Security

Token

There is no security token.

Firewall

main Name
Security enabled
Stateless

Configuration

Key Value
provider security.user.provider.concrete.app_user_provider
context main
entry_point App\Security\KbinAuthenticator
user_checker App\Security\UserChecker
access_denied_handler (none)
access_denied_url (none)
authenticators
[
  "two_factor"
  "remember_me"
  "App\Security\KbinAuthenticator"
  "App\Security\FacebookAuthenticator"
  "App\Security\GoogleAuthenticator"
  "App\Security\GithubAuthenticator"
  "App\Security\KeycloakAuthenticator"
]

Listeners

Listener Duration Response
Symfony\Component\Security\Http\Firewall\ChannelListener {#723
  -map: Symfony\Component\Security\Http\AccessMap {#722 …}
  -logger: Monolog\Logger {#783 …}
  -httpPort: 80
  -httpsPort: 443
}
0.00 ms (none)
Symfony\Component\Security\Http\Firewall\ContextListener {#706
  -tokenStorage: Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorage {#1017 …}
  -sessionKey: "_security_main"
  -logger: Monolog\Logger {#783 …}
  -userProviders: Symfony\Component\DependencyInjection\Argument\RewindableGenerator {#705 …}
  -dispatcher: Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher {#747 …}
  -registered: false
  -trustResolver: Scheb\TwoFactorBundle\Security\Authentication\AuthenticationTrustResolver {#780 …}
  -sessionTrackerEnabler: Symfony\Component\Security\Core\Authentication\Token\Storage\UsageTrackingTokenStorage::enableUsageTracking(): void {#703 …}
}
0.21 ms (none)
Symfony\Component\Security\Http\Firewall\AuthenticatorManagerListener {#584
  -authenticatorManager: Symfony\Component\Security\Http\Authentication\AuthenticatorManager {#595 …}
}
0.00 ms (none)
Scheb\TwoFactorBundle\Security\Http\Firewall\TwoFactorAccessListener {#582
  -twoFactorFirewallConfig: Scheb\TwoFactorBundle\Security\TwoFactor\TwoFactorFirewallConfig {#842 …}
  -tokenStorage: Symfony\Component\Security\Core\Authentication\Token\Storage\UsageTrackingTokenStorage {#1018 …}
  -twoFactorAccessDecider: Scheb\TwoFactorBundle\Security\Authorization\TwoFactorAccessDecider {#581 …}
}
0.03 ms (none)
Symfony\Component\Security\Http\Firewall\AccessListener {#579
  -tokenStorage: Symfony\Component\Security\Core\Authentication\Token\Storage\UsageTrackingTokenStorage {#1018 …}
  -accessDecisionManager: Symfony\Component\Security\Core\Authorization\TraceableAccessDecisionManager {#937 …}
  -map: Symfony\Component\Security\Http\AccessMap {#722 …}
}
0.00 ms (none)
Symfony\Component\Security\Http\Firewall\LogoutListener {#786
  -tokenStorage: Symfony\Component\Security\Core\Authentication\Token\Storage\UsageTrackingTokenStorage {#1018 …}
  -options: [
    "csrf_parameter" => "_csrf_token"
    "csrf_token_id" => "logout"
    "logout_path" => "app_logout"
  ]
  -httpUtils: Symfony\Component\Security\Http\HttpUtils {#841 …}
  -csrfTokenManager: Symfony\Component\Security\Csrf\CsrfTokenManager {#1015 …}
  -eventDispatcher: Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher {#747 …}
}
0.00 ms (none)

Authenticators

No authenticators have been recorded. Check previous profiles on your authentication endpoint.

Access Decision

affirmative Strategy
# Voter class
1
"Symfony\Component\Security\Core\Authorization\Voter\AuthenticatedVoter"
2
"Scheb\TwoFactorBundle\Security\Authorization\Voter\TwoFactorInProgressVoter"
3
"Symfony\Component\Security\Core\Authorization\Voter\RoleHierarchyVoter"
4
"Symfony\Component\Security\Core\Authorization\Voter\ExpressionVoter"
5
"App\Security\Voter\EntryCommentVoter"
6
"App\Security\Voter\EntryVoter"
7
"App\Security\Voter\MagazineVoter"
8
"App\Security\Voter\MessageThreadVoter"
9
"App\Security\Voter\MessageVoter"
10
"App\Security\Voter\NotificationVoter"
11
"App\Security\Voter\OAuth2UserConsentVoter"
12
"App\Security\Voter\PostCommentVoter"
13
"App\Security\Voter\PostVoter"
14
"App\Security\Voter\UserVoter"

