vc wave select

[tomg]

> hey, doing a adc with the NS bar graph drivers is a nice idea !
> I think they can do a dot and a bar mode.
> Does your design take advantage of this dual mode?
> 
> m.c.

No, both 3915s are in dot mode. This gives me one line active at
a time, making it a lot easier to steer it to the output I want.

>You can save a lot of wiring using 4532 priority encoders.
>Grant Richter 

The wave selector is not a true adc. I rearranged it so it would
switch waves in the order I wanted. Ruins it for adc applications.
But your 4532 idea might work fine on this version. I though
somebody might be interested, so I converted it to a more
proper adc.

-tg

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