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BIRDS-2 1U CubeSat bus

1U CubeSat bus used by the BIRDS-2 satellites released from the International Space Station.

BIRDS-2 1U CubeSat bus is the CubeSat platform used by the BHUTAN-1, Maya-1, and UiTMSAT-1 satellites ^[1]^[2]. It was built within the Kyushu Institute of Technology-led BIRDS-2 capacity-building project with participating student teams from Bhutan, Malaysia, the Philippines, and Japan ^[2]. The bus documentation states BIRDS-1 heritage and identifies an OBC subsystem with dual Renesas H8 36057 microcontrollers, a PIC 16F1787 microcontroller, two flash memories, two multiplexers, SPI interface, and a 437.375 MHz beacon frequency ^[1].

Where this fits, supply chain

Compositional position

Maya-1 ——— this bus

Sources

[1]BIRDS-2 Satellite Busoperator engineering2026-06-26
[2]BIRDS-2: Multi-Nation Cubesat Constellation Project for Learning and Capacity Buildingpeer reviewed2026-06-26

Cite https://eo-atlas.org/products/bus/birds-2-1u-cubesat-bus Markdown twin → Field definitions →