myFP2ESP32 WiFi ASCOM Focus Controller download

An ESP32 WiFi focuser based on ESP32 WiFi. DRV8825, ULN2003, L298N, TMC2225, TMC2209. Support for ALPACA, Android, ASCOM, INDI, Linux, NINA, Webserver, JSON, TCP/IP.

(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 author.

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 based WiFi Focus Controller
Comprehensive user guide (pdf)
Wide range of applications for Android, ASCOM, INDI, Linux
Alpaca Server - eliminate need to install an ASCOM driver
ASCOM Drivers (WiFi)
Windows Application (Multi-language support)
Remote Observatory support using DUCKDNS
Servers ALPACA, Debug, Management, TCP/IP, Web Server
Temperature Probe, supports temperature compensation
Network Role - AccessPoint or Station or connect to multiple devices
Interfaces - ALPACA, ASCOM, INDI, TCP/IP, JSON, Web browser, XHTML
Easy to assemble DIY or use PCB design (Download Gerber files)
Driver Boards DRV8825, L298N, TMC2225/2209, ULN2003
Display, Graphics or Text
Home Position Switch
IN-OUT LED's, Push Buttons, Joystick, Infra-red remote control
Motors - 12V NEMA and 28BYJ-48 stepper motors (built-in backlash support)
Presets accessed by infra-red remote controller or applications

Project Samples

Project Activity

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License

MIT License

Follow myFP2ESP32 WiFi ASCOM Focus Controller

myFP2ESP32 WiFi ASCOM Focus Controller Web Site

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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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