All Questions
20
questions
0
votes
0
answers
51
views
What is the meaning of a 28k pull-up resistor in an USB A-to-C cable?
Since that debacle a few years ago, I assembled a small test harness where I plug every new A-to-C cable that I get to check for the 56k pull-up resistor between CC and Vin and toss out the ones that ...
- 23
0
votes
1
answer
84
views
USB C - USB A cable connection for power source
I'm trying to power a small microcontroller board using the USB-C of a smartphone, to do so I took a USB C - USB A that has 4 lines (Vcc, GND and 2 data), but I'm not able to get 5V out of it.
Simply ...
- 135
0
votes
1
answer
135
views
How to make an USB cable cross a door?
Note: I am torn between posting this here, SE DIY or SE IoT. Since this is related to powering on my smart devices and the electrical connection I need to use, I finally settled down on SE EE. Please ...
- 527
0
votes
2
answers
525
views
Extend cable of USB hub [closed]
I bought a device recently which is a USB hub. It has multiple HDMI ports, multiple USB 2.0 and USB 3.0 ports, an Ethernet port, an SD card slot, etc. It is a beast. It connects to my laptop via a USB-...
- 12k
-1
votes
1
answer
349
views
How to connect LEDs to D+ and D- of USB 3.0 cable [closed]
I need to connect LEDs to USB 3.0 cable that connect to PC and to embedded device.
I want visual control to see data transfer by this USB cable and want to connect LEDs for this purpose, like Ethernet ...
- 15
1
vote
1
answer
349
views
USB3.1 solder directly to receptacle
I have a device (memory card) that has a USB 3.1 receptacle type-C connector. We would like to solder a USB 3 cable directly to the receptacle pads. We have used the following diagram:
Link to ...
- 55
2
votes
1
answer
2k
views
What is the maximum USB cable type-A male to type-C male voltage/current/power possible?
I am struggling to understand USB type-C specifications in terms of power supply.
It took me a lot to figure out about USB data bandwidth but now that type-C is used to charge mobiles I need to learn ...
- 125
1
vote
0
answers
651
views
Solderless SuzyQable without Breadboard
Is it possible to wire a SuzyQable without soldering and without a breadboard?
Chromium documentation on how to wire the cable: https://chromium.googlesource.com/chromiumos/third_party/hdctools/+/HEAD/...
- 11
1
vote
1
answer
97
views
USB-C used only as analog tranmission line and not as intended?
For a side project I was planning on using a connector with about 20 lines/pins and as small as possible. The USB-C popped into my mind since it contains many lines (24), it's very cheap nowadays and ...
- 21
0
votes
1
answer
107
views
USB-C to USB-A to Micro for charging
The project is to add 2 USB-A ports to my bass amp so I can charge my device(s) during a gig. To do that, I bought a 2-port USB panel mount connector (intended to connect to a motherboard) and a 2-...
- 181
0
votes
1
answer
84
views
Best cable to carry 3 DP (differential pairs), power, ground and 4 signals
i need to carry the signals from a Raspberry compute module to a camera module and vice versa. Since I need to place the camera around 4 foot away from the microComputer, and i want the connection to ...
- 101
0
votes
2
answers
799
views
What is the B5 pin for USB-C cable? Something wrong with Wikipedia?
On Wikipedia there seems to be inconsistency between the first and second tables: the first table says that B5 pin is for Configuration Channel, while the second table says that the B5 pin is for ...
- 101
2
votes
0
answers
909
views
Use USB-C alternate mode pins for custom signals?
I am working on a product that is made of 2 parts: a host with a male USB-C connector and a device with a female USB-C connector that plugs onto it.
The plan is to use USB-C because it's a nice ...
- 81
0
votes
1
answer
70
views
usb 3 SS cable type to IP64 panel connector
I am designing an industrial equipment on which a USB 3.0 connection is required (for speed reasons).
The electronics being in an IP64 box, I am forced to transfer the USB-C/3.0 connector to a panel ...
- 3
-1
votes
1
answer
6k
views
Wiring USB 2.0 to USB C Receptacle
I have a keyboard that uses a USB 2.0 cable to connect to the computer. I would like to remove the current USB 2.0 cable and replace it with a USB C receptacle. The goal is to be able to connect the ...
- 13