Author Archives: Skye Sweeney

Microscope (AmScope SM-3T)

My eyes are getting old. I can no longer focus on close items. For the last few years I used a magnification visor for close up work. But in recent time, even that is not good enough. To get close enough to … Continue reading

Posted in AmScope | 3 Comments

Radio Shack is dead to me

I know it is not news, but Radio Shack is dead. My local store did not shutter when they went bankrupt. It has now been remodeled to bring in a cell phone store in a good 1/4 of the store. … Continue reading

Posted in Personal | 1 Comment

Saleae Logic-8

I just was given a Saleae Logic-8 logic analyzer probe as a birthday gift. I am in love with not only the giver (my wife), but the unit itself. Admittedly I have only had it for an hour, but everything … Continue reading

Posted in Product reviews | 2 Comments

First 3D printed part

My employeer has graciously allowed employees to use their top of the line 3D printer for personal projects subject to a bunch of conditions. My SUNDAR project falls within the guidlines for using minimal amount of materials and time. So … Continue reading

Posted in Uncategorized | Leave a comment

Dealing with angles (and averaging them)

The nasty thing about angle measurements is the fact that they roll over. That is to say if you add 10 degrees to 355 degrees you get 365, but what you really want is 5. So after every addition or … Continue reading

Posted in Uncategorized | Leave a comment

On stepper motors

I have never designed a system with stepper motors in them, but I have used such systems in the past. After my first experiments with the SUNDAR, it became apparent that the best solution would be to replace the RC … Continue reading

Posted in Uncategorized | Leave a comment

Complimentary filter

I have been struggling with how to fuse all the data into one cohesive mess. In the case of heading I have several source. I have a magnetometer, the heading from GPS, the integrated value from the gyro, and if I … Continue reading

Posted in Uncategorized | Leave a comment

SUNDAR light sensor experiment

I have been sidelined for a very long time due to work. I have only had a few days off from work in the last 2 months. Makes working on my AVC robot difficult if not impossible. But I have … Continue reading

Posted in SUNDAR | Leave a comment

Interesting bugs

Over the last few months, I have been sending to my software group at work a puzzle/quiz in the form of a bug I have found in my robot code. They seem to get a kick out of especialy since … Continue reading

Posted in AVC, Personal, Software | 4 Comments

Data collection. 1 of n

Today I took my robot to my test area. I collected two battery packs worth of data. I am now begging the long process of analyzing 15 megabytes of binary log files. Oh Joy! No sarcasm here. I love data. … Continue reading

Posted in AVC | Leave a comment