GET https://kbin.spritesserver.nl/index.php/m/askelectronics@discuss.tchncs.de/t/741/555-based-PWM-Dimmer-not-working-only-with-LED-strips/active

Response
200 OK
IP
18.232.12.157
Profiled on
Token
f7632c

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"
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  -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\Entry {#2388
  +user: Proxies\__CG__\App\Entity\User {#1943 …}
  +magazine: App\Entity\Magazine {#266
    +icon: Proxies\__CG__\App\Entity\Image {#247 …}
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      **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
      ---
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    +entryCommentCount: 1230
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    +customCss: null
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      date: 2024-10-20 10:40:08.0 +02:00
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    +moderators: Doctrine\ORM\PersistentCollection {#238 …}
    +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …}
    +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …}
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      date: 2024-09-25 09:01:54.0 +02:00
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    +createdAt: DateTimeImmutable @1687144409 {#272
      date: 2023-06-19 05:13:29.0 +02:00
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  }
  +image: Proxies\__CG__\App\Entity\Image {#1962 …}
  +domain: Proxies\__CG__\App\Entity\Domain {#1924 …}
  +slug: "555-based-PWM-Dimmer-not-working-only-with-LED-strips"
  +title: "555 based PWM Dimmer not working only with LED strips"
  +url: "https://discuss.tchncs.de/pictrs/image/0f232f11-9887-42e5-ba59-6aed360e08a0.jpeg"
  +body: """
    I bought a PWM Dimmer based on a 555 from AliExpress to regulate the brightness of a 12V 1A 1 meter LED strip, I already built one myself years ago on a perfboard but this one was the exact dimensions I needed for a project. I built mine from components from AliExpress and components found in old electronics so I thought nothing functionally would change The dimmer is this one [diymore.cc/…/pwm-10a-speed-regulation-led-dimming…](https://www.diymore.cc/products/pwm-10a-speed-regulation-led-dimming-ultra-high-linearity-band-switch) but I attached a real photo of the one I got from AliExpress My problem is that it isn’t doing any regulation while connected to LED strips, I tried with the 1m one and with another light that has three 30cm LED strips in parallel Every other light or motor I connected to it seemed to make it work. I really have no idea what could be causing this, maybe it’s sensible to capacitance? LED strips are two long straight parallel contacts but I don’t think it’s enough to cause anything as displayed here in the video: [live.staticflickr.com/video/…/1080p.mp4?s=eyJpIjo…](https://live.staticflickr.com/video/53017878188/54f865d36d/1080p.mp4?s=eyJpIjo1MzAxNzg3ODE4OCwiZSI6MTY4ODMxNzgwMCwicyI6ImI2MjZiMzk3MjExNTQxZWIyOTYwYzAyNTRmZDNhZDZjZTcwOWUxOGYiLCJ2IjoxfQ)\n
    \n
    Please no prejudice on that oscilloscope, it’s good for what its made for, it’s “calibrated”, it shows a clean square waveform on my simple diy dimmer ([photo](https://imgur.com/Cd1ezm8) to let you see what I mean with simple) versus what is shown in the video with the AliExpress one, an hybrid ramp/square. In the first part I show one of those LED strip that doesn’t work, in the second part I show one that does work, just like every other light or motor I’ve tried
    """
  +type: "image"
  +lang: "en"
  +isOc: false
  +hasEmbed: true
  +commentCount: 2
  +favouriteCount: 2
  +score: 0
  +isAdult: false
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    date: 2023-07-04 01:08:58.0 +02:00
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  +ip: null
  +adaAmount: 0
  +tags: null
  +mentions: null
  +comments: Doctrine\ORM\PersistentCollection {#1886 …}
  +votes: Doctrine\ORM\PersistentCollection {#1973 …}