Access decision log

# Result Attributes Object
1 DENIED ROLE_USER
null
"Scheb\TwoFactorBundle\Security\Authorization\Voter\TwoFactorInProgressVoter"
ACCESS ABSTAIN
"Symfony\Component\Security\Core\Authorization\Voter\RoleHierarchyVoter"
ACCESS DENIED
"App\Security\Voter\EntryCommentVoter"
ACCESS ABSTAIN
"App\Security\Voter\EntryVoter"
ACCESS ABSTAIN
"App\Security\Voter\MagazineVoter"
ACCESS ABSTAIN
"App\Security\Voter\MessageThreadVoter"
ACCESS ABSTAIN
"App\Security\Voter\MessageVoter"
ACCESS ABSTAIN
"App\Security\Voter\NotificationVoter"
ACCESS ABSTAIN
"App\Security\Voter\OAuth2UserConsentVoter"
ACCESS ABSTAIN
"App\Security\Voter\PostCommentVoter"
ACCESS ABSTAIN
"App\Security\Voter\PostVoter"
ACCESS ABSTAIN
"App\Security\Voter\UserVoter"
ACCESS ABSTAIN
Show voter details
2 DENIED moderate
App\Entity\EntryComment {#1365
  +user: Proxies\__CG__\App\Entity\User {#1378 …}
  +entry: App\Entity\Entry {#1810 …}
  +magazine: App\Entity\Magazine {#313
    +icon: Proxies\__CG__\App\Entity\Image {#294 …}
    +name: "askelectronics@discuss.tchncs.de"
    +title: "askelectronics"
    +description: """
      **For questions about component-level electronic circuits, tools and equipment.**\n
      \n
      Rules\n
      -----\n
      \n
      1: Be nice.\n
      \n
      2: Be on-topic (eg: *Electronic*, not *electrical*).\n
      \n
      3: No commercial stuff, buying, selling or valuations.\n
      \n
      4: Be safe.\n
      \n
      ---
      """
    +rules: null
    +subscriptionsCount: 1
    +entryCount: 154
    +entryCommentCount: 1230
    +postCount: 1
    +postCommentCount: 4
    +isAdult: false
    +customCss: null
    +lastActive: DateTime @1729413608 {#323
      date: 2024-10-20 10:40:08.0 +02:00
    }
    +markedForDeletionAt: null
    +tags: null
    +moderators: Doctrine\ORM\PersistentCollection {#285 …}
    +ownershipRequests: Doctrine\ORM\PersistentCollection {#281 …}
    +moderatorRequests: Doctrine\ORM\PersistentCollection {#270 …}
    +entries: Doctrine\ORM\PersistentCollection {#228 …}
    +posts: Doctrine\ORM\PersistentCollection {#186 …}
    +subscriptions: Doctrine\ORM\PersistentCollection {#248 …}
    +bans: Doctrine\ORM\PersistentCollection {#165 …}
    +reports: Doctrine\ORM\PersistentCollection {#151 …}
    +badges: Doctrine\ORM\PersistentCollection {#129 …}
    +logs: Doctrine\ORM\PersistentCollection {#119 …}
    +awards: Doctrine\ORM\PersistentCollection {#108 …}
    +categories: Doctrine\ORM\PersistentCollection {#95 …}
    -id: 11
    +apId: "askelectronics@discuss.tchncs.de"
    +apProfileId: "https://discuss.tchncs.de/c/askelectronics"
    +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics"
    +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers"
    +apInboxUrl: "https://discuss.tchncs.de/inbox"
    +apDomain: "discuss.tchncs.de"
    +apPreferredUsername: "askelectronics"
    +apDiscoverable: true
    +apManuallyApprovesFollowers: null
    +privateKey: null
    +publicKey: null
    +apFetchedAt: DateTime @1727247714 {#317
      date: 2024-09-25 09:01:54.0 +02:00
    }
    +apDeletedAt: null
    +apTimeoutAt: null
    +visibility: "visible             "
    +createdAt: DateTimeImmutable @1687144409 {#316
      date: 2023-06-19 05:13:29.0 +02:00
    }
  }
  +image: null
  +parent: null
  +root: null
  +body: """
    Do you have a datasheet/part number for the LEDs, or at least a picture and diameter?\n
    \n
