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Design and code for Rotator using PCB supporting DRV8825, ULN2003 and L298N boards. Supported with ASCOM driver, Windows application, firmware and comprehensive documentation.
(c) R Brown, 2020-2025, 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(s).
Features
- Simple, cheap easy to build
- DRV8825, L298N and ULN2003
- Uses bi-directional moves to avoid cable wrap
- Optional Home Sensor
- Linux application
- Windows Application
- ASCOM Driver
- Arduino Nano
Project Samples
Follow Arduino myRotator ASCOM
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User Reviews
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Your project is great. Is it possible to add backlash to the program? I use nema17 with a gearbox, there is a backlashReply from Arduino myRotator ASCOMPosted 2023-06-14
Yes, Backlash support will be in Firmware release 125 -
Thanks for sharing your great project!!
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I have built this project and the rotator works a treat. I used the circuit diagram and code as written however made my own board. I was able to print a 3D ring gear and case to fit the shape of the telescope. It is a great project and I am looking now at the dew controller. So far I have made a number of Roberts projects and all work 100% MyFocuser MyRotator MyUsbController
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Hello Mr. Brown, can you write this myRotator in Indilibs? I use stellarmate with Indilibs and can't use the ASCOM driver! Thank you, Andy