Locked up my bike outside the Twin City Model Railroad Museum. In a dark room where the lights had failed, other nerdy old guys were pointing their phone flashlights at tables filled with surplus models that were on sale. I did likewise, looked, but didn’t buy.
Category: Play
My First Great Ball Contraption
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My First Great Ball Contraption
A great ball contraption (GBC) is a [LEGO] machine which receives soccer balls or basketballs from one module and passes them to another module, rather like a bucket brigade. Modules built according to the GBC standard can be assembled into a collaborative display without pre-planning or modification. greatballcontraption.com GBC’s are a whole LEGO subculture, complete… Continue reading My First Great Ball Contraption
No Video Game Here
Spent way too many hours hacking data streaming out of a game controller. I don’t do video games, I’m figuring out how to use it to control seven servo-motors
Visualizing LEGO
Got back to my Lego Mindstorms robot after resting my brain for a few weeks. Started building a software visualization of the robot to help me understand where to move the joints to position the tip of the robot at a particular position and orientation. Needed a nap afterwards.
AFOL
Did something really nerdy: posted to a technical discussion on an AFOL (adult fans of LEGO) site.
Jigsaw Puzzle
Completed a travel-themed jigsaw puzzle, a gift from a friend.
Unsolicited Gifts
Reviewed our unsolicited holiday gift collection: a “gifting set” from The LEGO Company (wrapping paper, card, stickers, etc.), a face mask from our state representative, and plastic champagne flutes from the Minnesota Orchestra (to be used during their New Year’s Eve broadcast).
Learning in a Time of Covid
In these days of Covid, travel is not an option. Instead, learning new stuff has been fueling our ikigai (getting us out of bed in the morning), and giving us plenty to talk about over dinner. Until one of our dinnertime conversations, I thought grow lights were pretty straightforward. Apparently the cognoscente measure “photosynthetically active… Continue reading Learning in a Time of Covid
Redesigning a Robot’s Joint
With temperatures dropping to single digits (Fahrenheit), decided to stay inside and rest my joints. Spent much of the day redesigning one of my robot’s six joints.