modified 7 years ago

Fuente sensora de bajo voltaje

00:32:01

Transformador electrónico para acoplar a circuito comparador de tensión:
La salida del Zener de 12V es la tensión a comparar con la salida del Zener de 8V. Cuando la tensión de la salida del Zener de 12V cae ésta podría desactivar al comparador AOP con una compuerta XNOR a la base de un transistor NPN dejando de conducir por la bobina de un relay protegiendo de ésta manera un bajo voltaje no deseado.

Comparador con AOP:
http://everycircuit.com/circuit/5659529324003328

published 7 years ago

hurz

7 years ago

Things you better do not do.

eekee

7 years ago

huh? oh yeah, no isolation from mains = dangerous.

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