HardLabs

Empyrean

etherkit·Empyrean·pcb/Empyrean.kicad_pcb

Empyrean PCB layout, top view — open source Microchip SAM board by etherkit
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About the Empyrean PCB

Empyrean is an open source Microchip SAM PCB design by etherkit, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 18.3 × 45.6 mm, with 40 components from 27 distinct parts.

Its main chip is the ATSAMD21GXA, from the Microchip SAM family. Other key parts include the LP2985. By type, the board carries 12 capacitors, 8 resistors, 5 connectors, 4 diodes, 2 ICs and 2 jumpers.

From the project

Empyrean Alpha/Beta Arduino-compatible Microcontrollers

1. Open the Arduino IDE and then navigate to the Preferences screen by selecting the menu, and then . Click the small button to the right of the text box labeled , and then paste the following URL into the windows which pops up: https://github.com/etherkit/ArduinoBoards/raw/master/packageetherkitindex.json Click OK to close this window, and then OK to close the Preferences. 2. Navigate to the Arduino Boards Manager in the IDE by selecting the menu, then , and then . In the search box in the upper right of the Boards Manager windows, type . 3. In the search results list below, find the entry…

Main components on the Empyrean

LP2985ATSAMD21GXA

Empyrean bill of materials (BOM)

40 components, 27 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
LP2985
U1
1
ATSAMD21GXA
ATSAMD21GxA
U2
1
DMG1012UW-7
DMG1012T-7
Q1
1
ECS-.327-12.5-34B
ECS-.327-12.5-34B-TR
X1
1
FCI 10118194-0001LF
J1
1
Harwin M50-3500542
J2
1
SPI
J3
2
CONN_01X15
J4, J5
1
Bel 0ZCH0050FF2G
F1
1
VUSB Disable
JP1
1
Power LED Enable
JP2
1
Alps SKQMASE010
S1
2
CG0603MLC-05E
VR1, VR2
1
Red
D1
1
Yellow
D2
1
Blue
D3
1
Green
D4
1
10U
10u
L1
1
4.7N
4.7n
C1
2
10U
10u
C2, C7
Show 7 more
QtyPartRefs
2
1u
C3, C9
2
15
C4, C5
5
100N
100n
C6, C8, C10, C11, C12
4
330
R1, R3, R4, R6
1
1M
R2
2
100K
330
R5, R8
1
100K
10k
R7

Empyrean design files

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

Empyrean: common questions

What microcontroller does the Empyrean use?

The Empyrean is built around the ATSAMD21GXA, from the Microchip SAM family.

How big is the Empyrean PCB?

The Empyrean measures 18.3 × 45.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Empyrean?

40 components, from 27 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 Empyrean design files?

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

Can I use the Empyrean design in my own project?

Yes, under the terms of its GPL-3.0 license, which etherkit chose for the repository.

Can I test firmware for the Empyrean 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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