Now that we have already devised a simple contraption that allows a computer to convert guiding commands into light pulses, our next task is to devise a way for a telescope mount to “read” these pulses and translate it into actual east-west movement. This part of the DIY guide will describe the wiring diagrams that will enable any computer to talk to any type of telescope mount (i.e., with or without an autoguider port).

Wiring diagram of a DIY autoguider

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