John, do you have a chip with a built in RTC you'd recommend?  I'm
embarrassed to admit I didn't know about them, and have typically used a
cheap Dallas RTC on the protoboard clocks I have built as xmas gifts.


On Tue, Nov 26, 2013 at 7:14 PM, NeonJohn <j...@neon-john.com> wrote:

>
>
> On 11/26/2013 06:06 PM, Matt Wetherill wrote:
>
> > I thought I might try something driven by an Arduino - it'll be quite
> > a learning curve but should keep me busy ;)
>
> Hi Matt,
>
> Welcome back.  Mine may not be a real popular opinion but I do NOT like
> the Arduino.  It's mangled sorta-C++ is a pain, though you can program
> in C except for some libraries.  It's expensive for what you get and
> quite short on I/O pins.  Incidentally, if you just want to play with
> the Arduino style of doing things, Digikey sells the programmed chip for
> $5.  Just add 5 volts, a TTL serial interface and a clock and there you go.
>
> I suggest looking at one of the several chips that have battery-backed
> RTCs built-in.  Get one in DIP format and assemble something on a proto
> board.
>
> BTW, in the next week or two I'm going to be open sourcing (hardware and
> software) a nifty little count-down counter that I designed for one of
> our products.  It uses the ATmega8515 which isn't a very interesting
> chip but it has lots of I/O pins which is what I needed.  I heavily
> document my code, especially that which gets released so it would be a
> good starting point.  I'll announce here when I get it finished (boards
> to be here on Black Friday :-)
>
> John
>
> >
>
> --
> John DeArmond
> Tellico Plains, Occupied TN
> http://www.fluxeon.com      <-- THE source for induction heaters
> http://www.neon-john.com    <-- email from here
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>
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