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Category Archives: Uncategorized
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
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
Noise Meter Challenge
The Big Brained Superheroes Club has issued a challenge to build a noise meter, and so I thought I would give it a try. Hence I looked up a web page at the arduino site for building a noise meter. … Continue reading
Lessons Learned This Past Week
1. Cut the capacitor leads short so they won’t accidentally touch the photocell leads. 2. Fresh batteries make a big difference. 3. When masking tape is used to mark waypoints, a pipe-cleaner skid is prone to snag. 4. Do not … Continue reading
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Programming the ATTiny45
About a year and a half ago, Matt Richardson did a video on how to ‘shrinkify’ your Arduino projects with the ATTiny chip. It was a very interesting idea that I finally got around to doing on Friday. Here’s what … Continue reading
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Grisbot Hoop Capture Test
I’ve got a bad feeling about this. Before we begin, some brief technical details: The orange pipe cleaner provides friction to compensate for servo swerve. *** The catcher is just a piece of wire. Nobody likes overengineering. *** More equipment … Continue reading
Variations on a brushbot
In my continuing efforts to find a simple product to market, I thought, “Why don’t I make some upgrade mods to the conventional brushbot?” So I ordered a brushbot kit from Maker Shed, and modified as shown. The long green … Continue reading
Weighing Robotics
Some weights that are interesting to know. Display has one decimal place, so that 442 = 44.2. The display does have a decimal point, but it doesn’t show at the angle of the photos. Sorry. This is an Uno R3. … Continue reading
Grisbot with Arduino
Here is a preliminary design of a dual tray assembly that can carry both an Arduino and a mini bread board: Here’s an underview, showing how it all fits onto the robot body: As is, the tray assembly can’t be … Continue reading
Engineer Zero 