HardLabs

AvionicsBoard

djmallek·CycloneRocketry·Board3/AvionicsBoard.kicad_pcb

AvionicsBoard PCB layout, top view — open source Microchip SAM board by djmallek
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About the AvionicsBoard PCB

AvionicsBoard is an open source Microchip SAM PCB design by djmallek, published on GitHub. It is a 2-layer board measuring 157.4 × 59 mm, with 70 components from 36 distinct parts.

Its main chip is the ATSAMD21G18, from the Microchip SAM family. Other key parts include the TL1963, MCP73831, MAX-M8, DS3231-SO16 and MPL115A2-LGA. By type, the board carries 21 capacitors, 21 resistors, 12 ICs, 7 connectors, 6 diodes and 1 fuse.

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 AvionicsBoard

TL1963ATSAMD21G18MCP73831MAX-M8DS3231-SO16MPL115A2-LGABNO055RFM95WECS-.327-12.5-17X-TRGT-U7_GPSLM340MP-5.0

AvionicsBoard bill of materials (BOM)

70 components, 36 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
TL1963
U1
1
ATSAMD21G18
U2
1
MCP73831
U3
1
MAX-M8
U4
1
DS3231-SO16
U5
1
MPL115A2-LGA
U6
1
BNO055
U7
1
RFM95W
U8
2
ECS-.327-12.5-17X-TR
U9, U10
1
GT-U7_GPS
U11
1
LM340MP-5.0
U12
1
USB_A
J1
1
Conn_01x02
J2
1
Micro_SD_Card
J6
2
RF IN
J7, J12
1
UART
J11
1
RFD900 Connector
J13
1
7.2V
7.2v IN
1
Fuse
F1
1
I2C
I2C
Show 16 more
QtyPartRefs
1
D_Zener
D1
5
LED
D2, D3, D4, D5, D6
6
1U
C1, C5, C7, C9, C10, C13
4
22p
C2, C3, C18, C19
6
10u
C4, C6, C8, C11, C20, C21
1
1u
C12
1
.1u
C14
1
6.8n
C15
1
120n
C16
1
100n
C17
2
1K
R1, R13
3
2.2k
R2, R3, R4
2
100K
R5, R6
6
10K
R7, R8, R9, R10, R11, R12
5
0
R14, R15, R16, R17, R18
3
1K
R19, R20, R21

AvionicsBoard design files

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

AvionicsBoard: common questions

What microcontroller does the AvionicsBoard use?

The AvionicsBoard is built around the ATSAMD21G18, from the Microchip SAM family.

How big is the AvionicsBoard PCB?

The AvionicsBoard measures 157.4 × 59 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the AvionicsBoard?

70 components, from 36 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 AvionicsBoard 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 AvionicsBoard 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 AvionicsBoard 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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