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Early export

Avinash1286·pendent·hardware/output/attempts/early-export.kicad_pcb

Early export PCB layout, top view — open source Nordic nRF board by Avinash1286
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About the Early export PCB

Early export is an open source Nordic nRF PCB design by Avinash1286, published on GitHub under the MIT license. It is a 4-layer board measuring 24 × 34 mm, with 59 components from 33 distinct parts.

Its main chip is the MDBT50Q-1MV2, from the Nordic nRF family. Other key parts include the W25N01GVZEIG, BQ25185DLHR, TLV75530PDBVR, MAX17048G+T10 and DRV2605LDGSR. By type, the board carries 21 resistors, 18 capacitors, 8 ICs, 4 connectors, 3 switches and 2 microphones.

It belongs with the wearables designs in this gallery.

From the project

AURA: open wearable note-taking device development — PCB, printable case, firmware, Next.js/Convex notes, interactive 3D site and launch film.

These files are retained to make the engineering history reproducible. None is a manufacturing release or a valid final A03 routed board.

- krt-failed and the routing-attempt Circuit JSON contain a failed KRT run: zero copper and 199 disconnected-port findings. They must not be treated as a routed PCB. - pre-a03/aura-a02-route.ses contains 372 wire paths and 82 vias, with 24 connections remaining in that router run. It predates the corrected 8 × 6 mm NAND footprint and the A03 board/thermal design. It is not compatible with the current board. - pre-a03/aura-a02-routing-draft.kicadpcb was a…

Main components on the Early export

MDBT50Q-1MV2W25N01GVZEIGBQ25185DLHRTLV75530PDBVRMAX17048G+T10DRV2605LDGSRSN74LVC2G125DCUR

Early export bill of materials (BOM)

59 components, 33 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
MDBT50Q-1MV2
U1
1
W25N01GVZEIG
U2
1
BQ25185DLHR
U3
2
TLV75530PDBVR
U4, U7
1
MAX17048G+T10
U5
1
DRV2605LDGSR
U6
1
SN74LVC2G125DCUR
U8
1
AURA-DOCK-PADS
J1
1
AURA-BATTERY-PADS
J2
1
AURA-SWD-PADS
J3
1
AURA-LRA-PADS
J4
2
SPH0641LU4H-1
MK1, MK2
1
JS202011JCQN
SW1
1
KMR211NGULCLFS
KMR221GLFS
SW2
1
KMR221GLFS
SW3
1
LTST-C190KFKT
LED1
1
BAT54WS-7-F
D1
1
PESD5V0S1BA,115
D2
5
C0402C104K4RACTU
GENERIC-X7R-10V
C1, C5, C11, C16, C18
3
C0603C475K8PACTU
GENERIC-X7R-10V
C2, C6, C8
Show 13 more
QtyPartRefs
2
939113424610-T3N
GENERIC-X7R-10V
C3, C4
2
C0603C225K8RACTU
GENERIC-X7R-10V
C7, C10
1
C0805C106K8PACTU
GENERIC-X7R-10V
C9
4
C0603C105K4RACTU
GENERIC-X7R-10V
C12, C13, C14, C15
1
C0402C103K5RACTU
GENERIC-X7R-10V
C17
1
RC0402FR-075K62L
TBD-0402-1PCT
R1
1
RC0402FR-0724KL
TBD-0402-1PCT
R2
9
RC0402FR-0710KL
TBD-0402-1PCT
R3, R4, R5, R11, R13, R18, R19, R20 +1
2
RC0402FR-074K7L
TBD-0402-1PCT
R6, R7
4
RC0402FR-07100KL
TBD-0402-1PCT
R8, R9, R10, R15
1
TBD-0402-1PCT
R12
1
RC0402FR-071KL
TBD-0402-1PCT
R14
2
RC0402FR-0733RL
TBD-0402-1PCT
R16, R17

Early export design files

The KiCad project lives in the Avinash1286/pendent repository on GitHub; these links point at the commit this page was built from.

Early export: common questions

What microcontroller does the Early export use?

The Early export is built around the MDBT50Q-1MV2, from the Nordic nRF family.

How big is the Early export PCB?

The Early export measures 24 × 34 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Early export?

59 components, from 33 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 Early export design files?

From the Avinash1286/pendent repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Early export design in my own project?

Yes, under the terms of its MIT license, which Avinash1286 chose for the repository.

Can I test firmware for the Early export without the hardware?

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

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