El circuito propuesto genera señales en el rango de 9 kHz a más de 44 kHz, que se ha comprobado que expulsa a los mosquitos cuando se aplica a un tweeter. El circuito también molesta a otros animales que tienen oídos sensibles o escuchan ultrasonidos como ratones, perros, gatos, etc. Los ajustes deben hacerse experimentalmente y para probar la operación se puede usar un medidor de frecuencia conectado a P1. El transistor de efecto de campo de potencia admite equivalentes y debe estar equipado con un pequeño radiador de calor. El devanado del transformador primario debe tener voltaje de acuerdo con la red local. Se pueden usar tweeters de hasta 20 W, dando preferencia a los tipos piezoeléctricos que alcanzan frecuencias más altas. Una posibilidad de alteración que lleva este circuito a una versión de baja potencia es conectar directamente a la salida del TLC555 la cápsula piezoeléctrica tweeter. Para esto, se debe abrir y se debe quitar el pequeño transformador interno. Con este cambio, el circuito puede funcionar con baterías o con una batería de 9 V. Ideal para acampar y pescar ...

 

Repelente de insectos
Repelente de insectos | Haga click en la imagen para ampliar |

 

 

 

18.812MBMemory Usage39.54msRequest Duration
Joomla! Version5.2.3
PHP Version8.3.16
Identityguest
Response200
Templatecassiopeia
Database
Server
mysql
Version
10.5.22-MariaDB
Collation
latin1_swedish_ci
Conn Collation
utf8mb4_general_ci
$_GET
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$_POST
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$_SESSION
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$_SERVER
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