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Results tagged with usb
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user 156086
USB is Universal Serial Bus. If your question relates to a specific chip, please mention it in your question.
1
vote
Accepted
Replacing keyboard USB-A cable with a USB-C female connector
Connect shield to the body of the connector. That's literally what the shield is in such a cable.
If it's not exposed on the breakoutboard, you may be able to solder it to the shroud of the connector. …
- 1,151
1
vote
Where do USB ports on laptops typically source their power when the laptop is charging?
If the voltage at the bus connected to the battery is higher than the battery voltage (given by the State of Charge of the battery), current will flow into the battery, charging it.
In this case, cu …
- 1,151
3
votes
Slow usb charger for my smart phone?
Is it possible to purchase a usb wall charger that charges at that voltage? Or perhaps 3.9v? I'm not finding anything on google.
The USB charger, as you call it, is not charging the battery. … The USB spec says 5V, +0.25V, -0.55V. Your 3.9V would be wildly outside the spec. A good phone would decide that the power source is not reliable, and do nothing with it. …
- 1,151