The standard FocusLynx Controller hub can easliy be converted into a Dual-Focus Controller with the addition of the optional Second Stepper Driver board.
Featuring an easy-to-install board with a double row connector, the Second Stepper Driver pushes directly into the main FocusLynx control board. Review the video below to see how easy converting your FocusLynx into a Dual Focus controller can be.
Optec FocusLynx controller,
Starlight Instruments FocusBoss II controller.
Click here for the FocusLynx Secondary Stepper Board Installation instructions in pdf format – revision 2.
For owners of the MicroTouch square box motors, the Second Stepper Board can be used to drive the unipolar motors with an easy-to-make cable. Start with a standard Cat-5e Ethernet cable, cut one end off, and attached a 6-pin RJ12 connector as shown in the wiring diagram for the Direct Connect Cable.