Author Archives: mechatronicsguy
Demonstration ROS Coordinate Frames
I spent a bit of time recently help a friend set up a robotics lab. One of the things I wanted to nail down was a consistent set of coordinate frames for all the equipment. The Robot Operating System is … Continue reading
Making the ‘Ultimate’ Pochade Boxes
The previous writeup was getting a bit long, so I thought I’d put the steps used for making the boxes in their own post. I started with the frame, using pine and biscuit joints for securing it:
The ‘Ultimate’ Pochade Box
I’ve been getting interested in plein air oil painting recently, not so coincidentally after Netflix brought out some inspiration. As with any set of tools, painting equipment only has value if you actually use it, and lots of hobbies get dropped, … Continue reading
What we can’t measure, we can’t improve
Quick and dirty post showing something I made this morning to aid in troubleshooting the filtration system at Robots and Dinosaurs. Members from RnD have been building and rebuilding our own lasercutters for years. Mostly building our own because we got … Continue reading
Swear detecting eyebrows with FFT, Teensy & Electroboom
Here’s a quick project I had the idea for after reading that the “swear bleep” sound is actually fairly standardized at 1,000Hz. Using a Teensy & audio shield, I soldered on a microphone scavenged from the junk drawer. With a half … Continue reading
Full Circle Bell Simulator
I’ve recently gotten into Change Ringing, and helped a friend build a bell simulator from a broken bell that was laying around. “Full Circle” bell ringing is a bit counter intuitive. Rather than having the mouth of the bell face … Continue reading
Buckminster Fuller’s Map – A Lasercut Dymaxion Globe
This is the true reason for my previous project on Platonic Solids. I was playing around with map projections, and became a tag smitten with Buckminster FulIer’s Dymaxion Projection. It’s able to do a map projection with surprisingly little distortion: … Continue reading
