Anthony Good has code prepared that will do this. Only down side is that the newer versions only run on a mega.

As others have pointed out, google is your friend, although this is a good place to start: https://blog.radioartisan.com/

Norm n3ykf

On Mon, Feb 12, 2018 at 6:45 PM, Gerald Witalec jplanner@sbcglobal.net wrote:

Hi everyone, Is anyone using Arduno Uno with stepper motors and HRD to control the AZ/El antennas for the Sats? Jerry...W8RQM _______________________________________________ Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb