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Plugin booktool_accessrule does not declare valid $plugin->component in its version.php.
line 330 of /lib/classes/plugin_manager.php: call to debugging()
line 364 of /lib/classes/plugin_manager.php: call to core\plugin_manager->load_present_plugins()
line 285 of /lib/classes/plugininfo/base.php: call to core\plugin_manager->get_present_plugins()
line 209 of /lib/classes/plugininfo/base.php: call to core\plugininfo\base->load_disk_version()
line 159 of /lib/classes/plugininfo/base.php: call to core\plugininfo\base::make_plugin_instance()
line 60 of /lib/classes/plugininfo/qbank.php: call to core\plugininfo\base::get_plugins()
line 432 of /lib/classes/plugin_manager.php: call to core\plugininfo\qbank::get_plugins()
line 681 of /lib/classes/plugin_manager.php: call to core\plugin_manager->get_plugins_of_type()
line 128 of /lib/classes/plugininfo/qbank.php: call to core\plugin_manager->get_plugin_info()
line 1453 of /lib/questionlib.php: call to core\plugininfo\qbank::is_plugin_enabled()
line 4935 of /lib/navigationlib.php: call to question_extend_settings_navigation()
line 4546 of /lib/navigationlib.php: call to settings_navigation->load_course_settings()
line 843 of /lib/pagelib.php: call to settings_navigation->initialise()
line 965 of /lib/pagelib.php: call to moodle_page->magic_get_settingsnav()
line 228 of /lib/classes/navigation/views/secondary.php: call to moodle_page->__get()
line 893 of /lib/pagelib.php: call to core\navigation\views\secondary->initialise()
line 965 of /lib/pagelib.php: call to moodle_page->magic_get_secondarynav()
line 65 of /theme/lambda2/layout/incourse.php: call to moodle_page->__get()
line 959 of /lib/classes/output/core_renderer.php: call to include()
line 875 of /lib/classes/output/core_renderer.php: call to core\output\core_renderer->render_page_layout()
line 80 of /mod/glossary/showentry.php: call to core\output\core_renderer->header()
Es un dispositivo que mide la magnitud del campo magnético a través del efecto Hall. Se utiliza en IoT para detección de posición, velocidad y corriente eléctrica.