Curious Scientist

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David Elias Flores Escalante

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Andrzej Dmytrow

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Tools, APP Software Used etc.

	KiCad 9.0
	fusion360
	arduino IDE Arduino

Description

3-axis stepper motor controller with CNC pendant connectivity

In this article, I show you the updated version of my motorized microscope. In one of my older videos, I introduced my motorized microscope and explained all the principles. Now, I show you the updated version. The main feature is that I incorporated the recently introduced CNC pendant into the system. Since the CNC pendant operates at 5 V and it also has a lot of wires, I decided to expand my previous board and make it compatible with the pendant. Apart from this step, I also did other things to make the board better.

Update 2026-05-18:

The device received a computer software that allows full control. The video demonstrates the capabilities of the circuit while it is being controlled from a computer.

Schematic and Layout

Detailed article on my website

https://curiousscientist.tech/blog/motorised-microscope-with-cnc-pendant

Interactive BOM

ibom.html

Article about the PC software

https://curiousscientist.tech/blog/motorized-microscope-software-update

Nov 07,2025

817 views

3-axis stepper motor controller with CNC pendant connectivity

This PCB allows you to control your 3-axis rig as if it were a CNC machine.

817

Published: Nov 07,2025

Standard PCB

Centroid file

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