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Show voter details
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moderate
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Proxies\__CG__\App\Entity\Entry {#1583
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+magazine: Proxies\__CG__\App\Entity\Magazine {#1587 …}
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+slug: "Does-multiplexing-a-usb-power-cable-from-2-cables-into"
+title: "Does multiplexing a usb power cable from 2 cables into 1 impact energy efficiency?"
+url: null
+body: """
I have two led strips used for 2x27" monitor bias lighting. Each have their own USB cables for power. These two USB cables are plugged into a 2-port wall charger for a phone. I would like to use a 2x female to 1x male adapter to join the two USB cables into one, then plug it into a much smaller 1-port USB wall charger. The reason is due to my space constraints.\n
\n
Will doing this impact its energy efficiency, ie using an adapter like this?\n
\n
[www.aliexpress.com/item/1005004340044483.html](https://www.aliexpress.com/item/1005004340044483.html)
"""
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Watts in a resistive example like yours is Volts x Amps. I would have been able to much better answer this question a year ago so forgive me if I’m misremembering the specs but I’ll answer since nobody else has. Two things that suggest to me this might be a bad idea:\n
\n
- Charger is 40W, that’s probably usb PD (I don’t know anything about QC so maybe I’m wrong). PD supplies more than 15W (5V x 3A) by stepping up the voltage, not the amperage. While stepping up either would likely be bad or very bad for some part of your circuit, don’t worry about that though; without the powered device telling it to, PD won’t activate. It should max out at 15W… I think. It depends on the resistance on the CC lines and using a splitter could screw up the resistance that tells the power supply which USB version to support so it can go up to 3A (15W). Sorry, it’s been a while since I’ve worked with USB power. 2 strips of 11W will need more power than that. Basically my concern is you won’t get adequate power out of the charger for one reason or another.\n
- Where are you getting the 11.52W/min number? Watts don’t have a time unit and that much precision sketches me out. Almost as if someone who isn’t adequately educated measured the power straight off a multimeter once and just wrote that on a product page. Is the LED strip from a reputable manufacturer?
"""
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…2
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Show voter details
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edit
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Proxies\__CG__\App\Entity\Entry {#1583
+user: Proxies\__CG__\App\Entity\User {#1714 …}
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+slug: "Does-multiplexing-a-usb-power-cable-from-2-cables-into"
+title: "Does multiplexing a usb power cable from 2 cables into 1 impact energy efficiency?"
+url: null
+body: """
I have two led strips used for 2x27" monitor bias lighting. Each have their own USB cables for power. These two USB cables are plugged into a 2-port wall charger for a phone. I would like to use a 2x female to 1x male adapter to join the two USB cables into one, then plug it into a much smaller 1-port USB wall charger. The reason is due to my space constraints.\n
\n
Will doing this impact its energy efficiency, ie using an adapter like this?\n
\n
[www.aliexpress.com/item/1005004340044483.html](https://www.aliexpress.com/item/1005004340044483.html)
"""
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+parent: Proxies\__CG__\App\Entity\EntryComment {#1655 …}
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+body: """
Watts in a resistive example like yours is Volts x Amps. I would have been able to much better answer this question a year ago so forgive me if I’m misremembering the specs but I’ll answer since nobody else has. Two things that suggest to me this might be a bad idea:\n
\n
- Charger is 40W, that’s probably usb PD (I don’t know anything about QC so maybe I’m wrong). PD supplies more than 15W (5V x 3A) by stepping up the voltage, not the amperage. While stepping up either would likely be bad or very bad for some part of your circuit, don’t worry about that though; without the powered device telling it to, PD won’t activate. It should max out at 15W… I think. It depends on the resistance on the CC lines and using a splitter could screw up the resistance that tells the power supply which USB version to support so it can go up to 3A (15W). Sorry, it’s been a while since I’ve worked with USB power. 2 strips of 11W will need more power than that. Basically my concern is you won’t get adequate power out of the charger for one reason or another.\n
- Where are you getting the 11.52W/min number? Watts don’t have a time unit and that much precision sketches me out. Almost as if someone who isn’t adequately educated measured the power straight off a multimeter once and just wrote that on a product page. Is the LED strip from a reputable manufacturer?
