April 2, 2010
News - High Altitude Balloon Pro…
about 5 years ago
First off, sorry you couldn’t retrieve your project. Second, nicely done, I like that you used the I2C sensors, I do have a question. Since I am working on a similar project. It is however limited to just data acquisition for a weather balloon.
My question is this; you used the BMP085 pressure sensor which is what I had intended to use until after some research into pressures at that altitude and the data sheet which says its range is 300hPa-1100hPa. Research indicated I needed to get down to around 100hPa or 1mBar. How did the BMP085 perform (I took it from the article you were streaming live info from the payload), did it bottom out?
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