myFP2ESP32-S3 Focus Controller download

An ESP32-S3 WiFi focuser.
NONE OF THESE FILES ARE READY. SUBJECT TO CHANGE. WAIT TILL ITS RELEASED.

(c) Robert Brown 2014-2025, Holger M, 2019-2021. All rights reserved.
Code or portions of code may not be copied or used without appropriate credit given to authors.

Spreadsheet to calculate what stepper motor to use.
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

https://youtu.be/90KeSspN3e0

Features

ESP32-S3 based WiFi Focus Controller
Comprehensive user guide (pdf)
Easy to assemble DIY or use PCB design (Download Gerber files)
Wide range of applications for Android, ASCOM, INDI, Linux
Remote Observatory support using DUCKDNS
Support for Zero Lost Steps Controller
Temperature Probe, supports temperature compensation
Interfaces: ALPACA, ASCOM, curl, INDI, TCP/IP, JSON, Web browser, XHTML
Options: Home Position Switch, Display, IN-OUT LED's, Push Buttons, Joystick, Infra-red remote control
Driver Boards CL42T, DRV8825, L298N, ST6128, TMC2225/2209, ULN2003
Motors - 12V NEMA and 12V 28BYJ-48 stepper motors (built-in backlash support)
Servers ALPACA, Debug, Management, TCP/IP, Web Server

Project Activity

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License

MIT License

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myFP2ESP32-S3 Focus Controller Web Site

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Additional Project Details

Operating Systems

Android, Linux, Windows

Programming Language

Related Categories

C# Astronomy Software

Registered

2025-11-13

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