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N42a7c p

hatanoh·n40a8-pcb·n42a7c/n42a7c_p.kicad_pcb

N42a7c p PCB layout, top view — open source Nordic nRF board by hatanoh

About the N42a7c p PCB

N42a7c p is an open source Nordic nRF PCB design by hatanoh, published on GitHub under the MIT license. It is a 2-layer board measuring 265.5 × 103.7 mm, with 106 components from 13 distinct parts.

Its main chip is the XIAO-nRF52840-SMD, from the Nordic nRF family. By type, the board carries 42 switches, 42 diodes, 1 IC, 1 connector and 1 test point.

Main components on the N42a7c p

XIAO-nRF52840-SMD

N42a7c p bill of materials (BOM)

106 components, 13 distinct parts.

QtyPartRefs
1
XIAO-nRF52840-SMD
U1
1
S2B-PH-K
J4
16
1N4148W
DI1, DI2, DI3, DI4, DI5, DI6, DI7, DI8 +8
2
CPG151101S11-16
SW1, SW12
28
CPG151101S11-16
SW2, SW3, SW4, SW5, SW6, SW7, SW8, SW9 +20
2
CPG151101S11-16
SW13, SW34
3
CPG151101S11-16
SW23, SW24, SW39
6
CPG151101S11-16
SW35, SW36, SW37, SW40, SW41, SW42
1
CPG151101S11-16
SW38
2
SKTDLDE010
SW_D1, SW_D2
1
SSSS811101
SW_PWR1
1
Conn_01x09
TP1
42
1N4148W
D1, D2, D3, D4, D5, D6, D7, D8 +34

N42a7c p design files

The KiCad project lives in the hatanoh/n40a8-pcb repository on GitHub; these links point at the commit this page was built from.

N42a7c p: common questions

What microcontroller does the N42a7c p use?

The N42a7c p is built around the XIAO-nRF52840-SMD, from the Nordic nRF family.

How big is the N42a7c p PCB?

The N42a7c p measures 265.5 × 103.7 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the N42a7c p?

106 components, from 13 distinct parts. The full bill of materials is listed on this page.

Where can I download the N42a7c p design files?

From the hatanoh/n40a8-pcb repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the N42a7c p design in my own project?

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

Can I test firmware for the N42a7c p 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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