Redirect 302 redirect from GET @entry_comment_create (b08963)

GET https://kbin.spritesserver.nl/index.php/m/selfhosted@lemmy.world/t/27350/Protecting-HDDs-from-external-train-vibrations/comment/285042/votes/up

Response
200 OK
IP
216.73.216.122
Profiled on
Token
92647f

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 …}
}
 8.33 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 …}
}
 0.06 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 {#1378
  +user: Proxies\__CG__\App\Entity\User {#1867 …}
  +entry: App\Entity\Entry {#1849 …}
  +magazine: App\Entity\Magazine {#312
    +icon: Proxies\__CG__\App\Entity\Image {#293 …}
    +name: "selfhosted@lemmy.world"
    +title: "selfhosted"
    +description: """
      A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don’t control.\n
      \n
      Rules:\n
      \n
      - Be civil: we’re here to support and learn from one another. Insults won’t be tolerated. Flame wars are frowned upon.\n
      - No spam posting.\n
      - Don’t duplicate the full text of your blog or github here. Just post the link for folks to click.\n
      - Submission headline should match the article title (don’t cherry-pick information from the title to fit your agenda).\n
      - No trolling.\n
      \n
      Resources:\n
      \n
      - [awesome-selfhosted software](https://github.com/awesome-selfhosted/awesome-selfhosted)\n
      - [awesome-sysadmin](https://github.com/awesome-foss/awesome-sysadmin) resources\n
      - [Self-Hosted Podcast from Jupiter Broadcasting](https://selfhosted.show)\n
      \n
      > Any issues on the community? Report it using the report flag.\n
      \n
      > Questions? DM the mods!
      """
    +rules: null
    +subscriptionsCount: 1
    +entryCount: 222
    +entryCommentCount: 3916
    +postCount: 0
    +postCommentCount: 0
    +isAdult: false
    +customCss: null
    +lastActive: DateTime @1729582735 {#320
      date: 2024-10-22 09:38:55.0 +02:00
    }
    +markedForDeletionAt: null
    +tags: null
    +moderators: Doctrine\ORM\PersistentCollection {#284 …}
    +ownershipRequests: Doctrine\ORM\PersistentCollection {#280 …}
    +moderatorRequests: Doctrine\ORM\PersistentCollection {#269 …}
    +entries: Doctrine\ORM\PersistentCollection {#227 …}
    +posts: Doctrine\ORM\PersistentCollection {#185 …}
    +subscriptions: Doctrine\ORM\PersistentCollection {#247 …}
    +bans: Doctrine\ORM\PersistentCollection {#164 …}
    +reports: Doctrine\ORM\PersistentCollection {#150 …}
    +badges: Doctrine\ORM\PersistentCollection {#128 …}
    +logs: Doctrine\ORM\PersistentCollection {#118 …}
    +awards: Doctrine\ORM\PersistentCollection {#107 …}
    +categories: Doctrine\ORM\PersistentCollection {#94 …}
    -id: 120
    +apId: "selfhosted@lemmy.world"
    +apProfileId: "https://lemmy.world/c/selfhosted"
    +apPublicUrl: "https://lemmy.world/c/selfhosted"
    +apFollowersUrl: "https://lemmy.world/c/selfhosted/followers"
    +apInboxUrl: "https://lemmy.world/inbox"
    +apDomain: "lemmy.world"
    +apPreferredUsername: "selfhosted"
    +apDiscoverable: true
    +apManuallyApprovesFollowers: null
    +privateKey: null
    +publicKey: null
    +apFetchedAt: DateTime @1703473826 {#321
      date: 2023-12-25 04:10:26.0 +01:00
    }
    +apDeletedAt: null
    +apTimeoutAt: null
    +visibility: "visible             "
    +createdAt: DateTimeImmutable @1703473826 {#315
      date: 2023-12-25 04:10:26.0 +01:00
    }
  }
  +image: null
  +parent: Proxies\__CG__\App\Entity\EntryComment {#2451 …}
  +root: Proxies\__CG__\App\Entity\EntryComment {#2356 …}
  +body: """
