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Cosmoneer-Proto

cosmospioneering·Cosmoneer-Proto

Cosmoneer-Proto PCB layout, top view — open source AVR/Arduino board by cosmospioneering

About the Cosmoneer-Proto PCB

Cosmoneer-Proto is an open source AVR/Arduino PCB design by cosmospioneering, published on GitHub. It is a 4-layer board measuring 70 × 50 mm, with 71 components from 32 distinct parts.

Its main chip is the ATMEGA328P-AU, from the AVR/Arduino family. Other key parts include the MCP2120-SL, TFBS4711, MIC5205, AMS1117 and PCA9685. By type, the board carries 17 capacitors, 13 connectors, 12 resistors, 11 diodes, 6 ICs and 5 jumpers.

From the project

Cosmoneer Junior Files

The Cosmoneer Proto is a single-degree of Freedom Spacecraft simulator. This design is the main control board to manage the attitude in a single axis via PWM control through a server and gyro motor, commonly known as a Control Moment Gyro.

This repository contains source files for the Cosmoneer Proto. Here is a table of contents for the repository.

- 3DModels: Rhino 3.0 models, with a sub folder containing Rhino output STL files - Arduino: Arduino code in two folders, with additional required libraries contained in a separate zip file. - Rev0-fab: Rev 0 PCB fabrication files (copper, mask…

Main components on the Cosmoneer-Proto

ATMEGA328P-AUMCP2120-SLTFBS4711MIC5205AMS1117PCA9685

Cosmoneer-Proto bill of materials (BOM)

71 components, 32 distinct parts.

QtyPartRefs
1
ATMEGA328P-AU
U1
1
MCP2120-SL
U2
1
TFBS4711
U3
1
MIC5205
U7
1
AMS1117
U8
1
PCA9685
U9
1
7.3728Mhz
X1
1
16.000Mhz
X2
4
Header
J1, J5, J9, J13
2
Header
J17, J18
1
.1" Header
P1
3
Header
P2, P4, P6
1
SM04B-SRSS-TB
P3
2
CONN_2
P7, P8
1
P***
1PIN
1
FUSE
F1
1
U10
GY-271
5
JUMPER3
JP1, JP2, JP3, JP4, JP5
1
PIEZO Speaker
PZ1
1
SW_PUSH_SMALL
SW1
Show 12 more
QtyPartRefs
10
LED
D1, D2, D3, D4, D5, D6, D7, D8 +2
1
1N4001
D11
5
10uf
C1, C18, C19, C20, C21
2
4.7uf
C2, C4
6
0.1uf
C3, C5, C12, C15, C16, C17
2
27pf
C6, C7
2
15pf
C13, C14
4
10K
R7, R20, R21, R24
1
47 Ohm
R16
1
0 Ohm
R17
2
1K
R18, R19
4
330 Ohm
R25, R26, R27, R28

Cosmoneer-Proto design files

The KiCad project lives in the cosmospioneering/Cosmoneer-Proto repository on GitHub; these links point at the commit this page was built from.

Cosmoneer-Proto: common questions

What microcontroller does the Cosmoneer-Proto use?

The Cosmoneer-Proto is built around the ATMEGA328P-AU, from the AVR/Arduino family.

How big is the Cosmoneer-Proto PCB?

The Cosmoneer-Proto measures 70 × 50 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Cosmoneer-Proto?

71 components, from 32 distinct parts. The full bill of materials is listed on this page.

Where can I download the Cosmoneer-Proto design files?

From the cosmospioneering/Cosmoneer-Proto repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Cosmoneer-Proto design in my own project?

The repository has no license, so all rights stay with cosmospioneering. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Cosmoneer-Proto without the hardware?

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

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