Category Archives: Uncategorized

Hardware for Light Above Procedure

When I was at Big-Brained Superheroes on Monday, I noticed that the kids were aiming the flashlight at the robot from above. So why not have a light-following procedure that responds to light shined from above? After some somewhat sloppy … Continue reading →

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Grisbot One-Click Transfer

I have been going with three buttons for the transmit procedure because I needed to calibrate light and dark rectangles before I could read the data. That made it cumbersome and confusing to use the transmit procedure. Here’s how the … Continue reading →

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Grisbot goes into the light

At the Big-Brained Superheroes Club.

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Batteries: A Cautionary Tale

On Saturday, I took grisbot to the Seattle Robotics Society meeting and showed a demo video of the light-follow mode. After the main presentation, I got out grissy and tried to set up a real-time demo in case someone wanted … Continue reading →

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A Picture of Resistance

(Images downloaded from Sketchup Warehouse. CREDITS: Log by Ferrari, shoes by best-lemming, tricycle by Taylor, clover leaf by Super Builder, gloves by MorBius, die by syicreations, calendar by HARBURCOMPUTERS, octopus by [green])

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Grisbot Light Follow Test 2

In the following test, I have incorporated the light follow sketch into the general grisbot sketch. In other words, by using the graphical user interface written in Scratch, the user can either program the robot for following paths or for … Continue reading →

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Grisbot Light Follow Screen

In addition to the obstacle challenges, I’ve added a control screen to the GRIS program for light-follow mode. To get there, you click on the little flashlight icon at the top of the screen. In case my artistic abilities aren’t … Continue reading →

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Grisbot Light Follow Test #1

A little different from what I had in mind, but interesting: 1. When there’s low light, robot pauses two seconds, then spins. 2. When there’s high light, robot follows the light. Only the left photocell is being used here. I’ve … Continue reading →

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Light Follow Test Rig

With this test rig, I plan to write a sketch for grisbot that will cause the robot to follow a flashlight beam. There will be two states, Triggered and Non-triggered. The transition to from N to T occurs at a … Continue reading →

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Mic Check, some progress

On the left is a swatch of code that I wrote to read the analog input from the microphone circuit and print it to the serial monitor. On the right is the serial monitor. Under normal circumstances, the value read … Continue reading →

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