Este interruptor es accionado por el toque en los sensores, que pueden ser dos chapas de metal. Estas planchas deben ser tocadas simultáneamente para que el relé K1 cierre sus contactos. El tiempo durante el cual el relé se activa es determinado por el capacitor electrolítico y ajustado en P1. La sensibilidad del circuito se ajusta en P2. El relé usado es de 6 V, porque la alimentación es de 6V, pero el circuito también opera en 12V, bastando con un relé equivalente a 12 volts. Para tiempos mayores de accionamiento, aumente el valor del capacitor electrolítico. Para un interruptor de timbre sencillo, coloque el terminal del sensor conectado al negativo de la fuente. En este caso, basta con tocar el otro terminal para que el circuito sea accionado. Recuerde que el cable de conexión al sensor no puede ser muy largo, para que no ocurra el disparo errático por la captación de corrientes espurias. El transistor puede ser cualquier NPN de uso general, así como el diodo. La carga máxima, que puede ser controlada por los contactos del relé, es de 2 amperios por par de contactos.

 


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18.845MBMemory Usage43.11msRequest Duration
Joomla! Version5.2.3
PHP Version8.3.16
Identityguest
Response200
Templatecassiopeia
Database
Server
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Version
10.5.22-MariaDB
Collation
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Conn Collation
utf8mb4_general_ci
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$_POST
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$_SESSION
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