Telescope

Vixen SXD Mount Converted To STM32 OnStep

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After nine months of modifying the OnStep open source telescope controller to run on the cheap STM32 ARM Cortex M3 microcontroller, it is time to reap the fruits of this long labour: I have an OnStep powered mount ...

Back in mid December 2017, I submitted to Howard the Hardware Abstraction Layer (HAL) to enable ports of OnStep to additional platforms in a modular fashion with less effort. Before the STM32 was completed, HAL proved useful in supporting RAMPS, Arduino Due, and lately the ESP32.

DIY GOTO Telescope Controller With Autoguiding and Periodic Error Correction

In these pages, I describe how to make a Do It Yourself (DIY) Telescope Controller. That is, a piece of electronics that would at a minimum drive motors on the telescope to track the sky.

The features should be:

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