Roger Secura

Roger's Articles

Laser Alignment System for Your CNC Router
January 2020
A simple solution for spot-on center alignment of workpieces.

How I Make 3D Printed Parts
May 2019
Learn my entire process for making 3D parts using free software.

CNC Routers: The Z Axis Zero Setter
April 2019
Why you need a Z axis zero setter, and how to use one to establish the location of “part zero.”

How to “Tram” Your CNC Router
March 2019
Take a look at what tramming a CNC router means, why you need to tram your machine, and the equipment and technique I use to tram mine.

Make a Spring-Loaded Pen Holder for Your CNC Router for $5!
February 2019
A pen holder is a nice addition to any CNC hobbyist’s tool bag.

Beginner’s Guide to CNC Routers
February 2018
Understand the basics before buying a CNC router.

The Schmitt Trigger and How It Works
March 2014
Whether because of harsh environments or the inherent limitations of sensor technology, output signals are rarely as clean as we'd like. Sensor noise can overwhelm a navigation system or even a simple robotics control system. You can take steps such as adding shielding to cables (adds weight), defining noise gates in software (takes space and degrades overall computational performance), and investing in better, more expensive sensors.