GET https://kbin.spritesserver.nl/m/askelectronics@discuss.tchncs.de/t/3339/How-should-I-get-started/comment/36645/votes/up

Response
200 OK
IP
3.128.79.117
Profiled on
Token
d5707e

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 …}
}
 0.22 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 …}
}
 0.04 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 {#1394
  +user: Proxies\__CG__\App\Entity\User {#1369 …}
  +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: Proxies\__CG__\App\Entity\EntryComment {#2476 …}
  +root: Proxies\__CG__\App\Entity\EntryComment {#2466 …}
  +body: """
    I’ll start off with your questions are a outside of what I know well. In general to do stuff with electronics, you don’t need to know the physics behind it, but the equations that pop out. Mainly V=IR, Almost everything goes back to that. Behind the scenes are lots and lots and lots of differential equations. [Alpha Pheonix](https://www.youtube.com/c/AlphaPhoenixChannel/videos) has a few good visualizations for resistance. He has a [water based demo](https://www.youtube.com/watch?v=X_crwFuPht4) to visualize voltage and resistance, and a [maze demo](https://www.youtube.com/watch?v=C3gnNpYK3lo) showing how electricity “finds” the path of least resistance. [ElectroBoom](https://www.youtube.com/@ElectroBOOM/videos) probably won’t teach you too much, but can show some interesting things you can do. [EEVblog](https://www.youtube.com/@EEVblog/playlists) has some good lectures. For specific applications Digikey and Texas Instruments have some basics, and there are many lectures online available.\n
    \n
    I think the questions you asked are a little more on the physics side than the electrical side, and the specifics I think of as a dark art that comes with experience. In general most capacitors you see are blocking DC on an AC circuit, coupling capacitors that are smoothing the power circuit, or capacitors to control/tune something specific. Those control values would be given in a datasheet. Resistors are often going to be current limiting, voltage dividing, or “pulling” a high impedance signal. To design something you often just need the rule of thumb, and not necessarily a deep understanding of “why”.
    """
  +lang: "en"
  +isAdult: false
  +favouriteCount: 3
  +score: 0
  +lastActive: DateTime @1696721370 {#1605
    date: 2023-10-08 01:29:30.0 +02:00
  }
  +ip: null
  +tags: null
  +mentions: [
    "@AzzyDev@beehaw.org"
    "@l_b_i@yiffit.net"
  ]
  +children: Doctrine\ORM\PersistentCollection {#2288 …}
  +nested: Doctrine\ORM\PersistentCollection {#2166 …}
  +votes: Doctrine\ORM\PersistentCollection {#2427 …}
  +reports: Doctrine\ORM\PersistentCollection {#2426 …}
  +favourites: Doctrine\ORM\PersistentCollection {#2488 …}
  +notifications: Doctrine\ORM\PersistentCollection {#1841 …}
  -id: 36645
