The K40 laser cutter, if you know about it, comes with absolutely the bare minimum to get you started. Fortunately, it does comes with a cooling solution: You supply your own water bucket, fill it with distilled water, and drop in the supplied water pump. Failure to do that will probably result in a burnt… Continue reading Upgrading K40 Cooling System with RGB and Peltier Cooler
Month: May 2021
Etch-A-Sketch Pro – Rotary Encoders as Mouse(s)
I recently got a few of those rotary encoders – I was planning to make them into a follow-focus system. It’s a two part process: 1 – make a USB interface for them; 2 – make software that uses Canon’s EDSDK to interface with my camera. So I decided to start on 1, then I… Continue reading Etch-A-Sketch Pro – Rotary Encoders as Mouse(s)
Split Flap Display – Part 1
I recently came by this Technology Connection Video, and I am intrigued by the mechanism of a split flap mechanical clock. I then ran across this GitHub project for a split flap display and I decide to make my own. I made one tweak to the design: I made the letters laser engraved and cut… Continue reading Split Flap Display – Part 1
Using Makefile for Non-programming Tasks
Make is traditionally used to build artifacts from program source code. It can also be used for other tasks, where you need to “build” something out of a “source-of-truth”. For example: video-editing. I personally find ffmpeg able to generate better quality compressed videos than FCPX or Premiere Pro, which is especially important if the desired… Continue reading Using Makefile for Non-programming Tasks