Vi una experiencia en Internet en la que un LED estaba conectado a una batería y parpadeaba. Lo hice con un LED normal y no parpadeó. ¿Por qué?

Los LED comunes solo se encienden cuando se alimentan con una batería o una fuente. Para parpadear, necesitan un circuito oscilador que se pueda hacer con circuitos integrados o transistores. Sin embargo, hay LEDs a la venta que ya tienen el circuito oscilador incorporado en su interior en forma de chip. Entonces, simplemente encienda estos LED con el voltaje indicado en el que parpadean.

18.924MBMemory Usage43.55msRequest Duration
Joomla! Version5.2.3
PHP Version8.3.20
Identityguest
Response200
Templatecassiopeia
Database
Server
mysql
Version
10.5.22-MariaDB
Collation
latin1_swedish_ci
Conn Collation
utf8mb4_general_ci
$_GET
[]
$_POST
[]
$_SESSION
array:1 [ "joomla" => "***redacted***" ]
$_COOKIE
[]
$_SERVER
array:51 [ "USER" => "apache" "HOME" => "/usr/share/httpd" "SCRIPT_NAME" => "/index.php" "RE...
session
array:3 [ "counter" => 1 "timer" => array:3 [ "start" => 1751902806 "last" => 1751902806...
registry
array:3 [ "data" => [] "initialized" => false "separator" => "." ]
user
array:21 [ "id" => 0 "name" => null "username" => null "email" => null "password" => "***r...
  • afterLoad (85.23KB) (505μs)
  • afterInitialise (1.14MB) (5.15ms)
  • afterRoute (179.16KB) (1.2ms)
  • beforeRenderComponent com_content (100.7KB) (509μs)
  • Before Access::preloadComponents (all components) (33.45KB) (270μs)
  • After Access::preloadComponents (all components) (107.06KB) (699μs)
  • Before Access::preloadPermissions (com_content) (1.57KB) (12μs)
  • After Access::preloadPermissions (com_content) (16.22MB) (22.78ms)
  • Before Access::getAssetRules (id:18820 name:com_content.article.22666) (514.65KB) (1.54ms)
  • After Access::getAssetRules (id:18820 name:com_content.article.22666) (7.38KB) (61μs)
  • afterRenderComponent com_content (18.53KB) (1.5ms)
  • afterDispatch (2.28KB) (79μs)
  • beforeRenderRawModule mod_articles_category (Banco de Circuitos) (408.62KB) (2.58ms)
  • afterRenderRawModule mod_articles_category (Banco de Circuitos) (15.43KB) (626μs)
  • beforeRenderRawModule mod_finder (Busca_inteligente) (5.9KB) (114μs)
  • afterRenderRawModule mod_finder (Busca_inteligente) (64.68KB) (1.7ms)
  • beforeRenderModule mod_articles_category (Banco de Circuitos) (9.27KB) (702μs)
  • afterRenderModule mod_articles_category (Banco de Circuitos) (5.47KB) (106μs)
  • beforeRenderModule mod_finder (Busca_inteligente) (6.64KB) (202μs)
  • afterRenderModule mod_finder (Busca_inteligente) (4.44KB) (55μs)
  • afterRender (143.6KB) (3.01ms)
  • 1 x After Access::preloadPermissions (com_content) (16.22MB) (52.31%)
    22.78ms
    1 x afterInitialise (1.14MB) (11.83%)
    5.15ms
    1 x afterRender (143.6KB) (6.91%)
    3.01ms
    1 x beforeRenderRawModule mod_articles_category (Banco de Circuitos) (408.62KB) (5.92%)
    2.58ms
    1 x afterRenderRawModule mod_finder (Busca_inteligente) (64.68KB) (3.91%)
    1.70ms
    1 x Before Access::getAssetRules (id:18820 name:com_content.article.22666) (514.65KB) (3.53%)
    1.54ms
    1 x afterRenderComponent com_content (18.53KB) (3.45%)
    1.50ms
    1 x afterRoute (179.16KB) (2.77%)
    1.20ms
