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Learn about the structure, components, and software specifications of the ASCEND payload developed by the Embry-Riddle Aeronautical University team in collaboration with NASA. The payload aims to examine carbon dioxide emissions concerning altitude and test structural integrity for future balloon flights.
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Embry-Riddle Aeronautical University ASCEND! Payload Fall 2013 ERAU NASA Space Grant
ASCEND Team • Robert Bearden • Dallas Hodge • Aaron Petreck • Ryan Sallee • Clayton Jacobs • Kevin Jordan • Mo Sabliny
Outline • Payload • Structure • Components • Specifications of components • Software • Overall Payload Specifications • Conclusion
Payload • Examine carbon dioxide emissions with respect to altitude • Was intended to be on HASP payload, but unable to due to shipping problems • Test structural integrity of Eaglesat structure for future balloon flights
Structure • 3/4-inch thick hardened foam shell • Thermal insulation • Fiberglass epoxy cap • Built in-house • Cost effective • Experience working with fabrication
Components • Arduino Mega Microcontroller • Seeeduino Shield compatible with Arduino • Carbon Dioxide gas board and sensor • Venus GPS antenna and receiver • LM19 Temperature sensor • Openlog (SD Card socket) • 11.1 V 2100 mah Li-Po battery • GoPro Hero 2 • Eaglesat Structure Rev 1.1
Specifications • Arduino Mega • GPS • CO2 board • Temperature sensor • Openlog • GPS, temperature sensor and open log placed on shield • Require 3.3 V
Specifications (cont.) • CO2 board • Operates at 5 V • Rated to operate to -40 Celsius • Board layout designed in house • GoPro Hero 2 • 720p, 30 fps • Extra battery backpack • Aimed horizontally
Specifications (cont.) • Eaglesat structure • 1U (10cm x 10cm x 10cm) • Aluminum 6061
Software • Programmed in Arduino • Sample rate: 1 per second • Temperature and CO2 readings will be unprocessed • Data Processing (post-flight) • Temperature and CO2 data points will be entered in a transfer function • Temperature will display degrees Celsius • CO2 data will read PPM (parts per million)
Overall Payload Specifications • Weight: 3 pounds 1.5 ounces • Payload string integration method • Lamp rod