All Questions
24
questions
0
votes
2
answers
60
views
What happens if a 5 V 2.4 A supply is connected to a 21 gauge nichromium wire of 0.79 ohms/ft?
If I connect a USB power supply, rated for 2.4 A max. at 5 V, to a 1 ft 21 gauge nichrome hot wire (resistance 0.79 ohms/ft), what would happen?
Would the wire still heat up, but not much, or will my ...
1
vote
2
answers
250
views
How to determine ground and power wires in USB 2.0 with not standard colors? [duplicate]
My USB 2.0 cable has 4 wires: blue, white, yellow and transparent. I want to connect it to a LED strip that has 2 wires: red (+5V) and white (GND). How can I find ground and power wires among those 4 ...
- 111
0
votes
1
answer
902
views
USB3.0, 3.1 differential pair wire length matching
I have a question about USB 3.0 wire differential pairs length matching.
As we know, the length matching is required and can be calculated when designing the USB3.0 PCBs. But what about the wires?
If ...
- 3
1
vote
1
answer
680
views
What type of wires are used inside a USB 3.0?
In a USB 3.0 cable, there are 9 different wires used. In the same, suppose we take the two differential pair wires (TX, RX) are used, which are in the range of 26-34 gauge. But I need to know what ...
- 19
0
votes
2
answers
1k
views
Just chopped two USB cables,but one of them looks unusual
I just chopped two USB cables but one of them has three white cables and one grey. The other wire has normal colouring of:-Black, Green, White, Red
First wire:
White
White(has single orangestrand)
...
2
votes
2
answers
9k
views
Wiring a Micro-USB cable that doesn't have a black GND and has 3 unshielded wires?
I have this Micro-USB cable I am trying to attach to a new Micro-USB connector, but I don't know how I can wire it when it is missing a GND and has these additional wires. I assume the unshielded ...
- 23
0
votes
2
answers
449
views
USB cable wiring
I have a USB cable from my old Samsung phone. There are four wires: red, white, green, and an unshielded wire.
These wires were in a foil-like cover which was surrounded by another unshielded wire. I ...
0
votes
2
answers
797
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
-1
votes
2
answers
80
views
How to have USB act as a programmable power source? [closed]
I am interested in making a USB device that on 1 end, is a male usb that plugs into a PC like windows. On the other end is something that has a positive and negative terminal (or wire end). I want to ...
- 99
0
votes
1
answer
241
views
Use USB-C cable as multiples regular copper wires
Could it be possible to use a USB-C Cable to USB-C Cable with both end controlled by me, just for use as simple copper wires, without negotiation, etc... Because i would not be using the USB protocol. ...
- 3
0
votes
1
answer
257
views
Trying to program a DSD TECH SH-A10 iBeacon with Sparkfun FTDI Basic [closed]
I ordered some fairly random iBeacon (DSD TECH SH-A10), and I didn't realize that its configuration software is Windows only (http://www.dsdtech-global.com/2017/11/dsd-tech-bluetooth-config-tool.html),...
- 77
0
votes
1
answer
5k
views
Wire color code on usb to lightning data cable (duracell manufactured by esi)
Hi so i have two duracell chare cables. One is 6 feet the other 10, the 10 foot broke so I purchased a 6 foot and was going to lengthen it. Since they are both duracell I figured wires would match ...
2
votes
1
answer
3k
views
Can you combine the outputs of two ports on a USB Battery Pack?
I have a quick question: I have a USB battery pack, and I want to use that battery pack to power a little side project that I have.
Currently, this side project takes an input of 5V 4.8A, and I have ...
- 412
-1
votes
2
answers
87
views
Confused as to why one USB battery pack will run my devices vs why a wall wart will? [closed]
I am trying to run a 5 Volt 4 Amp Item off of a USB Power, and something went wrong today that I wouldn't have expected.
For reference, I am using a USB cable capable of sending 2.4 Amps, and either ...
- 412
0
votes
2
answers
982
views
Super Beginner Question on Soldering to a 5v to 12v USB step Converter
thanks for taking the time to read my question. The real question is on the bottom, the context is super simple stuff that should take 2 minutes to read. Please tell me if you need clarification.
I ...
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