  +reports: Doctrine\ORM\PersistentCollection {#1948 …}
  +favourites: Doctrine\ORM\PersistentCollection {#1927 …}
  +notifications: Doctrine\ORM\PersistentCollection {#2442 …}
  +badges: Doctrine\ORM\PersistentCollection {#2440 …}
  +children: []
  -id: 741
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  +cross: false
  +upVotes: 0
  +downVotes: 0
  +ranking: 1688418300
  +visibility: "visible             "
  +apId: "https://discuss.tchncs.de/post/458355"
  +editedAt: null
  +createdAt: DateTimeImmutable @1688400800 {#1850
    date: 2023-07-03 18:13:20.0 +02:00
  }
}
 
"Scheb\TwoFactorBundle\Security\Authorization\Voter\TwoFactorInProgressVoter"
 ACCESS ABSTAIN 
"App\Security\Voter\EntryCommentVoter"
 ACCESS ABSTAIN 
"App\Security\Voter\EntryVoter"
 ACCESS DENIED 
"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\Entry {#2388
  +user: Proxies\__CG__\App\Entity\User {#1943 …}
  +magazine: App\Entity\Magazine {#266
    +icon: Proxies\__CG__\App\Entity\Image {#247 …}
    +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 {#276
      date: 2024-10-20 10:40:08.0 +02:00
    }
    +markedForDeletionAt: null
    +tags: null
    +moderators: Doctrine\ORM\PersistentCollection {#238 …}
    +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …}
    +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …}
    +entries: Doctrine\ORM\PersistentCollection {#181 …}
    +posts: Doctrine\ORM\PersistentCollection {#139 …}
    +subscriptions: Doctrine\ORM\PersistentCollection {#201 …}
    +bans: Doctrine\ORM\PersistentCollection {#118 …}
    +reports: Doctrine\ORM\PersistentCollection {#104 …}
    +badges: Doctrine\ORM\PersistentCollection {#82 …}
    +logs: Doctrine\ORM\PersistentCollection {#72 …}
    +awards: Doctrine\ORM\PersistentCollection {#61 …}
    +categories: Doctrine\ORM\PersistentCollection {#1820 …}
    -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"
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    +apDiscoverable: true
    +apManuallyApprovesFollowers: null
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    +apFetchedAt: DateTime @1727247714 {#270
      date: 2024-09-25 09:01:54.0 +02:00
    }
    +apDeletedAt: null
    +apTimeoutAt: null
    +visibility: "visible             "
    +createdAt: DateTimeImmutable @1687144409 {#272
      date: 2023-06-19 05:13:29.0 +02:00
    }
  }
  +image: Proxies\__CG__\App\Entity\Image {#1962 …}
  +domain: Proxies\__CG__\App\Entity\Domain {#1924 …}
  +slug: "555-based-PWM-Dimmer-not-working-only-with-LED-strips"
  +title: "555 based PWM Dimmer not working only with LED strips"
  +url: "https://discuss.tchncs.de/pictrs/image/0f232f11-9887-42e5-ba59-6aed360e08a0.jpeg"
  +body: """
    I bought a PWM Dimmer based on a 555 from AliExpress to regulate the brightness of a 12V 1A 1 meter LED strip, I already built one myself years ago on a perfboard but this one was the exact dimensions I needed for a project. I built mine from components from AliExpress and components found in old electronics so I thought nothing functionally would change The dimmer is this one [diymore.cc/…/pwm-10a-speed-regulation-led-dimming…](https://www.diymore.cc/products/pwm-10a-speed-regulation-led-dimming-ultra-high-linearity-band-switch) but I attached a real photo of the one I got from AliExpress My problem is that it isn’t doing any regulation while connected to LED strips, I tried with the 1m one and with another light that has three 30cm LED strips in parallel Every other light or motor I connected to it seemed to make it work. I really have no idea what could be causing this, maybe it’s sensible to capacitance? LED strips are two long straight parallel contacts but I don’t think it’s enough to cause anything as displayed here in the video: [live.staticflickr.com/video/…/1080p.mp4?s=eyJpIjo…](https://live.staticflickr.com/video/53017878188/54f865d36d/1080p.mp4?s=eyJpIjo1MzAxNzg3ODE4OCwiZSI6MTY4ODMxNzgwMCwicyI6ImI2MjZiMzk3MjExNTQxZWIyOTYwYzAyNTRmZDNhZDZjZTcwOWUxOGYiLCJ2IjoxfQ)\n