    Because battery voltage reduces over time, the LEDs will get dimmer as the battery drains fairly quickly. If possible, running it off a mains plugpack (e.g.12V like for a router or external hard drive) would be good.\n
    \n
    [An example UV LED](https://www.jaycar.co.nz/medias/sys_master/images/images/9964897337374/ZD0260-dataSheetMain.pdf) has a forward voltage of nominally 3.7V. Two in series on a 12 (8x1.5V) supply gives us 12V-(2x3.7V) =4.6V to drop across the resistor. We want ~15mA, so need a very roughly (V/I =R) 4.6V/0.015A=300 ohm resistor.\n
    \n
    When the battery is nearly discharged, at 1.1V/cell it will be 8.8V, giving 1.4V across the resistor and V/R=I 1.4V/300ohm= 4.7mA.\n
    \n
    So you would connect each pair of LEDs as:\n
    \n
    BAT+ RES +LED- +LED- -BAT all in series. [Like this](https://www.overclockers.com.au/wiki/images/a/a0/LEDSeries-parallel.GIF).\n
    \n
    You’ll need another 10 300 ohm resistors for 15 total, one per pair of LEDs.
    """
  +lang: "en"
  +isAdult: false
  +favouriteCount: 2
  +score: 0
  +lastActive: DateTime @1696478845 {#1605
    date: 2023-10-05 06:07:25.0 +02:00
  }
  +ip: null
  +tags: null
  +mentions: [
    "@MissJinx@lemmy.world"
  ]
  +children: Doctrine\ORM\PersistentCollection {#1370 …}
  +nested: Doctrine\ORM\PersistentCollection {#1375 …}
  +votes: Doctrine\ORM\PersistentCollection {#2424 …}
  +reports: Doctrine\ORM\PersistentCollection {#1898 …}
  +favourites: Doctrine\ORM\PersistentCollection {#1841 …}
  +notifications: Doctrine\ORM\PersistentCollection {#2354 …}
  -id: 30738
  -bodyTs: "'/medias/sys_master/images/images/9964897337374/zd0260-datasheetmain.pdf)':60 '/wiki/images/a/a0/ledseries-parallel.gif).':151 '1.1':110 '1.4':118,126 '10':156 '12':74 '12v':79 '15':161 '15ma':90 '2x3.7v':80 '3.7':67 '300':100,157 '4.6':81,98 '4.7':128 '8.8':115 '8x1.5v':75 'across':85,120 'anoth':155 'bat':139,143 'batteri':18,30,105 'connect':133 'datasheet/part':5 'diamet':16 'dimmer':27 'discharg':108 'drain':31 'drive':50 'drop':84 'e.g.12v':42 'exampl':55 'extern':48 'fair':32 'forward':63 'get':26 'give':77,117 'good':53 'hard':49 'least':12 'led':9,24,57,137,141,142,167 'like':43,147 'll':153 'ma':129 'main':40 'near':107 'need':92,154 'nomin':66 'number':6 'ohm':101,158 'one':163 'pair':135,165 'per':164 'pictur':14 'plugpack':41 'possibl':35 'quick':33 'r':97 'reduc':20 'res':140 'resistor':87,102,122,159 'rough':95 'router':46 'run':36 'seri':71,146 'suppli':76 'time':22 'total':162 'two':69 'us':78 'uv':56 'v':68,82,116,119 'v/0.015a':99 'v/300ohm':127 'v/cell':111 'v/i':96 'v/r':124 'voltag':19,64 'want':89 'would':51,132 'www.jaycar.co.nz':59 'www.jaycar.co.nz/medias/sys_master/images/images/9964897337374/zd0260-datasheetmain.pdf)':58 'www.overclockers.com.au':150 'www.overclockers.com.au/wiki/images/a/a0/ledseries-parallel.gif).':149"
  +ranking: 0
  +commentCount: 0
  +upVotes: 0
  +downVotes: 0
  +visibility: "visible             "
  +apId: "https://lemmy.nz/comment/2854919"
  +editedAt: DateTimeImmutable @1696370147 {#1377
    date: 2023-10-03 23:55:47.0 +02:00
  }
  +createdAt: DateTimeImmutable @1696370070 {#1927
    date: 2023-10-03 23:54:30.0 +02:00
  }
}
"Scheb\TwoFactorBundle\Security\Authorization\Voter\TwoFactorInProgressVoter"
ACCESS ABSTAIN
"App\Security\Voter\EntryCommentVoter"
ACCESS DENIED
"App\Security\Voter\EntryVoter"
ACCESS ABSTAIN
"App\Security\Voter\MagazineVoter"
ACCESS ABSTAIN
"App\Security\Voter\MessageThreadVoter"
ACCESS ABSTAIN
"App\Security\Voter\MessageVoter"
ACCESS ABSTAIN
