VZLUSAT-2: CubeSat with a Linux Payload Computer
summary
The 3U CubeSat carries two COTS SoC Linux payload computers that read LVDS 1.3 MP camera sensors, compress images with OpenJPEG, run on ~3 W average power and communicate over UHF 9.6 kbps link and CAN using CSP. An unplanned AI classifier is uploaded and validated in orbit — 100 KB upload took 27 hours — cloud detection works and attitude control runs via MicroPython. Image retrieval is slow so one full image can take up to 40 passes; the satellite launched in 2022 and remains operational.
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chapters (5)
- 0:00Start
- 9:32Hardware considerations-Low Earth orbit 1/2
- 16:50BSP and software
- 20:16Unplanned in-orbit upgrade
- 32:14Conclusion and future plans
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