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Tag Archives: grisbot
From Scratch to Arduino Test Bed
In my last blog entry, I created a new graphical interface in Scratch for transmitting data to the microcontroller on the robot. Tonight I verified that the Scratch program is able to communicate via screen flashes with the Arduino test … Continue reading
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
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
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
Engineer Zero 