[TowerTalk] Rotor control design

Patrick Greenlee patrick_g at windstream.net
Sun Jan 18 15:11:57 EST 2015

The intro to K3NG's Arduino based approach for controllers...


This is an Arduino-based rotator interface that interfaces a computer to 
a rotator or rotator controller, emulating the Yaesu GS-232A/B and 
Easycom protocols which are supported by a myriad of logging, contest, 
and control programs.  It can be easily interfaced with commercial 
rotator control units.  With the addition of a proper capacity power 
supply and several interface components such as relays, this unit could 
also serve as a total replacement for a rotator control unit or serve as 
the basis for a 100% homebrew rotation system.  Several azimuth and 
elevation position sensors including potentiometers, rotary encoders, 
and I2C devices are supported.  The code is very flexible, modular, and 
easy to read allowing intermediate and advanced experimenters and 
builders to customize it.

As a recent adopter of Arduino micro-controller projects I am not in a 
position to contribute much as I am not too far beyond the "Hello World" 
equivalent stage and am having to wake up the grey matter where my 
sparse C programming experience is hibernating.

There is fairly extensive coverage of many related  sketches (Arduino 
jargon) in the public domain which you could "data mine" and give 
yourself a quick start.

Patrick   NJ5G

On 1/18/2015 12:07 PM, Lizeth Norman wrote:
> Check out k3ng's arduino based controller. Has a NMEA interface with
> sun/moon tracking. It works fairly well.
> On Sun, Jan 18, 2015 at 11:47 AM, john nistico
> <electric911inc at hotmail.com> wrote:
>> I am starting to work on a rotor control box and software that will work based on a stations gps coordinates as opposed to compass direction. Looking for feed back before I waste the time.
>> John J. Nistico
>> 911 Electric Inc.
>> 516.325-8993
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