    I’m wondering, now that you’ve seen the app, do you have some practical advice on how to measure the difference without having to spend a few hours researching and refreshing on high school physics? It seems that my only option is to run the “Acceleration without g” experiment and work on the csv export.\n
    \n
    A probably naive approach would be to filter out values below a certain threshold (a ‘low pass filter’ of sorts to deal with a noisy sensor) and then try to meaningfully sum the acceleration by time period. But just as I wrote this I realized that I can’t simply sum a few values from several rows and call it a day.\n
    \n
    The article you linked explained the idea behind the pseudo velocity well, I’m wondering if I can… “sum the area” (assuming interpolated data) under the various measurement points. Without completely nerding out and investing too much time :D My sensor seems to have a rate of 200Hz, so it should be good for measuring vibrations up to 100Hz.\n
    \n
    Edit, it’s integrals, right? This is actually exciting, haven’t touched math since university. Also here’s an example of how the acceleration graph looks like when the phone is on the heating / radiator (more or less worst case): ![Screenshot from phyphox with acceleration sensor data](https://lemmy.dbzer0.com/pictrs/image/49c5f972-af93-4893-9931-525676bf1b02.jpeg)
    """
  +lang: "en"
  +isAdult: false
  +favouriteCount: 1
  +score: 0
  +lastActive: DateTime @1704534793 {#1769
    date: 2024-01-06 10:53:13.0 +01:00
  }
  +ip: null
  +tags: null
  +mentions: [
    "@khorak@lemmy.dbzer0.com"
    "@scrion@lemmy.world"
    "@randy@lemmy.ca"
    "@khorak@lemmy.dbzer0.com"
    "@scrion@lemmy.world"
    "@randy@lemmy.ca"
    "@khorak@lemmy.dbzer0.com"
    "@scrion@lemmy.world"
    "@randy@lemmy.ca"
  ]
  +children: Doctrine\ORM\PersistentCollection {#2466 …}
  +nested: Doctrine\ORM\PersistentCollection {#2288 …}
  +votes: Doctrine\ORM\PersistentCollection {#2446 …}
  +reports: Doctrine\ORM\PersistentCollection {#2439 …}
  +favourites: Doctrine\ORM\PersistentCollection {#2489 …}
  +notifications: Doctrine\ORM\PersistentCollection {#60 …}
  -id: 285042
  -bodyTs: "'/pictrs/image/49c5f972-af93-4893-9931-525676bf1b02.jpeg)':227 '100hz':177 '200hz':166 'acceler':47,90,201,222 'actual':185 'advic':16 'also':193 'app':10 'approach':60 'area':139 'articl':120 'assum':140 'behind':126 'call':115 'case':217 'certain':69 'complet':149 'csv':55 'd':157 'data':142,224 'day':118 'deal':78 'differ':22 'edit':178 'exampl':197 'excit':186 'experi':50 'explain':123 'export':56 'filter':64,74 'g':49 'good':171 'graph':202 'haven':187 'heat':211 'high':34 'hour':29 'idea':125 'integr':181 'interpol':141 'invest':153 'lemmy.dbzer0.com':226 'lemmy.dbzer0.com/pictrs/image/49c5f972-af93-4893-9931-525676bf1b02.jpeg)':225 'less':215 'like':204 'link':122 'look':203 'low':72 'm':2,132 'math':190 'meaning':87 'measur':20,146,173 'much':155 'naiv':59 'nerd':150 'noisi':81 'option':42 'pass':73 'period':93 'phone':207 'phyphox':220 'physic':36 'point':147 'practic':15 'probabl':58 'pseudo':128 'radiat':212 'rate':164 'realiz':101 'refresh':32 'research':30 'right':182 'row':113 'run':45 'school':35 'screenshot':218 'seem':38,160 'seen':8 'sensor':82,159,223 'sever':112 'simpli':106 'sinc':191 'sort':76 'spend':26 'sum':88,107,137 'threshold':70 'time':92,156 'touch':189 'tri':85 'univers':192 'valu':66,110 'various':145 've':7 'veloc':129 'vibrat':174 'well':130 'without':23,48,148 'wonder':3,133 'work':52 'worst':216 'would':61 'wrote':98"
  +ranking: 0
  +commentCount: 0
  +upVotes: 0
  +downVotes: 0
  +visibility: "visible             "
