. ethernet, USB, SATA

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What to know about powered USB hub?

I'm a bit lost in electricity stuff, but I want an USB hub to power supply my Raspberry Pi and my hard drive. I know that there are lists of USB hubs for Raspberry Pi that works perfectly, but I want ...
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2answers
7k views

Can the Raspberry Pi Zero be powered by a real usb port?

I have a powered USB hub. Can I use it to power the Raspberry Pi Zero using up just one Micro USB port? Or does the power have to come from one particular port that is only used to provide power?
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0answers
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USB hub not working after boot

I have strange problem with USB hub manufactured by LC Technology with chip GL850G. When I power on the raspberry, hub doesn't seem to work (LED is off), but when I disconnect hub from port and hot-...
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1answer
219 views

External powered HDD not listed after boot

I have an hub for HDDs where I have two of them (WD purple 2TB). If the Raspberry is ON and I switch on also the hub, the two HDDs are recognized by the Pi as sda and sdb (listed with sudo fdisk -l). ...