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Groups > alt.comp.os.windows-10 > #117598
| From | "Commander Kinsey" <CFKinsey@military.org.jp> |
|---|---|
| Newsgroups | alt.comp.os.windows-10, alt.computer.workshop |
| Subject | Re: Turn off data and only leave power on USB port? |
| Date | 2020-07-15 23:07 +0100 |
| Organization | X |
| Message-ID | <op.0ntg2kbywdg98l@glass> (permalink) |
| References | <op.0no6coc3wdg98l@glass> <DikPG.134276$eN2.44792@fx47.iad> <rel33s$9kq$1@dont-email.me> <HjHPG.67216$hQ4.40991@fx39.iad> |
Cross-posted to 2 groups.
On Wed, 15 Jul 2020 18:48:23 +0100, wrote: > On 7/14/2020 1:04 PM, Paul wrote: >> Mark Lloyd wrote: >>> On 7/13/20 9:25 AM, Commander Kinsey wrote: >>>> How do I make a USB port in Windows 10 just provide power and not a >>>> data connection? For example my satnav has a low battery and I just >>>> want to use it indoors. But when it sees the PC, it just becomes a >>>> removable drive and I can't use it. >>> >>> A charge-only cable? >>> >>> IIRC the data lines are cut on the controller (computer) side and >>> shorted on the device side. >>> >> >> For charging, you don't always cut D+ and D-. >> >> There is a strap resistor scheme for signaling. >> >> Before some of those smart cables came along. >> >> If you bought a charging cable, and found something >> other than D+ shorted to D- or so, you'd get out the >> ohm meter and check for the strapping patterns. >> >> These weren't necessarily standardized either. Whereas >> the later USB specs defined more complicated ways of >> doing the signaling. >> >> https://www.instructables.com/id/Modify-a-cheap-USB-charger-to-feed-an-iPod-iPhone/ >> >> >> "Nowadays the iPhone expects a certain voltage on those >> two pins to decide how much current to absorb from the charger. >> >> Putting a 2.0 V voltage on both the pins the iPhone will >> absorb about 500 mA >> >> While with 2.8 V on D- and 2.0 V on D+ it will absorb about 1000 mA." >> >> Computer ------ strap resistors ------------ voltage pattern the peripheral >> D+ to rails, D- to rails can see, and adjust its >> appetite >> accordingly. >> >> And you select the resistor scheme used, so that if D+ and D- >> start driving out, nothing gets burned. There are two diagrams >> on the page, showing some >10K resistors used for the >> strapping. They use voltage dividers. >> >> The resistors are for the peripheral to read. If the expected >> pattern is not there, it might even refuse to charge. >> >> Paul > > > I got yer "strap resistor" hangin'. > LOL Mine is hangin' to da left - Bill Cosby.
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Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-13 15:25 +0100
Re: Turn off data and only leave power on USB port? Snit <usenet@gallopinginsanity.com> - 2020-07-13 07:30 -0700
Re: Turn off data and only leave power on USB port? Avila Kap <kap0utox01@jamaica.com> - 2020-07-13 07:44 -0700
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-13 15:56 +0100
Re: Turn off data and only leave power on USB port? Mark Lloyd <not@mail.invalid> - 2020-07-14 10:38 -0500
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-14 20:40 +0100
Re: Turn off data and only leave power on USB port? Snit <usenet@gallopinginsanity.com> - 2020-07-14 19:53 +0000
Re: Turn off data and only leave power on USB port? Avila Kap <kap0utox01@jamaica.com> - 2020-07-14 13:29 -0700
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-14 23:02 +0100
Re: Turn off data and only leave power on USB port? hah <hah@no.email.stupid.invalid> - 2020-07-15 12:37 -0500
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-13 16:07 +0100
Re: Turn off data and only leave power on USB port? Snit <usenet@gallopinginsanity.com> - 2020-07-13 08:36 -0700
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-13 17:08 +0100
Re: Turn off data and only leave power on USB port? Chris Elvidge <chris@mshome.net> - 2020-07-13 17:05 +0100
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-13 17:10 +0100
Re: Turn off data and only leave power on USB port? Ralph Fox <-rf-nz-@-.invalid> - 2020-07-14 06:26 +1200
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-13 19:33 +0100
Re: Turn off data and only leave power on USB port? Mark Lloyd <not@mail.invalid> - 2020-07-14 10:37 -0500
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-14 20:39 +0100
Re: Turn off data and only leave power on USB port? Paul <nospam@needed.invalid> - 2020-07-14 16:04 -0400
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-14 23:06 +0100
Re: Turn off data and only leave power on USB port? "\"Colonel Edmund J. Burke\" <\"l:nopzmysnusa?xe\"@blkz[.com" - 2020-07-15 10:48 -0700
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-15 23:07 +0100
Re: Turn off data and only leave power on USB port? "wasbit" <wasbitREMOVE@hotmail.com> - 2020-07-16 10:06 +0100
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-16 18:56 +0100
Re: Turn off data and only leave power on USB port? Snit <usenet@gallopinginsanity.com> - 2020-07-16 17:08 -0700
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-24 20:49 +0100
Re: Turn off data and only leave power on USB port? MajorLanGod <lonelydad58@gmail.com> - 2020-07-26 17:38 +0000
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-26 19:54 +0100
Re: Turn off data and only leave power on USB port? nospam <nospam@nospam.invalid> - 2020-07-26 14:59 -0400
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-08-10 19:50 +0100
Re: Turn off data and only leave power on USB port? Mark Lloyd <not@mail.invalid> - 2020-08-11 11:50 -0500
