Awesome

astroberry-amh

Astroberry Motor HAT provides INDI focuser driver for Adafruit Motor HAT addon board to Raspberry Pi:

How to start?

First, you need to download and install INDI server and libraries. See INDI site for more details. In most cases it's enough to run:

sudo apt-add-repository ppa:mutlaqja/ppa
sudo apt-get update
sudo apt-get install libindi1

Second, download and install astroberry-amh

Compiling from source:

sudo apt-get install libindi-dev
git clone https://github.com/rkaczorek/astroberry-amh.git
cd astroberry-amh
mkdir build
cd build
cmake ..
make
sudo make install

How to use it?

Start your INDI server with Astroberry Motor HAT driver:

indiserver -l /var/log/indi -f /var/run/indi -p 7624 indi_amh_focuser

Start KStars with Ekos, connect to your INDI server and enjoy!

NOTE: You need to have wiringPi installed on your Pi to use this driver. The latest (and original) version of wiringPi is available here
You also need to activate I2C support on your Pi before you begin. Make sure you have these two lines in your /boot/config.txt:

dtparam=i2c1=on
dtparam=i2c_arm=on