Encontramos esta sirena de transistor en una antigua publicación inglesa. Los transistores son de la época, pero se pueden utilizar equivalentes actuales. La frecuencia se puede cambiar cambiando los componentes.

Sirena
Encontramos esta sirena de transistor en una antigua publicación inglesa. Los transistores son de la época, pero se pueden utilizar equivalentes actuales. La frecuencia se puede cambiar cambiando los componentes.
El circuito integrado utilizado en esta configuración consiste en un comparador de tensión...
Estos son circuitos de accionamiento que utilizan MOSFET de potencia. Lo encontramos en una...
He encontrado este circuito en una publicación de los años 80. Hace uso del co n conocidoPLL567 y acciona...
Joomla! Version | 5.2.3 |
PHP Version | 8.3.20 |
Identity | guest |
Response | 200 |
Template | cassiopeia |
Database |
|
1 x After Access::preloadPermissions (com_content) (16.22MB) (54.42%) | 23.97ms |
1 x afterRenderComponent com_content (334.06KB) (14.01%) | 6.17ms |
1 x afterInitialise (1.14MB) (8.13%) | 3.58ms |
1 x afterRender (251.44KB) (6.81%) | 3.00ms |
1 x beforeRenderRawModule mod_articles_category (Banco de Circuitos) (358.44KB) (3.49%) | 1.54ms |
1 x afterRenderRawModule mod_finder (Busca_inteligente) (129.21KB) (2.62%) | 1.16ms |
1 x Before Access::getAssetRules (id:25519 name:com_content.article.29194) (514.65KB) (2.44%) | 1.08ms |
1 x afterRoute (89.95KB) (1.52%) | 669μs |
1 x beforeRenderModule mod_articles_category (Banco de Circuitos) (9.27KB) (1.43%) | 629μs |
1 x After Access::preloadComponents (all components) (107.06KB) (1.09%) | 482μs |
1 x beforeRenderComponent com_content (100.41KB) (0.9%) | 397μs |
1 x afterRenderRawModule mod_articles_category (Banco de Circuitos) (15.43KB) (0.67%) | 295μs |
1 x beforeRenderModule mod_finder (Busca_inteligente) (6.64KB) (0.57%) | 253μs |
1 x afterLoad (85.42KB) (0.48%) | 212μs |
1 x Before Access::preloadComponents (all components) (33.45KB) (0.38%) | 166μs |
1 x beforeRenderRawModule mod_finder (Busca_inteligente) (5.9KB) (0.23%) | 101μs |
1 x afterRenderModule mod_articles_category (Banco de Circuitos) (5.47KB) (0.2%) | 87μs |
1 x After Access::getAssetRules (id:25519 name:com_content.article.29194) (7.38KB) (0.13%) | 57μs |
1 x afterRenderModule mod_finder (Busca_inteligente) (4.44KB) (0.12%) | 54μs |
1 x afterDispatch (2.25KB) (0.1%) | 43μs |
1 x Before Access::preloadPermissions (com_content) (1.57KB) (0.02%) | 8μs |
SELECT @@SESSION.sql_mode;
33μs968B/libraries/src/Session/MetadataManager.php:184CopySELECT `session_id`
FROM `incbmx_session`
WHERE `session_id` = :session_id LIMIT 1
57μs1.31KBParams/libraries/src/Session/MetadataManager.php:187CopyUPDATE `incbmx_session`
SET `guest` = :guest
, `time` = :time
, `userid` = :user_id
, `username` = :username
, `client_id` = :client_id
WHERE `session_id` = :session_id
55μs992BParams/libraries/src/Session/MetadataManager.php:316CopySELECT `id`,`rules`
FROM `incbmx_viewlevels`
55μs608B/libraries/src/Access/Access.php:955CopySELECT `b`.`id`
FROM `incbmx_usergroups` AS `a`
LEFT JOIN `incbmx_usergroups` AS `b` ON `b`.`lft` <= `a`.`lft` AND `b`.`rgt` >= `a`.`rgt`
WHERE `a`.`id` = :guest
79μs1.64KBParams/libraries/src/Access/Access.php:868CopySELECT `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`
166μs3.86KBParams/libraries/src/Categories/Categories.php:375CopySELECT `id`,`name`,`rules`,`parent_id`
FROM `incbmx_assets`