  -bodyTs: "'/@eevblog/playlists)':125 '/@electroboom/videos)':105 '/c/alphaphoenixchannel/videos)':64 '/watch?v=c3gnnpyk3lo)':92 '/watch?v=x_crwfupht4)':80 'ac':190 'almost':42 'alpha':60 'applic':132 'art':174 'ask':152 'avail':146 'back':45 'base':76 'basic':139 'behind':31,48 'block':186 'capacitor':182,193,201 'circuit':191,199 'come':176 'control':207 'control/tune':203 'coupl':192 'current':221 'dark':173 'datasheet':214 'dc':187 'deep':246 'demo':77,89 'design':232 'differenti':58 'digikey':133 'divid':224 'eevblog':122 'electr':95,163 'electroboom':102 'electron':22 'equat':35,59 'everyth':43 'experi':178 'find':96 'general':17,180 'given':211 'go':218 'goe':44 'good':68,128 'high':228 'imped':229 'instrument':136 'interest':117 'ir':41 'know':14,28 'least':100 'lectur':129,144 'limit':222 'littl':155 'll':2 'lot':52,54,56 'main':39 'mani':143 'maze':88 'much':112 'necessarili':244 'need':26,237 'often':217,235 'onlin':145 'outsid':10 'path':98 'pheonix':61 'physic':30,159 'pop':37 'power':198 'probabl':106 'pull':226 'question':7,150 'resist':71,85,101 'resistor':215 'rule':239 'scene':50 'see':184 'show':93,115 'side':160,164 'signal':230 'smooth':196 'someth':204,233 'specif':131,167,205 'start':3 'stuff':20 'teach':109 'texa':135 'thing':118 'think':148,169 'thumb':241 'understand':247 'v':40 'valu':208 'visual':69,82 'voltag':83,223 'water':75 'well':15 'won':107 'would':209 'www.youtube.com':63,79,91,104,124 'www.youtube.com/@eevblog/playlists)':123 'www.youtube.com/@electroboom/videos)':103 'www.youtube.com/c/alphaphoenixchannel/videos)':62 'www.youtube.com/watch?v=c3gnnpyk3lo)':90 'www.youtube.com/watch?v=x_crwfupht4)':78"
  +ranking: 0
  +commentCount: 0
  +upVotes: 0
  +downVotes: 0
  +visibility: "visible             "
  +apId: "https://yiffit.net/comment/2661923"
  +editedAt: null
  +createdAt: DateTimeImmutable @1696721370 {#1377
    date: 2023-10-08 01:29:30.0 +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 {#1394
  +user: Proxies\__CG__\App\Entity\User {#1369 …}
  +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: Proxies\__CG__\App\Entity\EntryComment {#2476 …}
  +root: Proxies\__CG__\App\Entity\EntryComment {#2466 …}
  +body: """
    I’ll start off with your questions are a outside of what I know well. In general to do stuff with electronics, you don’t need to know the physics behind it, but the equations that pop out. Mainly V=IR, Almost everything goes back to that. Behind the scenes are lots and lots and lots of differential equations. [Alpha Pheonix](https://www.youtube.com/c/AlphaPhoenixChannel/videos) has a few good visualizations for resistance. He has a [water based demo](https://www.youtube.com/watch?v=X_crwFuPht4) to visualize voltage and resistance, and a [maze demo](https://www.youtube.com/watch?v=C3gnNpYK3lo) showing how electricity “finds” the path of least resistance. [ElectroBoom](https://www.youtube.com/@ElectroBOOM/videos) probably won’t teach you too much, but can show some interesting things you can do. [EEVblog](https://www.youtube.com/@EEVblog/playlists) has some good lectures. For specific applications Digikey and Texas Instruments have some basics, and there are many lectures online available.\n
    \n
    I think the questions you asked are a little more on the physics side than the electrical side, and the specifics I think of as a dark art that comes with experience. In general most capacitors you see are blocking DC on an AC circuit, coupling capacitors that are smoothing the power circuit, or capacitors to control/tune something specific. Those control values would be given in a datasheet. Resistors are often going to be current limiting, voltage dividing, or “pulling” a high impedance signal. To design something you often just need the rule of thumb, and not necessarily a deep understanding of “why”.