    \n
    Please no prejudice on that oscilloscope, it’s good for what its made for, it’s “calibrated”, it shows a clean square waveform on my simple diy dimmer ([photo](https://imgur.com/Cd1ezm8) to let you see what I mean with simple) versus what is shown in the video with the AliExpress one, an hybrid ramp/square. In the first part I show one of those LED strip that doesn’t work, in the second part I show one that does work, just like every other light or motor I’ve tried
    """
  +type: "image"
  +lang: "en"
  +isOc: false
  +hasEmbed: true
  +commentCount: 2
  +favouriteCount: 2
  +score: 0
  +isAdult: false
  +sticky: false
  +lastActive: DateTime @1688425738 {#2410
    date: 2023-07-04 01:08:58.0 +02:00
  }
  +ip: null
  +adaAmount: 0
  +tags: null
  +mentions: null
  +comments: Doctrine\ORM\PersistentCollection {#1886 …}
  +votes: Doctrine\ORM\PersistentCollection {#1973 …}
  +reports: Doctrine\ORM\PersistentCollection {#1948 …}
  +favourites: Doctrine\ORM\PersistentCollection {#1927 …}
  +notifications: Doctrine\ORM\PersistentCollection {#2442 …}
  +badges: Doctrine\ORM\PersistentCollection {#2440 …}
  +children: []
  -id: 741
  -titleTs: "'555':1 'base':2 'dimmer':4 'led':9 'pwm':3 'strip':10 'work':6"
  -bodyTs: "'/1080p.mp4':180 '/cd1ezm8)':217 '/products/pwm-10a-speed-regulation-led-dimming-ultra-high-linearity-band-switch)':75 '/pwm-10a-speed-regulation-led-dimming':72 '/video/':179 '/video/53017878188/54f865d36d/1080p.mp4?s=eyjpijo1mzaxnzg3ode4ocwizsi6mty4odmxnzgwmcwicyi6imi2mjzimzk3mjexntqxzwiyotywyzayntrmzdnhzdzjztcwowuxogyilcj2ijoxfq)':185 '1':20 '12v':18 '1a':19 '1m':108 '30cm':117 '555':9 'ago':30 'aliexpress':11,52,88,236 'alreadi':25 'anoth':112 'anyth':170 'attach':78 'base':6 'bought':2 'bright':15 'built':26,47 'calibr':202 'capacit':151 'caus':144,169 'chang':65 'clean':206 'compon':50,54 'connect':100,128 'contact':159 'could':142 'dimens':40 'dimmer':5,67,213 'display':172 'diy':212 'diymore.cc':71 'doesn':253 'electron':58 'enough':167 'everi':122,268 'exact':39 'eyjpijo':182 'first':243 'found':55 'function':63 'good':194 'got':86 'hybrid':239 'idea':140 'imgur.com':216 'imgur.com/cd1ezm8)':215 'isn':94 'led':22,102,118,152,250 'let':219 'light':113,124,270 'like':267 'live.staticflickr.com':178,184 'live.staticflickr.com/video/':177 'live.staticflickr.com/video/53017878188/54f865d36d/1080p.mp4?s=eyjpijo1mzaxnzg3ode4ocwizsi6mty4odmxnzgwmcwicyi6imi2mjzimzk3mjexntqxzwiyotywyzayntrmzdnhzdzjztcwowuxogyilcj2ijoxfq)':183 'long':156 'made':198 'make':133 'mayb':146 'mean':224 'meter':21 'mine':48 'motor':126,272 'need':42 'noth':62 'old':57 'one':27,36,70,84,109,237,247,262 'oscilloscop':191 'parallel':121,158 'part':244,259 'perfboard':33 'photo':81,214 'pleas':186 'prejudic':188 'problem':90 'project':45 'pwm':4 'ramp/square':240 'real':80 'realli':137 'regul':13,98 'second':258 'see':221 'seem':131 'sensibl':149 'show':204,246,261 'shown':230 'simpl':211,226 'squar':207 'straight':157 'strip':23,103,119,153,251 'think':164 'thought':61 'three':116 'tri':105,275 'two':155 've':274 'versus':227 'video':176,233 'waveform':208 'work':135,255,265 'would':64 'www.diymore.cc':74 'www.diymore.cc/products/pwm-10a-speed-regulation-led-dimming-ultra-high-linearity-band-switch)':73 'year':29"
  +cross: false
  +upVotes: 0
  +downVotes: 0
  +ranking: 1688418300
  +visibility: "visible             "
  +apId: "https://discuss.tchncs.de/post/458355"
  +editedAt: null
  +createdAt: DateTimeImmutable @1688400800 {#1850
    date: 2023-07-03 18:13:20.0 +02:00
  }
}
 
"Scheb\TwoFactorBundle\Security\Authorization\Voter\TwoFactorInProgressVoter"
 ACCESS ABSTAIN 
"App\Security\Voter\EntryCommentVoter"
 ACCESS ABSTAIN 
"App\Security\Voter\EntryVoter"
 ACCESS DENIED 
"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
