Versatile, Open-Source Goto Control for Telescopes

Github repositories

• hjd1964/OnStep

  OnStep Telescope Controller is a versatile computerized goto controller for telescopes, using Teensy or Arduino to control stepper motors. It supports Equatorial Mounts and Alt-Az mounts, offering various connection options such as Bluetooth, WiFi, and USB. OnStep is compatible with the LX200 protocol, allowing control from planetarium software like Sky Safari and Stellarium. The project provides comprehensive documentation, including PCB designs and configuration instructions. Developed by Howard Dutton, OnStep is open-source software licensed under GPL. Support and discussions are available through the OnStep Group mailing list.