"App\Security\Voter\NotificationVoter"
ACCESS ABSTAIN
"App\Security\Voter\OAuth2UserConsentVoter"
ACCESS ABSTAIN
"App\Security\Voter\PostCommentVoter"
ACCESS ABSTAIN
"App\Security\Voter\PostVoter"
ACCESS ABSTAIN
"App\Security\Voter\UserVoter"
ACCESS ABSTAIN
Show voter details
3 DENIED edit
App\Entity\EntryComment {#1365
  +user: Proxies\__CG__\App\Entity\User {#1378 …}
  +entry: App\Entity\Entry {#1810 …}
  +magazine: App\Entity\Magazine {#313
    +icon: Proxies\__CG__\App\Entity\Image {#294 …}
    +name: "askelectronics@discuss.tchncs.de"
    +title: "askelectronics"
    +description: """
      **For questions about component-level electronic circuits, tools and equipment.**\n
      \n
      Rules\n
      -----\n
      \n
      1: Be nice.\n
      \n
      2: Be on-topic (eg: *Electronic*, not *electrical*).\n
      \n
      3: No commercial stuff, buying, selling or valuations.\n
      \n
      4: Be safe.\n
      \n
      ---
      """
    +rules: null
    +subscriptionsCount: 1
    +entryCount: 154
    +entryCommentCount: 1230
    +postCount: 1
    +postCommentCount: 4
    +isAdult: false
    +customCss: null
    +lastActive: DateTime @1729413608 {#323
      date: 2024-10-20 10:40:08.0 +02:00
    }
    +markedForDeletionAt: null
    +tags: null
    +moderators: Doctrine\ORM\PersistentCollection {#285 …}
    +ownershipRequests: Doctrine\ORM\PersistentCollection {#281 …}
    +moderatorRequests: Doctrine\ORM\PersistentCollection {#270 …}
    +entries: Doctrine\ORM\PersistentCollection {#228 …}
    +posts: Doctrine\ORM\PersistentCollection {#186 …}
    +subscriptions: Doctrine\ORM\PersistentCollection {#248 …}
    +bans: Doctrine\ORM\PersistentCollection {#165 …}
    +reports: Doctrine\ORM\PersistentCollection {#151 …}
    +badges: Doctrine\ORM\PersistentCollection {#129 …}
    +logs: Doctrine\ORM\PersistentCollection {#119 …}
    +awards: Doctrine\ORM\PersistentCollection {#108 …}
    +categories: Doctrine\ORM\PersistentCollection {#95 …}
    -id: 11
    +apId: "askelectronics@discuss.tchncs.de"
    +apProfileId: "https://discuss.tchncs.de/c/askelectronics"
    +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics"
    +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers"
    +apInboxUrl: "https://discuss.tchncs.de/inbox"
    +apDomain: "discuss.tchncs.de"
    +apPreferredUsername: "askelectronics"
    +apDiscoverable: true
    +apManuallyApprovesFollowers: null
    +privateKey: null
    +publicKey: null
    +apFetchedAt: DateTime @1727247714 {#317
      date: 2024-09-25 09:01:54.0 +02:00
    }
    +apDeletedAt: null
    +apTimeoutAt: null
    +visibility: "visible             "
    +createdAt: DateTimeImmutable @1687144409 {#316
      date: 2023-06-19 05:13:29.0 +02:00
    }
  }
  +image: null
  +parent: null
  +root: null
  +body: """
    Do you have a datasheet/part number for the LEDs, or at least a picture and diameter?\n
    \n
    Because battery voltage reduces over time, the LEDs will get dimmer as the battery drains fairly quickly. If possible, running it off a mains plugpack (e.g.12V like for a router or external hard drive) would be good.\n
    \n
    [An example UV LED](https://www.jaycar.co.nz/medias/sys_master/images/images/9964897337374/ZD0260-dataSheetMain.pdf) has a forward voltage of nominally 3.7V. Two in series on a 12 (8x1.5V) supply gives us 12V-(2x3.7V) =4.6V to drop across the resistor. We want ~15mA, so need a very roughly (V/I =R) 4.6V/0.015A=300 ohm resistor.\n
    \n