WHERE `name` IN (:preparedArray1,:preparedArray2,:preparedArray3,:preparedArray4,:preparedArray5,:preparedArray6,:preparedArray7,:preparedArray8,:preparedArray9,:preparedArray10,:preparedArray11,:preparedArray12,:preparedArray13,:preparedArray14,:preparedArray15,:preparedArray16,:preparedArray17,:preparedArray18,:preparedArray19,:preparedArray20,:preparedArray21,:preparedArray22,:preparedArray23,:preparedArray24,:preparedArray25,:preparedArray26,:preparedArray27,:preparedArray28,:preparedArray29,:preparedArray30,:preparedArray31,:preparedArray32,:preparedArray33,:preparedArray34,:preparedArray35,:preparedArray36,:preparedArray37,:preparedArray38,:preparedArray39)
325μs7.44KBParams/libraries/src/Access/Access.php:357CopySELECT `id`,`name`,`rules`,`parent_id`
FROM `incbmx_assets`
WHERE `name` LIKE :asset OR `name` = :extension OR `parent_id` = 0
10.44ms1.48MBParams/libraries/src/Access/Access.php:301CopySHOW FULL COLUMNS FROM `incbmx_content`
375μs2.39KB/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:587CopyUPDATE `incbmx_content`
SET `hits` = (`hits` + 1)
WHERE `id` = '29194'
163μs48B/libraries/src/Table/Table.php:1348CopySELECT `a`.`id`,`a`.`asset_id`,`a`.`title`,`a`.`alias`,`a`.`introtext`,`a`.`fulltext`,`a`.`state`,`a`.`catid`,`a`.`created`,`a`.`created_by`,`a`.`created_by_alias`,`a`.`modified`,`a`.`modified_by`,`a`.`checked_out`,`a`.`checked_out_time`,`a`.`publish_up`,`a`.`publish_down`,`a`.`images`,`a`.`urls`,`a`.`attribs`,`a`.`version`,`a`.`ordering`,`a`.`metakey`,`a`.`metadesc`,`a`.`access`,`a`.`hits`,`a`.`metadata`,`a`.`featured`,`a`.`language`,`fp`.`featured_up`,`fp`.`featured_down`,`c`.`title` AS `category_title`,`c`.`alias` AS `category_alias`,`c`.`access` AS `category_access`,`c`.`language` AS `category_language`,`fp`.`ordering`,`u`.`name` AS `author`,`parent`.`title` AS `parent_title`,`parent`.`id` AS `parent_id`,`parent`.`path` AS `parent_route`,`parent`.`alias` AS `parent_alias`,`parent`.`language` AS `parent_language`,ROUND(`v`.`rating_sum` / `v`.`rating_count`, 1) AS `rating`,`v`.`rating_count` AS `rating_count`
FROM `incbmx_content` AS `a`
INNER JOIN `incbmx_categories` AS `c` ON `c`.`id` = `a`.`catid`
LEFT JOIN `incbmx_content_frontpage` AS `fp` ON `fp`.`content_id` = `a`.`id`
LEFT JOIN `incbmx_users` AS `u` ON `u`.`id` = `a`.`created_by`
LEFT JOIN `incbmx_categories` AS `parent` ON `parent`.`id` = `c`.`parent_id`
LEFT JOIN `incbmx_content_rating` AS `v` ON `a`.`id` = `v`.`content_id`
WHERE
(
(`a`.`id` = :pk AND `c`.`published` > 0) AND
(`a`.`publish_up` IS NULL OR `a`.`publish_up` <= :publishUp)) AND
(`a`.`publish_down` IS NULL OR `a`.`publish_down` >= :publishDown) AND `a`.`state` IN (:preparedArray1,:preparedArray2)
156μs6.12KBParams/components/com_content/src/Model/ArticleModel.php:215CopySELECT `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`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id
ORDER BY `c`.`lft`
185μs3.91KBParams/libraries/src/Categories/Categories.php:375CopySELECT `m`.`tag_id`,`t`.*
FROM `incbmx_contentitem_tag_map` AS `m`
INNER JOIN `incbmx_tags` AS `t` ON `m`.`tag_id` = `t`.`id`
WHERE `m`.`type_alias` = :contentType AND `m`.`content_item_id` = :id AND `t`.`published` = 1 AND `t`.`access` IN (:preparedArray1,:preparedArray2)
227μs3.97KBParams/libraries/src/Helper/TagsHelper.php:388CopySELECT `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`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id
ORDER BY `c`.`lft`
175μs3.91KBParams/libraries/src/Categories/Categories.php:375CopySELECT DISTINCT a.id, a.title, a.name, a.checked_out, a.checked_out_time, a.note, a.state, a.access, a.created_time, a.created_user_id, a.ordering, a.language, a.fieldparams, a.params, a.type, a.default_value, a.context, a.group_id, a.label, a.description, a.required, a.only_use_in_subform,l.title AS language_title, l.image AS language_image,uc.name AS editor,ag.title AS access_level,ua.name AS author_name,g.title AS group_title, g.access as group_access, g.state AS group_state, g.note as group_note