    """
  +lang: "en"
  +isAdult: false
  +favouriteCount: 3
  +score: 0
  +lastActive: DateTime @1696721370 {#1605
    date: 2023-10-08 01:29:30.0 +02:00
  }
  +ip: null
  +tags: null
  +mentions: [
    "@AzzyDev@beehaw.org"
    "@l_b_i@yiffit.net"
  ]
  +children: Doctrine\ORM\PersistentCollection {#2288 …}
  +nested: Doctrine\ORM\PersistentCollection {#2166 …}
  +votes: Doctrine\ORM\PersistentCollection {#2427 …}
  +reports: Doctrine\ORM\PersistentCollection {#2426 …}
  +favourites: Doctrine\ORM\PersistentCollection {#2488 …}
  +notifications: Doctrine\ORM\PersistentCollection {#1841 …}
  -id: 36645
  -bodyTs: "'/@eevblog/playlists)':125 '/@electroboom/videos)':105 '/c/alphaphoenixchannel/videos)':64 '/watch?v=c3gnnpyk3lo)':92 '/watch?v=x_crwfupht4)':80 'ac':190 'almost':42 'alpha':60 'applic':132 'art':174 'ask':152 'avail':146 'back':45 'base':76 'basic':139 'behind':31,48 'block':186 'capacitor':182,193,201 'circuit':191,199 'come':176 'control':207 'control/tune':203 'coupl':192 'current':221 'dark':173 'datasheet':214 'dc':187 'deep':246 'demo':77,89 'design':232 'differenti':58 'digikey':133 'divid':224 'eevblog':122 'electr':95,163 'electroboom':102 'electron':22 'equat':35,59 'everyth':43 'experi':178 'find':96 'general':17,180 'given':211 'go':218 'goe':44 'good':68,128 'high':228 'imped':229 'instrument':136 'interest':117 'ir':41 'know':14,28 'least':100 'lectur':129,144 'limit':222 'littl':155 'll':2 'lot':52,54,56 'main':39 'mani':143 'maze':88 'much':112 'necessarili':244 'need':26,237 'often':217,235 'onlin':145 'outsid':10 'path':98 'pheonix':61 'physic':30,159 'pop':37 'power':198 'probabl':106 'pull':226 'question':7,150 'resist':71,85,101 'resistor':215 'rule':239 'scene':50 'see':184 'show':93,115 'side':160,164 'signal':230 'smooth':196 'someth':204,233 'specif':131,167,205 'start':3 'stuff':20 'teach':109 'texa':135 'thing':118 'think':148,169 'thumb':241 'understand':247 'v':40 'valu':208 'visual':69,82 'voltag':83,223 'water':75 'well':15 'won':107 'would':209 'www.youtube.com':63,79,91,104,124 'www.youtube.com/@eevblog/playlists)':123 'www.youtube.com/@electroboom/videos)':103 'www.youtube.com/c/alphaphoenixchannel/videos)':62 'www.youtube.com/watch?v=c3gnnpyk3lo)':90 'www.youtube.com/watch?v=x_crwfupht4)':78"
  +ranking: 0
  +commentCount: 0
  +upVotes: 0
  +downVotes: 0
  +visibility: "visible             "
  +apId: "https://yiffit.net/comment/2661923"
  +editedAt: null
  +createdAt: DateTimeImmutable @1696721370 {#1377
    date: 2023-10-08 01:29:30.0 +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 {#1394
  +user: Proxies\__CG__\App\Entity\User {#1369 …}
  +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
    }
  }
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    I’ll start off with your questions are a outside of what I know well. In general to do stuff with electronics, you don’t need to know the physics behind it, but the equations that pop out. Mainly V=IR, Almost everything goes back to that. Behind the scenes are lots and lots and lots of differential equations. [Alpha Pheonix](https://www.youtube.com/c/AlphaPhoenixChannel/videos) has a few good visualizations for resistance. He has a [water based demo](https://www.youtube.com/watch?v=X_crwFuPht4) to visualize voltage and resistance, and a [maze demo](https://www.youtube.com/watch?v=C3gnNpYK3lo) showing how electricity “finds” the path of least resistance. [ElectroBoom](https://www.youtube.com/@ElectroBOOM/videos) probably won’t teach you too much, but can show some interesting things you can do. [EEVblog](https://www.youtube.com/@EEVblog/playlists) has some good lectures. For specific applications Digikey and Texas Instruments have some basics, and there are many lectures online available.\n
    \n
    I think the questions you asked are a little more on the physics side than the electrical side, and the specifics I think of as a dark art that comes with experience. In general most capacitors you see are blocking DC on an AC circuit, coupling capacitors that are smoothing the power circuit, or capacitors to control/tune something specific. Those control values would be given in a datasheet. Resistors are often going to be current limiting, voltage dividing, or “pulling” a high impedance signal. To design something you often just need the rule of thumb, and not necessarily a deep understanding of “why”.
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