avr

Mar 02 2020

Improving the Eleksmaker A3 Pro Laser Engraver

Willy Tarreau

After starting to use my laser engraver, I found a few points that really needed to be improved. [Update-2024-07-30: new resolution and accuracy improvements described here: https://wtarreau.blogspot.com/2024/07/improving-laser-engravers-resolution.html ] Seeing under the piece First, when...

electronics microcontroller pcb laser cutting hardware mods avr engraving g-code

Sep 22 2019

Quick and clean PCBs for week-end projects

Willy Tarreau

Abstract I started making my own PCBs at the age of 10, using a pencil on PCB. 10 years later I bought a kit with an UV table, the ferro-chloric acid tank with bubbles and heating, and presensitized copper, but found it very difficult to use for occasional week-end projects and continued to work...

electronics microcontroller pcb laser servo avr engraving g-code