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    I bought a PWM Dimmer based on a 555 from AliExpress to regulate the brightness of a 12V 1A 1 meter LED strip, I already built one myself years ago on a perfboard but this one was the exact dimensions I needed for a project. I built mine from components from AliExpress and components found in old electronics so I thought nothing functionally would change The dimmer is this one [diymore.cc/…/pwm-10a-speed-regulation-led-dimming…](https://www.diymore.cc/products/pwm-10a-speed-regulation-led-dimming-ultra-high-linearity-band-switch) but I attached a real photo of the one I got from AliExpress My problem is that it isn’t doing any regulation while connected to LED strips, I tried with the 1m one and with another light that has three 30cm LED strips in parallel Every other light or motor I connected to it seemed to make it work. I really have no idea what could be causing this, maybe it’s sensible to capacitance? LED strips are two long straight parallel contacts but I don’t think it’s enough to cause anything as displayed here in the video: [live.staticflickr.com/video/…/1080p.mp4?s=eyJpIjo…](https://live.staticflickr.com/video/53017878188/54f865d36d/1080p.mp4?s=eyJpIjo1MzAxNzg3ODE4OCwiZSI6MTY4ODMxNzgwMCwicyI6ImI2MjZiMzk3MjExNTQxZWIyOTYwYzAyNTRmZDNhZDZjZTcwOWUxOGYiLCJ2IjoxfQ)\n
    \n
    Please no prejudice on that oscilloscope, it’s good for what its made for, it’s “calibrated”, it shows a clean square waveform on my simple diy dimmer ([photo](https://imgur.com/Cd1ezm8) to let you see what I mean with simple) versus what is shown in the video with the AliExpress one, an hybrid ramp/square. In the first part I show one of those LED strip that doesn’t work, in the second part I show one that does work, just like every other light or motor I’ve tried
    """
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    +body: """
      I bought a PWM Dimmer based on a 555 from AliExpress to regulate the brightness of a 12V 1A 1 meter LED strip, I already built one myself years ago on a perfboard but this one was the exact dimensions I needed for a project. I built mine from components from AliExpress and components found in old electronics so I thought nothing functionally would change The dimmer is this one [diymore.cc/…/pwm-10a-speed-regulation-led-dimming…](https://www.diymore.cc/products/pwm-10a-speed-regulation-led-dimming-ultra-high-linearity-band-switch) but I attached a real photo of the one I got from AliExpress My problem is that it isn’t doing any regulation while connected to LED strips, I tried with the 1m one and with another light that has three 30cm LED strips in parallel Every other light or motor I connected to it seemed to make it work. I really have no idea what could be causing this, maybe it’s sensible to capacitance? LED strips are two long straight parallel contacts but I don’t think it’s enough to cause anything as displayed here in the video: [live.staticflickr.com/video/…/1080p.mp4?s=eyJpIjo…](https://live.staticflickr.com/video/53017878188/54f865d36d/1080p.mp4?s=eyJpIjo1MzAxNzg3ODE4OCwiZSI6MTY4ODMxNzgwMCwicyI6ImI2MjZiMzk3MjExNTQxZWIyOTYwYzAyNTRmZDNhZDZjZTcwOWUxOGYiLCJ2IjoxfQ)\n
      \n
      Please no prejudice on that oscilloscope, it’s good for what its made for, it’s “calibrated”, it shows a clean square waveform on my simple diy dimmer ([photo](https://imgur.com/Cd1ezm8) to let you see what I mean with simple) versus what is shown in the video with the AliExpress one, an hybrid ramp/square. In the first part I show one of those LED strip that doesn’t work, in the second part I show one that does work, just like every other light or motor I’ve tried
      """
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  +body: "There is a couple of things I would suggest looking into. First just make sure the LED strip still works, then try a adding a current limiting resistor to the strip, even if it already has one it could help. A unity gain buffer could help as well. I also noticed that there is no active regulator on it, and all the work is put on a zener so I would also say either jank in an active regulator or even easier, supply it with a regulated rail"
