Este circuito fue encontrado en una publicación de 1981 y consiste en un interesante juego de habilidad manual. El circuito completo del juego se muestra en la figura y funciona de la siguiente manera: el jugador debe buscar pasar la argola por el alambre tortuoso sin dejar que un respaldo en el otro. Si esto ocurre, el circuito dispara cerrando el contacto del relé que entonces cambia la indicación visual de verde a rojo. Si esto ocurre un punto negativo debe ser contado para el jugador o entonces el mismo debe ser descalificado para dar oportunidad a otro. El rearme del circuito en cada disparo se realiza presionando el interruptor S1 en paralelo con el SCR. La alimentación del circuito se realiza con una tensión de 6 o 12 V y el relé debe elegirse para cerrar con este valor. Debemos observar que debe ser considerada en la sensibilidad del relé la pequeña caída de tensión del orden de 2 V que ocurre en el SCR en conducción. Los resistores R1 y R2 conectados en serie con los LED tienen sus valores elegidos según la tensión de alimentación. Para una tensión de 6 V las resistencias pueden ser de 27º R x 1/8 W y para 12 V de 470 R x 1/8 W.

 


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18.817MBMemory Usage39.87msRequest Duration
Joomla! Version5.2.3
PHP Version8.3.16
Identityguest
Response200
Templatecassiopeia
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