On Mon, 5 Feb 2001, Olin Lathrop wrote:

> >     I need to convert a 4-20mA signal to digital.  Does anyone know if a
> >   chip is available to do this?  If not, what is the best approach to
> take?
> >   Thanks,
>
> How about a small current sense resistor with a suitable comparator circuit.
>
  Yapp! Or a cheap curent to frequency  converter using oldest 555 if you
haven't enough memory for trick's and computation.
Vasile

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