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Monthly Archives: June 2013
Grisbot Udrive
I’ve been encountering problems with implementing a hand-wave programming mode for grisbot, but along the way I came up with the following idea: how about a mode where the user holds the robot up to the screen and programs the … Continue reading
Left and Right Blink Proximity Demo
Moore’s Law has been trumped, in that I have doubled the resolution of blink proximity in a single week. So what, you ask? Well, it means that the robot can now turn toward or away from obstacles. Or, even more … Continue reading
If I had a 3D printer (Part 2) . . .
. . . I could make stuff like this: Give up? It’s a camera cradle, for taking photos and video from an elevated angle without having to buy and break out a tripod: Of course, you have to elevate it … Continue reading
Solving Logic Puzzles With Sketchup
Perhaps you’re familiar with those logic puzzles where five people live next to each other and have different traits, and you’re given seemingly unrelated clues and asked to figure who has what. You know, logic puzzles like this one: Well, … Continue reading
Blink proximity detection
This detector works by flashing an LED and comparing photocell readings with LED off and on to subtract ambient light and determine if there is an object in front of the robot which the LED light is reflecting from. Since … Continue reading
If I had a 3D printer . . . .
. . . I’d print me some of these: Reason: I go for walks with my MP3 player, and when the battery dies midway, I have to swap out a new battery. But carrying a battery in a pocket is … Continue reading
The Computer Inside You
When I was a kid back in the 1960s, I mentioned to some other kids on the school bus that I had read a science-speculation article about being able to integrate computers with the human brain. I thought it was … Continue reading
Schematic Diagrams in Sketchup
Paint and Sketchup are the only drawing programs that I know how to use. Paint has become miserable with Windows 7, so that it is almost impossible to draw a straight line, let alone a schematic diagram. So I thought … Continue reading
Engineer Zero 