[sdiy] it's SEQUENCER time!!!!

[Peter Grenader]

on 9/27/02 4:11 PM, Studio 271 Productions at studio271 at mail.ev1.net wrote:

>> 
>> An external voltage going into a ganged set of 3914s acting as a 3 bit A to
> D.
> 
> That reminds me of a question I came up with a few weeks ago...
> COuld someone point me to a circuit as a cheap Analog->BCD
> Converter?... I'd like it for a sequencer feature I'm working on: VC
> Reset point... thx...
> 
> -Drew

Cheap analog to 3 bit digital:

a voltage into a 3914.  first eight outputs of the 3914 into a 8 in, binary
out multiplexer.  Multiplexer 4 bit binary out - only three of the bits will
do anything (remember, there only 1 thru 8 going into it).

There you have it - a simple A to D converter.

P