Google Photos’ People-and-Pets search feature makes it easy to click a face and go directly to photographs of that person. Here’s an example from our photo collection: Can you spot the odd person out? Yup? I’ll call her Martha. Of course, I clicked Martha’s face, and up came about 20 photographs. I’ve written about Martha… Continue reading Globetrotter Martha
Category: Play
Understanding Axes
Used a straw constructor toy I just happen to have to help understand the axes (red=x, green=y, blue=z—the rotational axis) for each joint in my current robot according to industry standards. I find it difficult to think spatially, so need to double-check
Robotic Arm
Spent way too much time working on the robotic arm I’m building. Currently it has 8 servo motors, 3 microcomputers, pneumatics, and machine vision. The main challenges, now, are software engineering and redesigning subassemblies as I learn more. Then, I’ll take it all apart.
My Robotic Claw Votes
Posted My Robotic Claw Votes.
Six Degrees of Freedom
Spent way too much time thinking about six degrees of freedom: X, Y, Z, pitch, yaw and roll. I feel a song coming on.
Deconstruction
Deconstructed (LEGO Technic).
LEGO Balls
Took delivery of 40 LEGO balls. They’re precisely the right size and weight for my next project, a Great Ball Contraption.
LEGO Teardown
Posted LEGO Mindstorms Warehouse Picker: Teardown.
LEGO Mindstorms Warehouse Picker: Teardown
Teardown Modules Next Steps Maybe I’ll fix some design defects. Or maybe I’ll just take this all apart, sort the parts into my airline service trolley, then think up a new challenge. Play is good.
Warehouse Picker
Posted LEGO Mindstorms Warehouse Picker.