[sdiy] OT:5 IC design

[joe mc cool]

joe mc cool wrote:

> Please,
>
> I am sorry to trouble you guys with this:
>
> I am struggling to teach a course on Electronic Circuit Manufacture.  
> I need a design (any application) that features 5 IC's.
>
> The build instructions and testing routines need to be idiot proof, 
> suitable for youngsters, spelt out crystal clear.  I will put it 
> together firstly on bread board and then on ferro board.  The 
> components must be readily availble (RS).

oooops, I have just learnt, that I can get away with 4 IC's.

Thanks

Joe