BX39_MIRAGE_SED
MIRAGE uses WIZ850io(W5500) to send stratospheric methane data from ESP32-C5 to ground via UDP.
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Components
Hardware components
WIZnet - WIZ850io
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Project description
What the Project Does MIRAGE, short for Methane InfraRed Absorption Gas Experiment, is a BEXUS 39 balloon experiment from Uppsala University. The project aims to measure stratospheric methane concentration using an off-the-shelf NDIR gas sensor instead of a more expensive laser-based measurement setup. REXUS/BEXUS lists MIRAGE as a BX39 experiment with a planned October 2026 launch, and describes its goal as low-cost stratospheric methane measurement using an NDIR sensor. The engineering problem is not simply “read a gas sensor.” At stratospheric altitude, air pressure drops so far that the…
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