Re: Turn off data and only leave power on USB port? nospam <nospam@nospam.invalid> - 2020-08-11 13:08 -0400
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-08-11 18:33 +0100
Re: Turn off data and only leave power on USB port? Mark Lloyd <not@mail.invalid> - 2020-08-11 21:06 -0500
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-08-12 18:11 +0100
Re: Turn off data and only leave power on USB port? nospam <nospam@nospam.invalid> - 2020-08-12 13:14 -0400
Re: Turn off data and only leave power on USB port? Rene Lamontagne <rlamont@shaw.ca> - 2020-08-12 12:35 -0500
Re: Turn off data and only leave power on USB port? Mark Lloyd <not@mail.invalid> - 2020-08-12 12:24 -0500
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-08-13 00:54 +0100
Re: Turn off data and only leave power on USB port? nospam <nospam@nospam.invalid> - 2020-08-12 20:25 -0400
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-08-11 18:32 +0100
Re: Turn off data and only leave power on USB port? "wasbit" <wasbitREMOVE@hotmail.com> - 2020-07-17 09:50 +0100
Re: Turn off data and only leave power on USB port? Snit <usenet@gallopinginsanity.com> - 2020-07-17 08:58 +0000
Re: Turn off data and only leave power on USB port? David_B <DavidB@nomail.afraid.org> - 2020-07-17 13:13 +0100
Re: Turn off data and only leave power on USB port? Snit <usenet@gallopinginsanity.com> - 2020-07-17 14:17 +0000
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-28 22:14 +0100
Re: Turn off data and only leave power on USB port? Snit <usenet@gallopinginsanity.com> - 2020-07-28 14:21 -0700
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-29 00:50 +0100
Re: Turn off data and only leave power on USB port? Snit <usenet@gallopinginsanity.com> - 2020-07-28 17:06 -0700
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-08-15 21:01 +0100
Re: Turn off data and only leave power on USB port? MajorLanGod <lonelydad58@gmail.com> - 2020-08-15 23:47 +0000
Re: Turn off data and only leave power on USB port? Ken Blake <ken@invalidemail.com> - 2020-08-15 17:16 -0700
Re: Turn off data and only leave power on USB port? nospam <nospam@nospam.invalid> - 2020-08-15 20:58 -0400
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-08-16 21:18 +0100
Re: Turn off data and only leave power on USB port? nospam <nospam@nospam.invalid> - 2020-08-17 07:10 -0400
Re: Troll-feeding Senile ASSHOLE Alert! Peeler <trolltrap@valid.invalid> - 2020-08-17 16:11 +0200
Re: Turn off data and only leave power on USB port? Paul <nospam@needed.invalid> - 2020-08-16 14:43 -0400
Re: Turn off data and only leave power on USB port? soup <cheesesoupnews@hotmail.com> - 2020-08-17 09:52 +0100
Re: Troll-feeding Senile HUGE ASSHOLE Alert! Peeler <trolltrap@valid.invalid> - 2020-08-17 12:03 +0200
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-08-15 21:01 +0100
Re: Turn off data and only leave power on USB port? Snit <usenet@gallopinginsanity.com> - 2020-08-15 20:29 +0000
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-08-16 00:22 +0100
Re: Turn off data and only leave power on USB port? Snit <usenet@gallopinginsanity.com> - 2020-08-15 23:30 +0000
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-08-16 21:33 +0100
Re: Turn off data and only leave power on USB port? Snit <usenet@gallopinginsanity.com> - 2020-08-16 20:42 +0000
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-08-16 22:21 +0100
Re: Turn off data and only leave power on USB port? Snit <usenet@gallopinginsanity.com> - 2020-08-16 21:33 +0000
Re: Troll-feeding Senile ASSHOLE Alert! Peeler <trolltrap@valid.invalid> - 2020-08-16 23:41 +0200
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-08-16 23:22 +0100
Re: Turn off data and only leave power on USB port? Snit <usenet@gallopinginsanity.com> - 2020-08-17 00:01 +0000
Re: Troll-feeding Senile ASSHOLE Alert! Peeler <trolltrap@valid.invalid> - 2020-08-17 10:27 +0200
Re: Troll-feeding Senile ASSHOLE Alert! Peeler <trolltrap@valid.invalid> - 2020-08-16 23:39 +0200
Re: Turn off data and only leave power on USB port? "Jonathan N. Little" <lws4art@gmail.com> - 2020-08-16 16:59 -0400
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-08-16 22:19 +0100
Re: Troll-feeding Senile ASSHOLES Alert! Peeler <trolltrap@valid.invalid> - 2020-08-16 23:44 +0200
Re: Turn off data and only leave power on USB port? Chris Elvidge <chris@mshome.net> - 2020-07-29 11:07 +0100
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-08-14 21:31 +0100
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-28 22:15 +0100
Re: Turn off data and only leave power on USB port? Snit <usenet@gallopinginsanity.com> - 2020-07-28 14:18 -0700
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-29 00:50 +0100
Re: Turn off data and only leave power on USB port? Snit <usenet@gallopinginsanity.com> - 2020-07-28 18:20 -0700
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-08-14 21:30 +0100
Re: Turn off data and only leave power on USB port? Snit <usenet@gallopinginsanity.com> - 2020-08-14 20:34 +0000
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-08-14 21:54 +0100
Re: Turn off data and only leave power on USB port? Jim H <invalid@invalid.invalid> - 2020-07-15 14:37 +0000
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-16 20:11 +0100
Re: Turn off data and only leave power on USB port? Jim H <invalid@invalid.invalid> - 2020-07-17 15:07 +0000
Re: Turn off data and only leave power on USB port? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-18 00:20 +0100
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