This looks like a very good starting point. It's a superset
that I can just simplify.
Rick
On 12/13/2017 12:10 PM, Adrian Godwin wrote:
Maybe this one ?
http://www.qsl.net/pa3ckr/bascom%20and%20avr/ad9951/index.html
There are probably many others
On Wed, Dec 13, 2017 at 8:03 PM, Richard (Rick) Karlquist <
rich...@karlquist.com> wrote:
I need a very simple controller to tune a DDS with up/down
switches (imagine setting the time on a clock). A DDS
chip, such as an AD9836 would go on a PC board and a couple
of pushbuttons would tell the controller to tune up or
down.
Before reinventing this wheel, I thought I would see if
anyone knows of a similar solution that can be leveraged.
What I would like is both hardware and software, where
the software could be edited to accommodate the up/down
buttons. A last resort would be to write software from
scratch. My software skills are extremely limited.
Cutting and pasting code might work for me.
I need to be able to embed this onto an existing PC board.
I can't use a preexisting "daughter" card, other than
to copy the design of the card.
Rick Karlquist
N6RK
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