Category Archives: SUNDAR

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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SUNDAR Field Trial #1

This weekend was bitter cold. With the temperature in the single positive digits (F) I was unwilling to drag my gear outside. But at the same time I needed to run some experiments. So I set myself up in the … Continue reading

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SUNDAR videos

I took the time to create a YouTube video on the SUNDAR. This gives an overview of the system: http://www.youtube.com/watch?v=DYgdluVEM1c And this is some more detail on the sensor head: http://youtu.be/ipH3iqc-TdQ I also found that I could get much better … Continue reading

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SUNDAR getting close to field testing

I have a nearly complete prototype of the sensor at this point. The scanner will find and then track the sun as the car turns. If it losses the sun, it will open up its scan window to get it … Continue reading

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SUNDAR update

It has been a while since I last posted and a lot has happened in the meantime. I will not bore you with Thanksgiving celebrations, but I will let you know the last few weekends have not been my own. … Continue reading

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SUNDAR upgrade parts

I just got in the mail today the parts I ordered for the SUNDAR upgrade. I am a very happy camper. The stepper motor I purchased was a little ‘5V’ 200 step unit from Pololu. To this I added a … Continue reading

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SUNDAR upgrades

After I have proven to myself that I have a good chance to get a solar compass to work for AVC, I started to look at improvements. The first would have to be miniaturization. Currently the system is very bulky, … Continue reading

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It works (SUNDAR)

I finally got some free time at the same time the sun was visible to take the SUNDAR outside. I took it out on my deck and hoping for the best, turned it on. Here is an output from the … Continue reading

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Out of town

I got called out of town for a week. Did not get a chance to start testing the SUNDAR. And now by the time I get home it is dark. Testing will have to wait till the weekend. Grrrrr.

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A hope for the SUNDAR

Last night I started end to end testing of my solar compass. The pre-amp, amplifier, AGC, and digitizer circuits all seem to work. The code for computing Azimuth also seems to work in a lab environment. So far so good. … Continue reading

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