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CircularM0 - AvionicsProcessor

djmallek·CycloneRocketry·Board5 - Circular Feather/Circular Avionics/CircularM0 - AvionicsProcessor.kicad_pcb

CircularM0 - AvionicsProcessor PCB layout, top view — open source Microchip SAM board by djmallek
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About the CircularM0 - AvionicsProcessor PCB

CircularM0 - AvionicsProcessor is an open source Microchip SAM PCB design by djmallek, published on GitHub. It is a 2-layer board measuring 88.9 × 88.9 mm, with 56 components from 29 distinct parts.

Its main chip is the ATSAMD21G18, from the Microchip SAM family. Other key parts include the ECS-.327-12.5-17X-TR, SPX3819M5-L-3-3, MCP73831, MPL3115A2 and DS3231-SO16. By type, the board carries 19 capacitors, 16 resistors, 8 ICs, 7 connectors, 5 diodes and 1 buzzer.

It belongs with the rf & radio designs in this gallery.

From the project

Some work I do for CycloneRocketry

This is an avionics control board for Iowa State's Cyclone Rocketry club. Our rocketry must carry a payload to a target altitude of 10,000ft. Score is determined by how close a team's rocket can get to the target altitude, among other things. To ensure we hit our target altitude, we have an air brakes system which actively calculates when and how long it needs to deploy it's air brakes system. The board additionally provides data-logging and radio-relayed GPS tracking.

Main components on the CircularM0 - AvionicsProcessor

ECS-.327-12.5-17X-TRSPX3819M5-L-3-3ATSAMD21G18MCP73831MPL3115A2DS3231-SO16BNO055

CircularM0 - AvionicsProcessor bill of materials (BOM)

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

QtyPartRefs
2
ECS-.327-12.5-17X-TR
U1, U8
1
SPX3819M5-L-3-3
U2
1
ATSAMD21G18
U3
1
MCP73831
U4
1
MPL3115A2
U5
1
DS3231-SO16
U6
1
BNO055
U7
1
USB_A
J1
1
1S LiPo
J2
1
BOTTOM_HEADER
J3
1
Micro_SD_Card
J4
1
SD_CS
J5
1
TOP_HEADER
J6
1
1S LiPo
J14
1
Buzzer
BZ1
1
MBRA140
D1
4
LED
D2, D3, D4, D5
4
22p
C1, C2, C18, C19
4
10u
C3, C5, C11, C13
4
1u
C4, C6, C7, C8
Show 9 more
QtyPartRefs
1
4.7u
C9
3
100n
C10, C12, C15
1
C
C14
1
6.8n
C16
1
120n
C17
8
10k
R1, R10, R11, R12, R13, R14, R15, R16
2
330
R2, R3
3
470
R4, R5, R6
3
2k
R7, R8, R9

CircularM0 - AvionicsProcessor design files

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

CircularM0 - AvionicsProcessor: common questions

What microcontroller does the CircularM0 - AvionicsProcessor use?

The CircularM0 - AvionicsProcessor is built around the ATSAMD21G18, from the Microchip SAM family.

How big is the CircularM0 - AvionicsProcessor PCB?

The CircularM0 - AvionicsProcessor measures 88.9 × 88.9 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the CircularM0 - AvionicsProcessor?

56 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 CircularM0 - AvionicsProcessor design files?

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

Can I use the CircularM0 - AvionicsProcessor design in my own project?

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

Can I test firmware for the CircularM0 - AvionicsProcessor without the hardware?

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

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