    1 x beforeRenderModule mod_articles_category (Banco de Circuitos) (9.27KB) (1.61%)
    702μs
    1 x After Access::preloadComponents (all components) (107.06KB) (1.61%)
    699μs
    1 x afterRenderRawModule mod_articles_category (Banco de Circuitos) (15.43KB) (1.44%)
    626μs
    1 x beforeRenderComponent com_content (100.7KB) (1.17%)
    509μs
    1 x afterLoad (85.23KB) (1.16%)
    505μs
    1 x Before Access::preloadComponents (all components) (33.45KB) (0.62%)
    270μs
    1 x beforeRenderModule mod_finder (Busca_inteligente) (6.64KB) (0.46%)
    202μs
    1 x beforeRenderRawModule mod_finder (Busca_inteligente) (5.9KB) (0.26%)
    114μs
    1 x afterRenderModule mod_articles_category (Banco de Circuitos) (5.47KB) (0.24%)
    106μs
    1 x afterDispatch (2.28KB) (0.18%)
    79μs
    1 x After Access::getAssetRules (id:18820 name:com_content.article.22666) (7.38KB) (0.14%)
    61μs
    1 x afterRenderModule mod_finder (Busca_inteligente) (4.44KB) (0.13%)
    55μs
    1 x Before Access::preloadPermissions (com_content) (1.57KB) (0.03%)
    12μs
14 statements were executed9.92ms1.52MB
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  • SELECT `c`.`id`,`c`.`asset_id`,`c`.`access`,`c`.`alias`,`c`.`checked_out`,`c`.`checked_out_time`,`c`.`created_time`,`c`.`created_user_id`,`c`.`description`,`c`.`extension`,`c`.`hits`,`c`.`language`,`c`.`level`,`c`.`lft`,`c`.`metadata`,`c`.`metadesc`,`c`.`metakey`,`c`.`modified_time`,`c`.`note`,`c`.`params`,`c`.`parent_id`,`c`.`path`,`c`.`published`,`c`.`rgt`,`c`.`title`,`c`.`modified_user_id`,`c`.`version`, CASE WHEN CHAR_LENGTH(`c`.`alias`) != 0 THEN CONCAT_WS(':', `c`.`id`, `c`.`alias`) ELSE `c`.`id` END as `slug` FROM `incbmx_categories` AS `s` INNER JOIN `incbmx_categories` AS `c` ON (`s`.`lft` <= `c`.`lft` AND `c`.`lft` < `s`.`rgt`) OR (`c`.`lft` < `s`.`lft` AND `s`.`rgt` < `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`238μs20.2KBParams/libraries/src/Categories/Categories.php:375Copy
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  • SELECT `id`,`name`,`rules`,`parent_id` FROM `incbmx_assets` WHERE `name` LIKE :asset OR `name` = :extension OR `parent_id` = 07.8ms1.48MBParams/libraries/src/Access/Access.php:301Copy
  • SHOW FULL COLUMNS FROM `incbmx_content`392μs2.39KB/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:587Copy
  • UPDATE `incbmx_content` SET `hits` = (`hits` + 1) WHERE `id` = '22666'166μs48B/libraries/src/Table/Table.php:1348Copy
  • SELECT `name`,`element` FROM `incbmx_extensions` WHERE `type` = 'plugin' AND `folder` = 'finder' AND `enabled` = 1142μs608B/administrator/components/com_finder/src/Helper/LanguageHelper.php:135Copy
  • SELECT `title` FROM `incbmx_finder_taxonomy` WHERE `parent_id` = 1 AND `state` = 1 AND `access` IN (1,5)86μs648B/administrator/components/com_finder/src/Indexer/Taxonomy.php:325Copy
  • SELECT * FROM `incbmx_schemaorg` WHERE `itemId` = :itemId AND `context` = :context63μs1.55KBParams/plugins/system/schemaorg/src/Extension/Schemaorg.php:403Copy
  • SELECT SUM(CASE WHEN `a`.`next_execution` <= :now THEN 1 ELSE 0 END) AS due_count,SUM(CASE WHEN `a`.`locked` IS NULL THEN 0 ELSE 1 END) AS locked_count FROM `incbmx_scheduler_tasks` AS `a` WHERE `a`.`state` = 175μs1.37KBParams/administrator/components/com_scheduler/src/Model/TasksModel.php:465Copy