  +apId: "https://lemmy.dbzer0.com/comment/6469588"
  +editedAt: DateTimeImmutable @1712337985 {#1969
    date: 2024-04-05 19:26:25.0 +02:00
  }
  +createdAt: DateTimeImmutable @1704534793 {#1399
    date: 2024-01-06 10:53:13.0 +01:00
  }
}
 
"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 {#1378
  +user: Proxies\__CG__\App\Entity\User {#1867 …}
  +entry: App\Entity\Entry {#1849 …}
  +magazine: App\Entity\Magazine {#312
    +icon: Proxies\__CG__\App\Entity\Image {#293 …}
    +name: "selfhosted@lemmy.world"
    +title: "selfhosted"
    +description: """
      A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don’t control.\n
      \n
      Rules:\n
      \n
      - Be civil: we’re here to support and learn from one another. Insults won’t be tolerated. Flame wars are frowned upon.\n
      - No spam posting.\n
      - Don’t duplicate the full text of your blog or github here. Just post the link for folks to click.\n
      - Submission headline should match the article title (don’t cherry-pick information from the title to fit your agenda).\n
      - No trolling.\n
      \n
      Resources:\n
      \n
      - [awesome-selfhosted software](https://github.com/awesome-selfhosted/awesome-selfhosted)\n
      - [awesome-sysadmin](https://github.com/awesome-foss/awesome-sysadmin) resources\n
      - [Self-Hosted Podcast from Jupiter Broadcasting](https://selfhosted.show)\n
      \n
      > Any issues on the community? Report it using the report flag.\n
      \n
      > Questions? DM the mods!
      """
    +rules: null
    +subscriptionsCount: 1
    +entryCount: 222
    +entryCommentCount: 3916
    +postCount: 0
    +postCommentCount: 0
    +isAdult: false
    +customCss: null
    +lastActive: DateTime @1729582735 {#320
      date: 2024-10-22 09:38:55.0 +02:00
    }
    +markedForDeletionAt: null
    +tags: null
    +moderators: Doctrine\ORM\PersistentCollection {#284 …}
    +ownershipRequests: Doctrine\ORM\PersistentCollection {#280 …}
    +moderatorRequests: Doctrine\ORM\PersistentCollection {#269 …}
    +entries: Doctrine\ORM\PersistentCollection {#227 …}
    +posts: Doctrine\ORM\PersistentCollection {#185 …}
    +subscriptions: Doctrine\ORM\PersistentCollection {#247 …}
    +bans: Doctrine\ORM\PersistentCollection {#164 …}
    +reports: Doctrine\ORM\PersistentCollection {#150 …}
    +badges: Doctrine\ORM\PersistentCollection {#128 …}
    +logs: Doctrine\ORM\PersistentCollection {#118 …}
    +awards: Doctrine\ORM\PersistentCollection {#107 …}
    +categories: Doctrine\ORM\PersistentCollection {#94 …}
    -id: 120
    +apId: "selfhosted@lemmy.world"
    +apProfileId: "https://lemmy.world/c/selfhosted"
    +apPublicUrl: "https://lemmy.world/c/selfhosted"
    +apFollowersUrl: "https://lemmy.world/c/selfhosted/followers"
    +apInboxUrl: "https://lemmy.world/inbox"
    +apDomain: "lemmy.world"
    +apPreferredUsername: "selfhosted"
    +apDiscoverable: true
    +apManuallyApprovesFollowers: null
    +privateKey: null
    +publicKey: null
    +apFetchedAt: DateTime @1703473826 {#321
      date: 2023-12-25 04:10:26.0 +01:00
    }
    +apDeletedAt: null
    +apTimeoutAt: null
    +visibility: "visible             "
    +createdAt: DateTimeImmutable @1703473826 {#315
      date: 2023-12-25 04:10:26.0 +01:00
    }
  }
  +image: null
  +parent: Proxies\__CG__\App\Entity\EntryComment {#2451 …}
  +root: Proxies\__CG__\App\Entity\EntryComment {#2356 …}
  +body: """
    I’m wondering, now that you’ve seen the app, do you have some practical advice on how to measure the difference without having to spend a few hours researching and refreshing on high school physics? It seems that my only option is to run the “Acceleration without g” experiment and work on the csv export.\n
