An Arduino based controller for a DC motor focuser solution. Replaces RigelSys/JMI DC Controllers. Windows application and ASCOM driver available. Works with most DC motor solutions (eg RigelSys, JMI, Orion, Skywatcher etc).

Feature rich and low cost. Build the controller for under $25.

(c) Copyright Robert Brown 2014-2025. All Rights Reserved.
Permission is granted for personal and Academic use only.
Code or portions of code may not be copied or used without appropriate credit given to author.

Features

  • myDCFocuserPro Windows Application for manual control of focuser
  • Can use in standalone or remote via USB connection
  • Dedicated myDCFocuser ASCOM focuser driver
  • Works with common astronomy applications via ASCOM driver
  • Controls DC motors from Rigelsys, Orion, SkyWatcher, JMI etc
  • Push buttons for manual control of IN and OUT
  • Two variable pots for controlling pulse length (time motor is ON) and delay between pulses
  • Use external power (6-9VDC) for powering Arduino and DC motor
  • Supports Relative or Absolute focusing
  • LED indications for IN, OUT
  • L9110S driver board support
  • Added Temperature Probe Option - Jan 2016
  • Jogging Control - May 2016
  • DO NOT DOWNLOAD SOFTWARE FROM OTHER SITES AS AN EXE/ISO/ZIP FILE - THESE FILES ARE NOT SUPPORTED AND MAY CONTAIN MALWARE

Project Samples

Project Activity

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Categories

Hardware, Astronomy

License

Creative Commons Attribution License

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myDCFocuser Arduino Relative DC Focuser Web Site

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Additional Project Details

Operating Systems

Windows

Intended Audience

End Users/Desktop

User Interface

Win32 (MS Windows)

Programming Language

C#

Related Categories

C# Hardware Platform, C# Astronomy Software

Registered

2014-12-24