This page refers to the December 2017 QST article “Computer-Controlled Antenna Rotator,” by NV1Q.

Version 2.1.0.0 is now available. It will work with rotators that have 0° or 180° as  0-Position. (i.e. 0V feedback from rotator).

When you install the program on your PC, it will also install a folder onto the desktop that contains all the supporting documentation including the Arduino software.

Printed circuit boards and complete kits are available.

Download the article here.

Download the complete software (Version 2.1.0.0) here.

To download just the Arduino source code, go here.

Installation and setup instructions are here.

A new PCB for the HAM IV is being tested now.