    \n
    A probably naive approach would be to filter out values below a certain threshold (a ‘low pass filter’ of sorts to deal with a noisy sensor) and then try to meaningfully sum the acceleration by time period. But just as I wrote this I realized that I can’t simply sum a few values from several rows and call it a day.\n
    \n
    The article you linked explained the idea behind the pseudo velocity well, I’m wondering if I can… “sum the area” (assuming interpolated data) under the various measurement points. Without completely nerding out and investing too much time :D My sensor seems to have a rate of 200Hz, so it should be good for measuring vibrations up to 100Hz.\n
    \n
    Edit, it’s integrals, right? This is actually exciting, haven’t touched math since university. Also here’s an example of how the acceleration graph looks like when the phone is on the heating / radiator (more or less worst case): ![Screenshot from phyphox with acceleration sensor data](https://lemmy.dbzer0.com/pictrs/image/49c5f972-af93-4893-9931-525676bf1b02.jpeg)
    """
  +lang: "en"
  +isAdult: false
  +favouriteCount: 1
  +score: 0
  +lastActive: DateTime @1704534793 {#1769
    date: 2024-01-06 10:53:13.0 +01:00
  }
  +ip: null
  +tags: null
  +mentions: [
    "@khorak@lemmy.dbzer0.com"
    "@scrion@lemmy.world"
    "@randy@lemmy.ca"
    "@khorak@lemmy.dbzer0.com"
    "@scrion@lemmy.world"
    "@randy@lemmy.ca"
    "@khorak@lemmy.dbzer0.com"
    "@scrion@lemmy.world"
    "@randy@lemmy.ca"
  ]
  +children: Doctrine\ORM\PersistentCollection {#2466 …}
  +nested: Doctrine\ORM\PersistentCollection {#2288 …}
  +votes: Doctrine\ORM\PersistentCollection {#2446 …}
  +reports: Doctrine\ORM\PersistentCollection {#2439 …}
  +favourites: Doctrine\ORM\PersistentCollection {#2489 …}
  +notifications: Doctrine\ORM\PersistentCollection {#60 …}
  -id: 285042
  -bodyTs: "'/pictrs/image/49c5f972-af93-4893-9931-525676bf1b02.jpeg)':227 '100hz':177 '200hz':166 'acceler':47,90,201,222 'actual':185 'advic':16 'also':193 'app':10 'approach':60 'area':139 'articl':120 'assum':140 'behind':126 'call':115 'case':217 'certain':69 'complet':149 'csv':55 'd':157 'data':142,224 'day':118 'deal':78 'differ':22 'edit':178 'exampl':197 'excit':186 'experi':50 'explain':123 'export':56 'filter':64,74 'g':49 'good':171 'graph':202 'haven':187 'heat':211 'high':34 'hour':29 'idea':125 'integr':181 'interpol':141 'invest':153 'lemmy.dbzer0.com':226 'lemmy.dbzer0.com/pictrs/image/49c5f972-af93-4893-9931-525676bf1b02.jpeg)':225 'less':215 'like':204 'link':122 'look':203 'low':72 'm':2,132 'math':190 'meaning':87 'measur':20,146,173 'much':155 'naiv':59 'nerd':150 'noisi':81 'option':42 'pass':73 'period':93 'phone':207 'phyphox':220 'physic':36 'point':147 'practic':15 'probabl':58 'pseudo':128 'radiat':212 'rate':164 'realiz':101 'refresh':32 'research':30 'right':182 'row':113 'run':45 'school':35 'screenshot':218 'seem':38,160 'seen':8 'sensor':82,159,223 'sever':112 'simpli':106 'sinc':191 'sort':76 'spend':26 'sum':88,107,137 'threshold':70 'time':92,156 'touch':189 'tri':85 'univers':192 'valu':66,110 'various':145 've':7 'veloc':129 'vibrat':174 'well':130 'without':23,48,148 'wonder':3,133 'work':52 'worst':216 'would':61 'wrote':98"
  +ranking: 0
  +commentCount: 0
  +upVotes: 0
  +downVotes: 0
  +visibility: "visible             "
  +apId: "https://lemmy.dbzer0.com/comment/6469588"
  +editedAt: DateTimeImmutable @1712337985 {#1969
    date: 2024-04-05 19:26:25.0 +02:00
  }
  +createdAt: DateTimeImmutable @1704534793 {#1399
    date: 2024-01-06 10:53:13.0 +01:00
  }
}
 
"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 {#1378
  +user: Proxies\__CG__\App\Entity\User {#1867 …}
  +entry: App\Entity\Entry {#1849 …}
  +magazine: App\Entity\Magazine {#312
    +icon: Proxies\__CG__\App\Entity\Image {#293 …}
    +name: "selfhosted@lemmy.world"
    +title: "selfhosted"
    +description: """
      A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don’t control.\n
      \n
      Rules:\n
      \n
      - Be civil: we’re here to support and learn from one another. Insults won’t be tolerated. Flame wars are frowned upon.\n
      - No spam posting.\n
      - Don’t duplicate the full text of your blog or github here. Just post the link for folks to click.\n
      - Submission headline should match the article title (don’t cherry-pick information from the title to fit your agenda).\n
      - No trolling.\n
      \n
      Resources:\n
      \n
      - [awesome-selfhosted software](https://github.com/awesome-selfhosted/awesome-selfhosted)\n
      - [awesome-sysadmin](https://github.com/awesome-foss/awesome-sysadmin) resources\n
      - [Self-Hosted Podcast from Jupiter Broadcasting](https://selfhosted.show)\n
      \n
      > Any issues on the community? Report it using the report flag.\n
      \n
      > Questions? DM the mods!
      """
    +rules: null
    +subscriptionsCount: 1
    +entryCount: 222
    +entryCommentCount: 3916
    +postCount: 0
    +postCommentCount: 0
    +isAdult: false
    +customCss: null
    +lastActive: DateTime @1729582735 {#320
      date: 2024-10-22 09:38:55.0 +02:00
    }
    +markedForDeletionAt: null
    +tags: null
    +moderators: Doctrine\ORM\PersistentCollection {#284 …}
    +ownershipRequests: Doctrine\ORM\PersistentCollection {#280 …}
    +moderatorRequests: Doctrine\ORM\PersistentCollection {#269 …}
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    I’m wondering, now that you’ve seen the app, do you have some practical advice on how to measure the difference without having to spend a few hours researching and refreshing on high school physics? It seems that my only option is to run the “Acceleration without g” experiment and work on the csv export.\n
    \n
    A probably naive approach would be to filter out values below a certain threshold (a ‘low pass filter’ of sorts to deal with a noisy sensor) and then try to meaningfully sum the acceleration by time period. But just as I wrote this I realized that I can’t simply sum a few values from several rows and call it a day.\n
    \n
    The article you linked explained the idea behind the pseudo velocity well, I’m wondering if I can… “sum the area” (assuming interpolated data) under the various measurement points. Without completely nerding out and investing too much time :D My sensor seems to have a rate of 200Hz, so it should be good for measuring vibrations up to 100Hz.\n
    \n
    Edit, it’s integrals, right? This is actually exciting, haven’t touched math since university. Also here’s an example of how the acceleration graph looks like when the phone is on the heating / radiator (more or less worst case): ![Screenshot from phyphox with acceleration sensor data](https://lemmy.dbzer0.com/pictrs/image/49c5f972-af93-4893-9931-525676bf1b02.jpeg)
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    - [awesome-sysadmin](https://github.com/awesome-foss/awesome-sysadmin) resources\n
    - [Self-Hosted Podcast from Jupiter Broadcasting](https://selfhosted.show)\n
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