...https://sourceforge.net/projects/arduinoascomfocuserpro2diy/files/Documentation/Nema-Stepper-Motors.xlsx/download
Spreadsheets to calculate CFZ
https://sourceforge.net/projects/myfocuserpro2-esp32/files/CFZ%20Spreadsheets/CFZ%20Spreadsheets.zip/download
Focuser Basics Guide (PDF) - shows how to derive the correct motor requirements for your system (mandatory reading)
https://sourceforge.net/projects/myfocuserpro2-esp32/files/Documentation/Focuser%20Basics.pdf/download
https://youtu.be/90KeSspN3e0
myFocuserPro2 (myFP2) is an ASCOM - INDI - LINUX - WINDOWS telescope focuser with a large range of options.
309,000+ file downloads. The most popular focuser project.
(c) Copyright Robert Brown 2014-2025. All Rights Reserved.
Code or portions of code may not be copied or used without written permission from the author.
Other Focuser Projects
myFP2ESP32 WiFi - https://sourceforge.net/projects/myfocuserpro2-esp32/ [ESP32 Only]
myFP2ESP8266 WiFi -
...
...https://sourceforge.net/projects/myfp2esp32-s3-focus-controller/files/documents/Nema-Stepper-Motors.xlsx/download
Spreadsheets to calculate CFZ
https://sourceforge.net/projects/myfp2esp32-s3-focus-controller/files/documents/CFZ%20Spreadsheets.zip/download
Focuser Basics Guide (PDF) - shows how to derive the correct motor requirements for your system (mandatory reading)
https://sourceforge.net/projects/myfp2esp32-s3-focus-controller/files/documents/Focuser%20Basics.pdf/download