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moderate
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Proxies\__CG__\App\Entity\Entry {#1576
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I want to power [this board](https://www.waveshare.com/wiki/RP2040-Touch-LCD-1.28) with a 14v battery. The board has a 1s battery connector that can power the board and read the voltage via ADC. Is there something I could place between the two to lower the voltage and still have a battery voltage reading? I would not be charging the battery through this. The usb port would not be open in the final product.\n
\n
My understanding is that voltage splitting with resistors is not recommended for powering. And a buck converter will only give constant voltage reading.
"""
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Show voter details
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3 |
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edit
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Proxies\__CG__\App\Entity\Entry {#1576
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I want to power [this board](https://www.waveshare.com/wiki/RP2040-Touch-LCD-1.28) with a 14v battery. The board has a 1s battery connector that can power the board and read the voltage via ADC. Is there something I could place between the two to lower the voltage and still have a battery voltage reading? I would not be charging the battery through this. The usb port would not be open in the final product.\n
\n
My understanding is that voltage splitting with resistors is not recommended for powering. And a buck converter will only give constant voltage reading.
"""
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Show voter details
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4 |
DENIED
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moderate
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Proxies\__CG__\App\Entity\Entry {#1576
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I want to power [this board](https://www.waveshare.com/wiki/RP2040-Touch-LCD-1.28) with a 14v battery. The board has a 1s battery connector that can power the board and read the voltage via ADC. Is there something I could place between the two to lower the voltage and still have a battery voltage reading? I would not be charging the battery through this. The usb port would not be open in the final product.\n
\n
My understanding is that voltage splitting with resistors is not recommended for powering. And a buck converter will only give constant voltage reading.
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Show voter details
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5 |
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Show voter details
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I want to power [this board](https://www.waveshare.com/wiki/RP2040-Touch-LCD-1.28) with a 14v battery. The board has a 1s battery connector that can power the board and read the voltage via ADC. Is there something I could place between the two to lower the voltage and still have a battery voltage reading? I would not be charging the battery through this. The usb port would not be open in the final product.\n
\n
My understanding is that voltage splitting with resistors is not recommended for powering. And a buck converter will only give constant voltage reading.
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7 |
DENIED
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edit
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App\Entity\EntryComment {#1641
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I want to power [this board](https://www.waveshare.com/wiki/RP2040-Touch-LCD-1.28) with a 14v battery. The board has a 1s battery connector that can power the board and read the voltage via ADC. Is there something I could place between the two to lower the voltage and still have a battery voltage reading? I would not be charging the battery through this. The usb port would not be open in the final product.\n
\n
My understanding is that voltage splitting with resistors is not recommended for powering. And a buck converter will only give constant voltage reading.
"""
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Show voter details
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8 |
DENIED
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moderate
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App\Entity\EntryComment {#1641
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+slug: "Power-device-with-higher-voltage-battery-and-still-get-battery"
+title: "Power device with higher voltage battery and still get battery reading"
+url: null
+body: """
I want to power [this board](https://www.waveshare.com/wiki/RP2040-Touch-LCD-1.28) with a 14v battery. The board has a 1s battery connector that can power the board and read the voltage via ADC. Is there something I could place between the two to lower the voltage and still have a battery voltage reading? I would not be charging the battery through this. The usb port would not be open in the final product.\n
\n
My understanding is that voltage splitting with resistors is not recommended for powering. And a buck converter will only give constant voltage reading.
"""
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+lastActive: DateTime @1693873932 {#1702
date: 2023-09-05 02:32:12.0 +02:00
}
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+comments: Doctrine\ORM\PersistentCollection {#1735 …}
+votes: Doctrine\ORM\PersistentCollection {#1732 …}
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+badges: Doctrine\ORM\PersistentCollection {#2360 …}
+children: [
App\Entity\EntryComment {#1641}
]
-id: 2101
-titleTs: "'batteri':6,10 'devic':2 'get':9 'higher':4 'power':1 'read':11 'still':8 'voltag':5"
-bodyTs: "'/wiki/rp2040-touch-lcd-1.28)':9 '14v':12 '1s':18 'adc':31 'batteri':13,19,49,58 'board':6,15,25 'buck':87 'charg':56 'connector':20 'constant':92 'convert':88 'could':36 'final':70 'give':91 'lower':42 'open':67 'place':37 'port':63 'power':4,23,84 'product':71 'read':27,51,94 'recommend':82 'resistor':79 'someth':34 'split':77 'still':46 'two':40 'understand':73 'usb':62 'via':30 'voltag':29,44,50,76,93 'want':2 'would':53,64 'www.waveshare.com':8 'www.waveshare.com/wiki/rp2040-touch-lcd-1.28)':7"
+cross: false
+upVotes: 0
+downVotes: 0
+ranking: 1693900498
+visibility: "visible "
+apId: "https://lemmy.world/post/4454537"
+editedAt: DateTimeImmutable @1693860678 {#1640
date: 2023-09-04 22:51:18.0 +02:00
}
+createdAt: DateTimeImmutable @1693860498 {#1686
date: 2023-09-04 22:48:18.0 +02:00
}
+__isInitialized__: true
…2
}
+magazine: Proxies\__CG__\App\Entity\Magazine {#1567 …}
+image: null
+parent: Proxies\__CG__\App\Entity\EntryComment {#1589 …}
+root: Proxies\__CG__\App\Entity\EntryComment {#1589 …}
+body: "Thanks for the pointer. Looks like a buffered voltage divider is the way to go. Now down the rabbit hole I go! 🐰🕳️"
+lang: "en"
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date: 2023-09-05 02:32:12.0 +02:00
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"@LazaroFilm@lemmy.world"
"@elDalvini@discuss.tchncs.de"
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-id: 28056
-bodyTs: "'buffer':8 'divid':10 'go':15,22 'hole':20 'like':6 'look':5 'pointer':4 'rabbit':19 'thank':1 'voltag':9 'way':13"
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+apId: "https://lemmy.world/comment/3123917"
+editedAt: null
+createdAt: DateTimeImmutable @1693873932 {#1606
date: 2023-09-05 02:32:12.0 +02:00
}
+"title": 28056
} |
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