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#12
17-01-2015, 10:44
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Re: Barógrafo do it yourself.
"" It rings when the pressure is falling quicker than 140 Pa/h. To avoid the barograph rings too often, after the sailor aknowledged the alarm, the barograph won’t ring for at least 1 hour.
My buzzer has its resonnace frequency at 2500Hz so it’s configurate to rings at this frequency to have it louder."" Entiendo que tambien lleva un boton para anular la alarma durante una hora?  
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Modo de árbol