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      I bought a PWM Dimmer based on a 555 from AliExpress to regulate the brightness of a 12V 1A 1 meter LED strip, I already built one myself years ago on a perfboard but this one was the exact dimensions I needed for a project. I built mine from components from AliExpress and components found in old electronics so I thought nothing functionally would change The dimmer is this one [diymore.cc/…/pwm-10a-speed-regulation-led-dimming…](https://www.diymore.cc/products/pwm-10a-speed-regulation-led-dimming-ultra-high-linearity-band-switch) but I attached a real photo of the one I got from AliExpress My problem is that it isn’t doing any regulation while connected to LED strips, I tried with the 1m one and with another light that has three 30cm LED strips in parallel Every other light or motor I connected to it seemed to make it work. I really have no idea what could be causing this, maybe it’s sensible to capacitance? LED strips are two long straight parallel contacts but I don’t think it’s enough to cause anything as displayed here in the video: [live.staticflickr.com/video/…/1080p.mp4?s=eyJpIjo…](https://live.staticflickr.com/video/53017878188/54f865d36d/1080p.mp4?s=eyJpIjo1MzAxNzg3ODE4OCwiZSI6MTY4ODMxNzgwMCwicyI6ImI2MjZiMzk3MjExNTQxZWIyOTYwYzAyNTRmZDNhZDZjZTcwOWUxOGYiLCJ2IjoxfQ)\n
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      Please no prejudice on that oscilloscope, it’s good for what its made for, it’s “calibrated”, it shows a clean square waveform on my simple diy dimmer ([photo](https://imgur.com/Cd1ezm8) to let you see what I mean with simple) versus what is shown in the video with the AliExpress one, an hybrid ramp/square. In the first part I show one of those LED strip that doesn’t work, in the second part I show one that does work, just like every other light or motor I’ve tried
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      I bought a PWM Dimmer based on a 555 from AliExpress to regulate the brightness of a 12V 1A 1 meter LED strip, I already built one myself years ago on a perfboard but this one was the exact dimensions I needed for a project. I built mine from components from AliExpress and components found in old electronics so I thought nothing functionally would change The dimmer is this one [diymore.cc/…/pwm-10a-speed-regulation-led-dimming…](https://www.diymore.cc/products/pwm-10a-speed-regulation-led-dimming-ultra-high-linearity-band-switch) but I attached a real photo of the one I got from AliExpress My problem is that it isn’t doing any regulation while connected to LED strips, I tried with the 1m one and with another light that has three 30cm LED strips in parallel Every other light or motor I connected to it seemed to make it work. I really have no idea what could be causing this, maybe it’s sensible to capacitance? LED strips are two long straight parallel contacts but I don’t think it’s enough to cause anything as displayed here in the video: [live.staticflickr.com/video/…/1080p.mp4?s=eyJpIjo…](https://live.staticflickr.com/video/53017878188/54f865d36d/1080p.mp4?s=eyJpIjo1MzAxNzg3ODE4OCwiZSI6MTY4ODMxNzgwMCwicyI6ImI2MjZiMzk3MjExNTQxZWIyOTYwYzAyNTRmZDNhZDZjZTcwOWUxOGYiLCJ2IjoxfQ)\n
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      I bought a PWM Dimmer based on a 555 from AliExpress to regulate the brightness of a 12V 1A 1 meter LED strip, I already built one myself years ago on a perfboard but this one was the exact dimensions I needed for a project. I built mine from components from AliExpress and components found in old electronics so I thought nothing functionally would change The dimmer is this one [diymore.cc/…/pwm-10a-speed-regulation-led-dimming…](https://www.diymore.cc/products/pwm-10a-speed-regulation-led-dimming-ultra-high-linearity-band-switch) but I attached a real photo of the one I got from AliExpress My problem is that it isn’t doing any regulation while connected to LED strips, I tried with the 1m one and with another light that has three 30cm LED strips in parallel Every other light or motor I connected to it seemed to make it work. I really have no idea what could be causing this, maybe it’s sensible to capacitance? LED strips are two long straight parallel contacts but I don’t think it’s enough to cause anything as displayed here in the video: [live.staticflickr.com/video/…/1080p.mp4?s=eyJpIjo…](https://live.staticflickr.com/video/53017878188/54f865d36d/1080p.mp4?s=eyJpIjo1MzAxNzg3ODE4OCwiZSI6MTY4ODMxNzgwMCwicyI6ImI2MjZiMzk3MjExNTQxZWIyOTYwYzAyNTRmZDNhZDZjZTcwOWUxOGYiLCJ2IjoxfQ)\n
