@name Bell
@inputs Button
@outputs Sound Fade
@persist 
@trigger 

interval(200)

if(Button == 1)   {
    B = 1
    timer("one",1250)
    }
else    {
    Sound = 0
    B = 0
    Fade = 0
    }

if(B == 1)  {
    Sound = 1
    }

if(clk("one"))  {
    Sound = 0
    B = 0
    Fade = 1
    }

if(Fade == 1) {
    Sound = 0
    }