All Questions
Tagged with power-supply usb
16 questions
12
votes
1
answer
142
views
Powered USB3 hub
Sounds easy, right?
NOPE!
In an attempt to do away with this dreaded message:
I am looking for a USB hub for my Macbook Pro that meets the following requirements:
Externally powered on all ports (...
- 265
11
votes
2
answers
132
views
Charging a smartphone on a bicycle
I often explore the countryside with my smartphone saddled on my bicycle providing GPS information. This is battery-intensive so I would like to charge the phone while riding.
Requirements:
Not ...
- 444
9
votes
3
answers
5k
views
Multi-port, 100W @ 5A, USB-C charger
I've been looking to replace a couple Anker PowerPort-style 5-port USB-chargers around my house (computer desk, entryway table, laboratory workbench) with ones into which I can plug my 15″ Macbook Pro....
- 212
7
votes
1
answer
1k
views
Are there any USB battery packs that can provide power while charging?
I have an external battery pack, for my phone. But I just bought a Raspberry Pi, and would like to create a UPS - fairly cheaply.
I tried charging my phone and charging the pack with this one but it ...
- 183
7
votes
0
answers
207
views
Non-generic power adapters with barrel connectors with 2.5 mm OD and 0.8 mm ID for Chinese tablets?
A lot of Chinese tablets (and probably some others as well) use a barrel connector instead of microUSB to charge. They all seem to use the standard size of 2.5 mm OD (outside diameter) and 0.8 mm ID (...
- 195
4
votes
1
answer
63
views
What multi-port wall USB-chargers exist which support QC 3.0?
I'm looking for a US wall-plug charger which supports Qualcomm Quick Charging 3.0 (QC 3.0) or later The trouble is that while there a re many chargers with one QC 3.0 port, and other 5V 2.1A ports, I ...
- 165
4
votes
1
answer
92
views
USB C 3.1 Mini PC capable of running Linux
I have an MBP for work. I want to have a dedicated development environment for private projects to not mess up my work setup. Also, I wanna run Linux (just Ubuntu something).
The MBP is currently ...
- 193
3
votes
0
answers
280
views
USB-C Hub with PD and DP Alt Mode
I have been looking for a USB C hub that is able to charge via PD whilst at the same time taking the video signal from the port and offering it on a separate USB C port on the hub. However after weeks ...
- 131
3
votes
0
answers
44
views
Specify Output Voltage of a USB Dongle
I am looking for some device which offers an API to specify the voltage output of an USB port.
So actually I want to give power to some hardware by the USB Port and I want to specify on the PC if I ...
- 31
2
votes
4
answers
6k
views
What is the max USB cable type-A male to type-c male Volt/current/Wattage possible?
I am struggling to understand USB type-C specifications in terms of power supply,
took me a lot to figure out about USB data bandwidth but now that type-C is used to charge
mobiles need to learn more.
...
- 125
2
votes
0
answers
27
views
USB 3.5" HDD that uses USB-PD (no additional power supply)
I am searching for an external USB-C HDD 3.5" enclosure (for a single disk) that only requires one USB-C cable, no additional power supply.
USB-PD (Power Delivery) allows devices to query ...
- 121
2
votes
0
answers
32
views
USB hub with power (and data) control
Many (and fast) USB hubs are available in the market, but most of them do not provide a selective control over their single ports. From the OS, I would like to be able to:
activate and deactivate ...
- 121
1
vote
1
answer
56
views
I'm looking for the right hub / adapter which can work with my vga to smartphone cable and some other USB devices like mouse and keyboard
I'm using the adapter that you see below to attach a VGA monitor to my smartphone and I see on the monitor what I see on my smartphone (samsung note 3) :
now,what I want to do is to find the working ...
- 151
1
vote
0
answers
17
views
USB 3.1 splitter Type C (male) to 2x Type A (male)
Because the default power of USB 3.1 is at max. 4,5 Watt I thought I could use a splitter or Y cable for that. The idea is that one USB-A male connector transfers the data (10 Gbit) and power and the ...
- 111
1
vote
0
answers
36
views
Is there a two-computer, multiple-port USB or KVM switch with *individual buttons* for each USB device?
I operate a two-computer setup with multiple displays and a plethora of USB devices. I have a pretty excellent KVM switch, that I'm generally very happy with; but I often need to switch the keyboard/...
- 212
0
votes
2
answers
149
views
Why using an adapted 15-pin SATA connector, my Hard Disk does not turn on?
I have bought this cable in order to use a separate USB adapter to power my desktop hard disk (3,5")
At one end is a normal USB male connector, and on the other end is an adapted 15-pin plug. ...
- 125