Robert Woodcock
Robert Woodcock replied to the topic 'What drivers to use for a DIY mount' in the forum. 7 years ago


Second axis geartrain (this is basically like a barn door curved bolt mechanism)

First axis steppers

Lower circuit board. This connects to the battery, has a PCA9635 (PWM controller IC) that the Pi sends I2C to, and has MOSFETs that drive the steppers.
It also connects power and I2C to the upper circuit board through a slip ring.

Front of EQ platform

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