"""
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+__isInitialized__: true
…2
} |
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Show voter details
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moderate
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Proxies\__CG__\App\Entity\Entry {#1583
+user: Proxies\__CG__\App\Entity\User {#1714 …}
+magazine: Proxies\__CG__\App\Entity\Magazine {#1587 …}
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+slug: "Does-multiplexing-a-usb-power-cable-from-2-cables-into"
+title: "Does multiplexing a usb power cable from 2 cables into 1 impact energy efficiency?"
+url: null
+body: """
I have two led strips used for 2x27" monitor bias lighting. Each have their own USB cables for power. These two USB cables are plugged into a 2-port wall charger for a phone. I would like to use a 2x female to 1x male adapter to join the two USB cables into one, then plug it into a much smaller 1-port USB wall charger. The reason is due to my space constraints.\n
\n
Will doing this impact its energy efficiency, ie using an adapter like this?\n
\n
[www.aliexpress.com/item/1005004340044483.html](https://www.aliexpress.com/item/1005004340044483.html)
"""
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+body: """
Watts in a resistive example like yours is Volts x Amps. I would have been able to much better answer this question a year ago so forgive me if I’m misremembering the specs but I’ll answer since nobody else has. Two things that suggest to me this might be a bad idea:\n
\n
- Charger is 40W, that’s probably usb PD (I don’t know anything about QC so maybe I’m wrong). PD supplies more than 15W (5V x 3A) by stepping up the voltage, not the amperage. While stepping up either would likely be bad or very bad for some part of your circuit, don’t worry about that though; without the powered device telling it to, PD won’t activate. It should max out at 15W… I think. It depends on the resistance on the CC lines and using a splitter could screw up the resistance that tells the power supply which USB version to support so it can go up to 3A (15W). Sorry, it’s been a while since I’ve worked with USB power. 2 strips of 11W will need more power than that. Basically my concern is you won’t get adequate power out of the charger for one reason or another.\n
- Where are you getting the 11.52W/min number? Watts don’t have a time unit and that much precision sketches me out. Almost as if someone who isn’t adequately educated measured the power straight off a multimeter once and just wrote that on a product page. Is the LED strip from a reputable manufacturer?
"""
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date: 2023-10-19 19:43:53.0 +02:00
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…2
} |
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moderate
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App\Entity\EntryComment {#1612
+user: App\Entity\User {#261 …}
+entry: Proxies\__CG__\App\Entity\Entry {#1583
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I have two led strips used for 2x27" monitor bias lighting. Each have their own USB cables for power. These two USB cables are plugged into a 2-port wall charger for a phone. I would like to use a 2x female to 1x male adapter to join the two USB cables into one, then plug it into a much smaller 1-port USB wall charger. The reason is due to my space constraints.\n
\n
Will doing this impact its energy efficiency, ie using an adapter like this?\n
\n
[www.aliexpress.com/item/1005004340044483.html](https://www.aliexpress.com/item/1005004340044483.html)
"""
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date: 2023-10-19 19:43:53.0 +02:00
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Watts in a resistive example like yours is Volts x Amps. I would have been able to much better answer this question a year ago so forgive me if I’m misremembering the specs but I’ll answer since nobody else has. Two things that suggest to me this might be a bad idea:\n
\n
- Charger is 40W, that’s probably usb PD (I don’t know anything about QC so maybe I’m wrong). PD supplies more than 15W (5V x 3A) by stepping up the voltage, not the amperage. While stepping up either would likely be bad or very bad for some part of your circuit, don’t worry about that though; without the powered device telling it to, PD won’t activate. It should max out at 15W… I think. It depends on the resistance on the CC lines and using a splitter could screw up the resistance that tells the power supply which USB version to support so it can go up to 3A (15W). Sorry, it’s been a while since I’ve worked with USB power. 2 strips of 11W will need more power than that. Basically my concern is you won’t get adequate power out of the charger for one reason or another.\n
- Where are you getting the 11.52W/min number? Watts don’t have a time unit and that much precision sketches me out. Almost as if someone who isn’t adequately educated measured the power straight off a multimeter once and just wrote that on a product page. Is the LED strip from a reputable manufacturer?
"""
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date: 2023-10-19 22:04:02.0 +02:00
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Show voter details
|
7 |
DENIED
|
edit
|
App\Entity\EntryComment {#1612
+user: App\Entity\User {#261 …}
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+title: "Does multiplexing a usb power cable from 2 cables into 1 impact energy efficiency?"
