556? and a few discretes?


----- Original Message ----- 
From: "Alan B. Pearce" <A.B.Pearce@rl.ac.uk>
To: "Microcontroller discussion list - Public." <piclist@mit.edu>
Sent: Wednesday, August 30, 2006 6:05 AM
Subject: Re: [EE] Water filled lightbulb


> >That toy is $25.  Who here thinks they can come
>>up with the cheapest work-alike?
>
> 78L05, 10F200 and beeper, must be about the limit if it has to run from 9V
> ...
>
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