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      I bought a PWM Dimmer based on a 555 from AliExpress to regulate the brightness of a 12V 1A 1 meter LED strip, I already built one myself years ago on a perfboard but this one was the exact dimensions I needed for a project. I built mine from components from AliExpress and components found in old electronics so I thought nothing functionally would change The dimmer is this one [diymore.cc/…/pwm-10a-speed-regulation-led-dimming…](https://www.diymore.cc/products/pwm-10a-speed-regulation-led-dimming-ultra-high-linearity-band-switch) but I attached a real photo of the one I got from AliExpress My problem is that it isn’t doing any regulation while connected to LED strips, I tried with the 1m one and with another light that has three 30cm LED strips in parallel Every other light or motor I connected to it seemed to make it work. I really have no idea what could be causing this, maybe it’s sensible to capacitance? LED strips are two long straight parallel contacts but I don’t think it’s enough to cause anything as displayed here in the video: [live.staticflickr.com/video/…/1080p.mp4?s=eyJpIjo…](https://live.staticflickr.com/video/53017878188/54f865d36d/1080p.mp4?s=eyJpIjo1MzAxNzg3ODE4OCwiZSI6MTY4ODMxNzgwMCwicyI6ImI2MjZiMzk3MjExNTQxZWIyOTYwYzAyNTRmZDNhZDZjZTcwOWUxOGYiLCJ2IjoxfQ)\n
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      I bought a PWM Dimmer based on a 555 from AliExpress to regulate the brightness of a 12V 1A 1 meter LED strip, I already built one myself years ago on a perfboard but this one was the exact dimensions I needed for a project. I built mine from components from AliExpress and components found in old electronics so I thought nothing functionally would change The dimmer is this one [diymore.cc/…/pwm-10a-speed-regulation-led-dimming…](https://www.diymore.cc/products/pwm-10a-speed-regulation-led-dimming-ultra-high-linearity-band-switch) but I attached a real photo of the one I got from AliExpress My problem is that it isn’t doing any regulation while connected to LED strips, I tried with the 1m one and with another light that has three 30cm LED strips in parallel Every other light or motor I connected to it seemed to make it work. I really have no idea what could be causing this, maybe it’s sensible to capacitance? LED strips are two long straight parallel contacts but I don’t think it’s enough to cause anything as displayed here in the video: [live.staticflickr.com/video/…/1080p.mp4?s=eyJpIjo…](https://live.staticflickr.com/video/53017878188/54f865d36d/1080p.mp4?s=eyJpIjo1MzAxNzg3ODE4OCwiZSI6MTY4ODMxNzgwMCwicyI6ImI2MjZiMzk3MjExNTQxZWIyOTYwYzAyNTRmZDNhZDZjZTcwOWUxOGYiLCJ2IjoxfQ)\n
      \n
      Please no prejudice on that oscilloscope, it’s good for what its made for, it’s “calibrated”, it shows a clean square waveform on my simple diy dimmer ([photo](https://imgur.com/Cd1ezm8) to let you see what I mean with simple) versus what is shown in the video with the AliExpress one, an hybrid ramp/square. In the first part I show one of those LED strip that doesn’t work, in the second part I show one that does work, just like every other light or motor I’ve tried
      """
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    The video does not play for me.\n
    \n
    Did you try to dim the LED strip with your selfmade dimmer?
    """
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