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+body: """
I have two led strips used for 2x27" monitor bias lighting. Each have their own USB cables for power. These two USB cables are plugged into a 2-port wall charger for a phone. I would like to use a 2x female to 1x male adapter to join the two USB cables into one, then plug it into a much smaller 1-port USB wall charger. The reason is due to my space constraints.\n
\n
Will doing this impact its energy efficiency, ie using an adapter like this?\n
\n
[www.aliexpress.com/item/1005004340044483.html](https://www.aliexpress.com/item/1005004340044483.html)
"""
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…2
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Watts in a resistive example like yours is Volts x Amps. I would have been able to much better answer this question a year ago so forgive me if I’m misremembering the specs but I’ll answer since nobody else has. Two things that suggest to me this might be a bad idea:\n
\n
- Charger is 40W, that’s probably usb PD (I don’t know anything about QC so maybe I’m wrong). PD supplies more than 15W (5V x 3A) by stepping up the voltage, not the amperage. While stepping up either would likely be bad or very bad for some part of your circuit, don’t worry about that though; without the powered device telling it to, PD won’t activate. It should max out at 15W… I think. It depends on the resistance on the CC lines and using a splitter could screw up the resistance that tells the power supply which USB version to support so it can go up to 3A (15W). Sorry, it’s been a while since I’ve worked with USB power. 2 strips of 11W will need more power than that. Basically my concern is you won’t get adequate power out of the charger for one reason or another.\n
- Where are you getting the 11.52W/min number? Watts don’t have a time unit and that much precision sketches me out. Almost as if someone who isn’t adequately educated measured the power straight off a multimeter once and just wrote that on a product page. Is the LED strip from a reputable manufacturer?
"""
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}
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date: 2023-10-19 22:04:02.0 +02:00
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} |
|
Show voter details
|
8 |
DENIED
|
moderate
|
App\Entity\EntryComment {#1612
+user: App\Entity\User {#261 …}
+entry: Proxies\__CG__\App\Entity\Entry {#1583
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+magazine: Proxies\__CG__\App\Entity\Magazine {#1587 …}
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+domain: Proxies\__CG__\App\Entity\Domain {#1692 …}
+slug: "Does-multiplexing-a-usb-power-cable-from-2-cables-into"
+title: "Does multiplexing a usb power cable from 2 cables into 1 impact energy efficiency?"
+url: null
+body: """
I have two led strips used for 2x27" monitor bias lighting. Each have their own USB cables for power. These two USB cables are plugged into a 2-port wall charger for a phone. I would like to use a 2x female to 1x male adapter to join the two USB cables into one, then plug it into a much smaller 1-port USB wall charger. The reason is due to my space constraints.\n
\n
Will doing this impact its energy efficiency, ie using an adapter like this?\n
\n
[www.aliexpress.com/item/1005004340044483.html](https://www.aliexpress.com/item/1005004340044483.html)
"""
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Watts in a resistive example like yours is Volts x Amps. I would have been able to much better answer this question a year ago so forgive me if I’m misremembering the specs but I’ll answer since nobody else has. Two things that suggest to me this might be a bad idea:\n
\n
- Charger is 40W, that’s probably usb PD (I don’t know anything about QC so maybe I’m wrong). PD supplies more than 15W (5V x 3A) by stepping up the voltage, not the amperage. While stepping up either would likely be bad or very bad for some part of your circuit, don’t worry about that though; without the powered device telling it to, PD won’t activate. It should max out at 15W… I think. It depends on the resistance on the CC lines and using a splitter could screw up the resistance that tells the power supply which USB version to support so it can go up to 3A (15W). Sorry, it’s been a while since I’ve worked with USB power. 2 strips of 11W will need more power than that. Basically my concern is you won’t get adequate power out of the charger for one reason or another.\n
- Where are you getting the 11.52W/min number? Watts don’t have a time unit and that much precision sketches me out. Almost as if someone who isn’t adequately educated measured the power straight off a multimeter once and just wrote that on a product page. Is the LED strip from a reputable manufacturer?
"""
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date: 2023-10-19 22:04:02.0 +02:00
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+"title": 59812
} |
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