[TriEmbed] ADC

[Rodney Radford]

I have not used the modbus Arduino code before, but it does look
interesting. However in reading the description they state it is designed
to use with either their Ethernet shield or the RS485 shield, but I did not
see anything on running it with just a standalone Arduino. If it is
possible to just use the TTL serial port of the Arduino, that would be very
nice, indeed.

On Mon, Oct 26, 2020 at 8:20 AM John Vaughters via TriEmbed <
triembed at triembed.org> wrote:

> >You might avoid the ADC chip and instead use an Arduino.
>
> +1
>
> My favorite combo is to use the Rpi UART with a nano arduino that has 8
> ADCs @ 10bit and you can get them for like $5. I like to make the ardiuno
> dumb with a modbus slave. The combination with the UART/MODBUS is extremely
> reliable. You can also pump it out to tcp with the mbusd utility.
>
> Just some thoughts
>
> John Vaughters
>
>
>
>
>
> On Monday, October 26, 2020, 7:14:39 AM EDT, John Moore via TriEmbed <
> triembed at triembed.org> wrote:
>
>
>
>
>
>
> You might avoid the ADC chip and instead use an Arduino.  Some Arduino's
> give an 8 channel ADC at 10 bits resolution.
> https://www.arduino.cc/en/Tutorial/Foundations/AnalogInputPins
>
> -John Moore
>
>
>
>
> On Sun, Oct 25, 2020 at 10:34 AM The MacDougals via TriEmbed <
> triembed at triembed.org> wrote:
> > I am looking for an 8 channel ADC chip.
> > 10 bit is sufficient.  I2C is preferred but SPI would be OK.
> > Hand solderable package highly preferred.
> > I found these:
> > https://www.ti.com/lit/ds/symlink/adc128d818.pdf  - $5.30 at DigiKey
> >
> https://www.analog.com/media/en/technical-documentation/data-sheets/2309fd.pdf
> - $7.34 at Digikey
> >
> > Any opinions? Anyone have something in their personal stock?
> > Anyone interested in sharing shipping costs on a DigiKey order?
> >
> > ---> Paul
> >
> >
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> --
>
> -------------------------------------------------------------------------------
> Carl J. Nobile (Software Engineer)
> carl.nobile at gmail.com
>
> -------------------------------------------------------------------------------
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