Category Archives: Projects

IR Beacon Update

I got the boards in and populated one with parts in waves testing in between. First problem is that I used the wrong foot print for the regulator. Luckily the part is big enough to dead bug without major issue. … Continue reading

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IR Beacon

I have been working on numerous projects now that my house is mostly back together after a remodel. This post is to discuss an IR Beacon. This small circuit is to be used to generate a pulse train of IR … Continue reading

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Status Update

It has been a while since I updated my website. Part of this was due to getting busy and part of it for not having much to report. The busy part involved having the house torn apart for some long … Continue reading

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On watchdog timers

For many embedded software engineers, the watchdog timer is something that is designed in at the end. The thought is you just turn it on prior to shipping and “She’ll be right”. But this is a terrible travesty.

Posted in AVC, Processors | Leave a comment

XBee radios

I had gotten a pair of 1 mW XBee radios a while ago. I had wanted to use them to communicate with my robot while it was running. Normally I use an RS-232 cable in the lab, but in the … Continue reading

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IMU heater

I am using a Pololu 9-DOF module as the IMU for my robot. Its a very small device (1.0*0.8″) using MEMS bases gyro, accelerometer, and magnetometers. The trouble is these sensors have some drawbacks. The first is that MEMS sensors … Continue reading

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It has been a while

Life got in the way. I hate it when it does that. Why can’t things like work, taxes, dishes, and doctors appointments just take care of themselves? Why must I be involved? But over the last few weeks I got … Continue reading

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Sailboat start timer revisited

I have been stalled in my work on my robot. Current bug just seems insurmountable. I would come home and avoid the thing like the plague. So I decided to purposefully work on something else for a while.

Posted in PIC, Sailboat Race Timer | 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

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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