    When the battery is nearly discharged, at 1.1V/cell it will be 8.8V, giving 1.4V across the resistor and V/R=I 1.4V/300ohm= 4.7mA.\n
    \n
    So you would connect each pair of LEDs as:\n
    \n
    BAT+ RES +LED- +LED- -BAT all in series. [Like this](https://www.overclockers.com.au/wiki/images/a/a0/LEDSeries-parallel.GIF).\n
    \n
    You’ll need another 10 300 ohm resistors for 15 total, one per pair of LEDs.
    """
  +lang: "en"
  +isAdult: false
  +favouriteCount: 2
  +score: 0
  +lastActive: DateTime @1696478845 {#1605
    date: 2023-10-05 06:07:25.0 +02:00
  }
  +ip: null
  +tags: null
  +mentions: [
    "@MissJinx@lemmy.world"
  ]
  +children: Doctrine\ORM\PersistentCollection {#1370 …}
  +nested: Doctrine\ORM\PersistentCollection {#1375 …}
  +votes: Doctrine\ORM\PersistentCollection {#2424 …}
  +reports: Doctrine\ORM\PersistentCollection {#1898 …}
  +favourites: Doctrine\ORM\PersistentCollection {#1841 …}
  +notifications: Doctrine\ORM\PersistentCollection {#2354 …}
  -id: 30738
  -bodyTs: "'/medias/sys_master/images/images/9964897337374/zd0260-datasheetmain.pdf)':60 '/wiki/images/a/a0/ledseries-parallel.gif).':151 '1.1':110 '1.4':118,126 '10':156 '12':74 '12v':79 '15':161 '15ma':90 '2x3.7v':80 '3.7':67 '300':100,157 '4.6':81,98 '4.7':128 '8.8':115 '8x1.5v':75 'across':85,120 'anoth':155 'bat':139,143 'batteri':18,30,105 'connect':133 'datasheet/part':5 'diamet':16 'dimmer':27 'discharg':108 'drain':31 'drive':50 'drop':84 'e.g.12v':42 'exampl':55 'extern':48 'fair':32 'forward':63 'get':26 'give':77,117 'good':53 'hard':49 'least':12 'led':9,24,57,137,141,142,167 'like':43,147 'll':153 'ma':129 'main':40 'near':107 'need':92,154 'nomin':66 'number':6 'ohm':101,158 'one':163 'pair':135,165 'per':164 'pictur':14 'plugpack':41 'possibl':35 'quick':33 'r':97 'reduc':20 'res':140 'resistor':87,102,122,159 'rough':95 'router':46 'run':36 'seri':71,146 'suppli':76 'time':22 'total':162 'two':69 'us':78 'uv':56 'v':68,82,116,119 'v/0.015a':99 'v/300ohm':127 'v/cell':111 'v/i':96 'v/r':124 'voltag':19,64 'want':89 'would':51,132 'www.jaycar.co.nz':59 'www.jaycar.co.nz/medias/sys_master/images/images/9964897337374/zd0260-datasheetmain.pdf)':58 'www.overclockers.com.au':150 'www.overclockers.com.au/wiki/images/a/a0/ledseries-parallel.gif).':149"
  +ranking: 0
  +commentCount: 0
  +upVotes: 0
  +downVotes: 0
  +visibility: "visible             "
  +apId: "https://lemmy.nz/comment/2854919"
  +editedAt: DateTimeImmutable @1696370147 {#1377
    date: 2023-10-03 23:55:47.0 +02:00
  }
  +createdAt: DateTimeImmutable @1696370070 {#1927
    date: 2023-10-03 23:54:30.0 +02:00
  }
}
"Scheb\TwoFactorBundle\Security\Authorization\Voter\TwoFactorInProgressVoter"
ACCESS ABSTAIN
"App\Security\Voter\EntryCommentVoter"
ACCESS DENIED
"App\Security\Voter\EntryVoter"
ACCESS ABSTAIN
"App\Security\Voter\MagazineVoter"
ACCESS ABSTAIN
"App\Security\Voter\MessageThreadVoter"
ACCESS ABSTAIN
"App\Security\Voter\MessageVoter"
ACCESS ABSTAIN
"App\Security\Voter\NotificationVoter"
ACCESS ABSTAIN
"App\Security\Voter\OAuth2UserConsentVoter"
ACCESS ABSTAIN
"App\Security\Voter\PostCommentVoter"
ACCESS ABSTAIN
"App\Security\Voter\PostVoter"
ACCESS ABSTAIN
"App\Security\Voter\UserVoter"
ACCESS ABSTAIN
Show voter details
4 DENIED moderate
App\Entity\EntryComment {#1365
  +user: Proxies\__CG__\App\Entity\User {#1378 …}
  +entry: App\Entity\Entry {#1810 …}
  +magazine: App\Entity\Magazine {#313
    +icon: Proxies\__CG__\App\Entity\Image {#294 …}
    +name: "askelectronics@discuss.tchncs.de"
