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Satellite Built with $20 CPU, 48 AA Batteries Tests Method to Reduce Costs:

Satellite Built with $20 CPU, 48 AA Batteries Tests Method to Reduce Costs:

From : techspot.com on 2023-03-22

In context: When most people think about space satellites, they probably imagine large assemblies costing millions. An experiment from Brown University seeks to upend traditional assumptions about satellites by finding ways to build them cheaply and without leaving behind space junk. New data from a satellite built by college students shows encouraging signs that could lead to cheaper satellites and less space junk. One 3D-printed component, in particular, could contribute significantly to the fight to keep the space orbiting Earth clean. Students and faculty from Brown University started the project in collaboration with the Institute on Atmospheric Pollution of the National Research Council. Italian aerospace company D-Orbit, AMSAT-Italy, La Sapienza-University of Rome, and the NASA Rhode Island Space Grant also lent support. Its name, SBUDNIC, is a play on the Russian Sputnik 1 satellite and an acronym of the participants' names. The craft is a 3U CubeSat (about 10x10x34.05cm) that delivers low-resolution images from orbit with a total budget of around 10,000 dollars. Almost all its components are available from either Amazon or ordinary hardware stores. The processor controlling the satellite is a 20 dollar Arduino Nano BLE. The entire control system, including the CPU, motherboard, and other parts, costs just 175 dollars. A ham radio-based add-on handles communication, 48 AA batteries provide power, and the students 3D printed a drag sail that acts as an altitude control mechanism.

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