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Payload

OSUSat·cubesat·payload/v1/hardware/payload.kicad_pcb

Payload PCB layout, top view — open source Raspberry Pi board by OSUSat
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About the Payload PCB

Payload is an open source Raspberry Pi PCB design by OSUSat, published on GitHub under the MIT license. It is a 4-layer board measuring 80 × 80 mm, with 55 components from 29 distinct parts.

Its main chip is the CM4, from the Raspberry Pi family. Other key parts include the MCP2517FD-XJHA, SN65HVD230, 74LVC1G07 and DRV8846. By type, the board carries 16 capacitors, 15 resistors, 7 ICs, 7 connectors, 6 diodes and 2 crystals.

It belongs with the rf & radio, science & space and power & battery designs in this gallery.

From the project

Open Source Earth Imaging Satellite Hardware + Firmware

Welcome to the central repository for the OSUSat Climate Science CubeSat project. This repository contains the hardware designs, firmware, and documentation for the sub-systems comprising the satellite.

The OSUSat Climate Science CubeSat is a low-Earth orbit (LEO) satellite designed to capture high-resolution imagery and scientific data for climate science research.

Main components on the Payload

CM4MCP2517FD-XJHASN65HVD23074LVC1G07DRV8846

Payload bill of materials (BOM)

55 components, 29 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
CM4
U1
2
MCP2517FD-XJHA
MCP2517FD-xJHA
U2, U5
2
SN65HVD230
U4, U7
1
74LVC1G07
U6
1
DRV8846
U9
2
20 MHz
Y1, Y2
1
~
J1
1
ARJM11C7-502-AB
J2
1
USB_C_RECEPTACLE_USB2.0_16P
USB_C_Receptacle_USB2.0_16P
J3
1
CONN_02X04_ODD_EVEN
Conn_02x04_Odd_Even
J4
1
CONN_01X05
Conn_01x05
J5
1
~
J7
1
CONN_02X20_ODD_EVEN
Conn_02x20_Odd_Even
J10
1
JUMPER_2_OPEN
Jumper_2_Open
JP1
1
SW_Push
SW1
2
LED
D1, D2
4
D_Zener
D3, D4, D5, D6
9
100N
100n
C1, C4, C9, C10, C11, C12, C13, C15 +1
1
10U
10u
C2
1
2.2U
2.2u
C3
Show 9 more
QtyPartRefs
4
TBD
C5, C6, C7, C8
1
1u
C14
4
1k
R1, R2, R10, R11
3
5.1K
5.1k
R3, R4, R7
2
1
R5, R6
1
12K
12k
R8
1
2k
R9
2
120
R12, R13
2
51K
51k
R17, R18

Payload design files

The KiCad project lives in the OSUSat/cubesat repository on GitHub; these links point at the commit this page was built from.

Payload: common questions

What microcontroller does the Payload use?

The Payload is built around the CM4, from the Raspberry Pi family.

How big is the Payload PCB?

The Payload measures 80 × 80 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Payload?

55 components, from 29 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Payload design files?

From the OSUSat/cubesat repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Payload design in my own project?

Yes, under the terms of its MIT license, which OSUSat chose for the repository.

Can I test firmware for the Payload without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Raspberry Pi firmware against it before you order a PCB.

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