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Monthly Archives: July 2013
Grisbot screen interface for light track
You know, time just flies when I’m doing graphic design. I sure wish I was good at it. Anyhow, the above screen shows the graphical interface (in Scratch) for programming the robot in ‘light track’ mode. 0a: Specifies the distance … Continue reading
Grisbot (S3) follows the light
Poor Little Grisbot S3, I misprogrammed it this morning and instead of going forward it went backward — and off the table onto the floor. Despite landing upside down, it worked all right once I unbent the photocell leads. Anyhow, … Continue reading
Grisbot Model S3
This is basically a wood and glue robot, but it’s sturdy enough for running around a tabletop and that’s what counts. As you can see, it’s also quite small — not much bigger than an Arduino or a computer mouse. … Continue reading
Introducing Foambot
In my continuing quest to drive down the cost of grisbot, I’ve had to reconsider using acrylic. The material costs $3, and then on a good day the local hackerspace charges $18 to cut it. And then depending on the … Continue reading
Test vs. Reality
On the right hand side of the photo is the ‘test bed’ that I use for robot programming. It consists of an Arduino and a couple of breadboards. The support platform is ‘Getting Started with Processing’ but any book of … Continue reading
Five Things To Remember (Pun!) About Arduino EEPROM
EEPROM stands for Electronic Erasable Programmable Read Only Memory and is the place in chip memory where data can be stored in the Arduino/ATMega328 even after power down. This can be useful! The Arduino site has specifics on the EEPROM … Continue reading
Grisbot Scratch Interface for Free-Form Mode
The idea behind free-form mode is that a user can design her own path, say on a sheet of paper, and then program the robot accordingly. Consequently, the programming page simply shows the waypoint icons lined up in rows and … Continue reading
Grisbot Scratch Interface for Udrive
Here is the graphical user interface for U-drive (not U-turn as I said yesterday). To put the robot in U-drive mode, click on the U icon, and then go directly to the communications page. Do not bother with the scales … Continue reading
Grisbot: U-Turn Mode
The idea is to once again program the robot by holding it up to the computer screen — but this time by analog rather than digital communications. (I call this U-Turn Mode because of the U on the screen, but … Continue reading
Engineer Zero and the Lost Temple of Consumerism
A local mall had a flood a few years ago, and has never quite recovered. There’s a lot of empty space, which for me evokes a certain atmosphere of mystery and even a little adventure. Come, let us depart from … Continue reading
Engineer Zero 