    +title: "askelectronics"
    +description: """
      **For questions about component-level electronic circuits, tools and equipment.**\n
      \n
      Rules\n
      -----\n
      \n
      1: Be nice.\n
      \n
      2: Be on-topic (eg: *Electronic*, not *electrical*).\n
      \n
      3: No commercial stuff, buying, selling or valuations.\n
      \n
      4: Be safe.\n
      \n
      ---
      """
    +rules: null
    +subscriptionsCount: 1
    +entryCount: 154
    +entryCommentCount: 1230
    +postCount: 1
    +postCommentCount: 4
    +isAdult: false
    +customCss: null
    +lastActive: DateTime @1729413608 {#323
      date: 2024-10-20 10:40:08.0 +02:00
    }
    +markedForDeletionAt: null
    +tags: null
    +moderators: Doctrine\ORM\PersistentCollection {#285 …}
    +ownershipRequests: Doctrine\ORM\PersistentCollection {#281 …}
    +moderatorRequests: Doctrine\ORM\PersistentCollection {#270 …}
    +entries: Doctrine\ORM\PersistentCollection {#228 …}
    +posts: Doctrine\ORM\PersistentCollection {#186 …}
    +subscriptions: Doctrine\ORM\PersistentCollection {#248 …}
    +bans: Doctrine\ORM\PersistentCollection {#165 …}
    +reports: Doctrine\ORM\PersistentCollection {#151 …}
    +badges: Doctrine\ORM\PersistentCollection {#129 …}
    +logs: Doctrine\ORM\PersistentCollection {#119 …}
    +awards: Doctrine\ORM\PersistentCollection {#108 …}
    +categories: Doctrine\ORM\PersistentCollection {#95 …}
    -id: 11
    +apId: "askelectronics@discuss.tchncs.de"
    +apProfileId: "https://discuss.tchncs.de/c/askelectronics"
    +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics"
    +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers"
    +apInboxUrl: "https://discuss.tchncs.de/inbox"
    +apDomain: "discuss.tchncs.de"
    +apPreferredUsername: "askelectronics"
    +apDiscoverable: true
    +apManuallyApprovesFollowers: null
    +privateKey: null
    +publicKey: null
    +apFetchedAt: DateTime @1727247714 {#317
      date: 2024-09-25 09:01:54.0 +02:00
    }
    +apDeletedAt: null
    +apTimeoutAt: null
    +visibility: "visible             "
    +createdAt: DateTimeImmutable @1687144409 {#316
      date: 2023-06-19 05:13:29.0 +02:00
    }
  }
  +image: null
  +parent: null
  +root: null
  +body: """
    Do you have a datasheet/part number for the LEDs, or at least a picture and diameter?\n
    \n
    Because battery voltage reduces over time, the LEDs will get dimmer as the battery drains fairly quickly. If possible, running it off a mains plugpack (e.g.12V like for a router or external hard drive) would be good.\n
    \n
    [An example UV LED](https://www.jaycar.co.nz/medias/sys_master/images/images/9964897337374/ZD0260-dataSheetMain.pdf) has a forward voltage of nominally 3.7V. Two in series on a 12 (8x1.5V) supply gives us 12V-(2x3.7V) =4.6V to drop across the resistor. We want ~15mA, so need a very roughly (V/I =R) 4.6V/0.015A=300 ohm resistor.\n
    \n
    When the battery is nearly discharged, at 1.1V/cell it will be 8.8V, giving 1.4V across the resistor and V/R=I 1.4V/300ohm= 4.7mA.\n
    \n
    So you would connect each pair of LEDs as:\n
    \n
    BAT+ RES +LED- +LED- -BAT all in series. [Like this](https://www.overclockers.com.au/wiki/images/a/a0/LEDSeries-parallel.GIF).\n
    \n
    You’ll need another 10 300 ohm resistors for 15 total, one per pair of LEDs.
    """
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5 DENIED edit
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