myFP2ESP32-Dev WiFi ASCOM Focuser download

An ESP32-Dev WiFi focuser. DIY or PCB designs.
(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/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

Features

ESP32-Dev Module 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
Network Role: AccessPoint, Station. Multi-AP
Interfaces: ALPACA, ASCOM, curl, INDI, TCP/IP, JSON, Web browser, XHTML
ASCOM Drivers (WiFi)
Linux: Application (src) and INDI driver
MDNS
Windows Application (Multi-language support)
Options: Home Position Switch, Display, IN-OUT LED's, Push Buttons, Joystick, Infra-red remote control
Driver Boards DRV8825, L298N, TMC2225/2209, ULN2003, CL42T
Motors - 12V NEMA and 28BYJ-48 stepper motors (built-in backlash support)
Servers ALPACA, Debug, Management, TCP/IP, Web Server
Presets accessed by infra-red remote controller or applications

Project Samples

Project Activity

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License

MIT License

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franske Edited 2025-07-15

Is there a simple ESP32 version with only a stepper motor ULN2003? I have those parts and only want a simple Ascom focuser. I get the idea that this project is a bit too much.
sioladoc Posted 2024-01-07

great job! I use this focuser since 2019 no problems!

Additional Project Details

Operating Systems

Android, Linux, Windows

Intended Audience

End Users/Desktop

User Interface

Windows Aero

Programming Language

Related Categories

C# Hardware Platform, C# Astronomy Software, C# IoT Software

Registered

2019-07-14

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