FROM incbmx_fields AS a
LEFT JOIN `incbmx_languages` AS l ON l.lang_code = a.language
LEFT JOIN incbmx_users AS uc ON uc.id=a.checked_out
LEFT JOIN incbmx_viewlevels AS ag ON ag.id = a.access
LEFT JOIN incbmx_users AS ua ON ua.id = a.created_user_id
LEFT JOIN incbmx_fields_groups AS g ON g.id = a.group_id
LEFT JOIN `incbmx_fields_categories` AS fc ON fc.field_id = a.id
WHERE
(
(`a`.`context` = :context AND (`fc`.`category_id` IS NULL OR `fc`.`category_id` IN (:preparedArray1,:preparedArray2)) AND `a`.`access` IN (:preparedArray3,:preparedArray4)) AND
(`a`.`group_id` = 0 OR `g`.`access` IN (:preparedArray5,:preparedArray6)) AND `a`.`state` = :state) AND
(`a`.`group_id` = 0 OR `g`.`state` = :gstate) AND `a`.`only_use_in_subform` = :only_use_in_subform
ORDER BY a.ordering ASC
429μs4.75KBParams/libraries/src/MVC/Model/BaseDatabaseModel.php:164CopySELECT `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`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id
ORDER BY `c`.`lft`
201μs3.91KBParams/libraries/src/Categories/Categories.php:375CopySELECT `name`,`element`
FROM `incbmx_extensions`
WHERE `type` = 'plugin' AND `folder` = 'finder' AND `enabled` = 1
140μs1.89KB/administrator/components/com_finder/src/Helper/LanguageHelper.php:135CopySELECT `title`
FROM `incbmx_finder_taxonomy`
WHERE `parent_id` = 1 AND `state` = 1 AND `access` IN (1,5)
93μs648B/administrator/components/com_finder/src/Indexer/Taxonomy.php:325CopySELECT *
FROM `incbmx_schemaorg`
WHERE `itemId` = :itemId AND `context` = :context
74μs1.55KBParams/plugins/system/schemaorg/src/Extension/Schemaorg.php:403CopySELECT `a`.`id`,`a`.`asset_id`,`a`.`title`,`a`.`alias`,`a`.`introtext`,`a`.`fulltext`,`a`.`state`,`a`.`catid`,`a`.`created`,`a`.`created_by`,`a`.`created_by_alias`,`a`.`modified`,`a`.`modified_by`,`a`.`checked_out`,`a`.`checked_out_time`,`a`.`publish_up`,`a`.`publish_down`,`a`.`images`,`a`.`urls`,`a`.`attribs`,`a`.`version`,`a`.`ordering`,`a`.`metakey`,`a`.`metadesc`,`a`.`access`,`a`.`hits`,`a`.`metadata`,`a`.`featured`,`a`.`language`,`fp`.`featured_up`,`fp`.`featured_down`,`c`.`title` AS `category_title`,`c`.`alias` AS `category_alias`,`c`.`access` AS `category_access`,`c`.`language` AS `category_language`,`fp`.`ordering`,`u`.`name` AS `author`,`parent`.`title` AS `parent_title`,`parent`.`id` AS `parent_id`,`parent`.`path` AS `parent_route`,`parent`.`alias` AS `parent_alias`,`parent`.`language` AS `parent_language`,ROUND(`v`.`rating_sum` / `v`.`rating_count`, 1) AS `rating`,`v`.`rating_count` AS `rating_count`
FROM `incbmx_content` AS `a`
INNER JOIN `incbmx_categories` AS `c` ON `c`.`id` = `a`.`catid`
LEFT JOIN `incbmx_content_frontpage` AS `fp` ON `fp`.`content_id` = `a`.`id`
LEFT JOIN `incbmx_users` AS `u` ON `u`.`id` = `a`.`created_by`
LEFT JOIN `incbmx_categories` AS `parent` ON `parent`.`id` = `c`.`parent_id`
LEFT JOIN `incbmx_content_rating` AS `v` ON `a`.`id` = `v`.`content_id`
WHERE
(
(`a`.`id` = :pk AND `c`.`published` > 0) AND
(`a`.`publish_up` IS NULL OR `a`.`publish_up` <= :publishUp)) AND
(`a`.`publish_down` IS NULL OR `a`.`publish_down` >= :publishDown) AND `a`.`state` IN (:preparedArray1,:preparedArray2)
169μs6.17KBParams/components/com_content/src/Model/ArticleModel.php:215CopySELECT 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` = 1
71μs1.37KBParams/administrator/components/com_scheduler/src/Model/TasksModel.php:465Copy