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Re: [AVR-Chat] selection for coil control

2006-03-13 by Jim Wagner

For a task like this, take a look at the Mega48. It is one
of the newer, low-cost processors that still has a DIP
version. It has more I/O pins so that an app like this
might take less external hardware.

Jim


On Sun, 12 Mar 2006 14:43:28 -0700
 "Timothy D. Lenz" <tlenz1@cox.net> wrote:
> I have been looking at using a 2313 for an expermental
> pulse motor, but by
> the time I add enough address decoder parts to do what I
> want, the circuit
> starts getting a bit complex. I started think about maybe
> using a controller
> per coil plus 1 master controller. The problem I see with
> the little 8 pin
> atmel chips is, while they have a lot of stuff in them,
> you still end up
> needing a number of external parts to demultiplex and get
> at them. The coil
> controller needs at least 2 output bits, one input and
> one interupt. It
> would also need a serial port of some kind to receive
> commands form the
> master control, and and ADC that can be used to monitor
> the voltage across
> the coil. I like the Atmel stuf because the chips are
> cheap, many being
> under $5, and they have free development software.
> 
> 
> 
>  
> Yahoo! Groups Links
> 
> 
> 
>  
> 
> 

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