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NRF52840-microstamp

cheyao·nRF52840-microstamp·hardware/nrf52840-microstamp.kicad_pcb

NRF52840-microstamp PCB layout, top view — open source Nordic nRF board by cheyao
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About the NRF52840-microstamp PCB

NRF52840-microstamp is an open source Nordic nRF PCB design by cheyao, published on GitHub. It is a 4-layer board measuring 37 × 25 mm, with 45 components from 29 distinct parts.

Its main chip is the NRF52840, from the Nordic nRF family. Other key parts include the TP4057, RT9013 and TPD2EUSB30A. By type, the board carries 22 capacitors, 6 resistors, 5 inductors, 4 ICs, 2 crystals and 2 diodes.

It belongs with the iot & wireless, power & battery and dev boards & breakouts designs in this gallery.

From the project

nRF52840 Stamp for easy low powered bluetooth applications

nRF52840 devboard in a stamp format with castellated holes and easy breakout. It maintains a tiny footprint and a easy to use form. With an integrated ldo and battery charger, it is perfect for low power applications

Features: - Small stamp of 37x25mm - nRF52840 - Integrated battery charger - Nice look - EMC controlled - Onboard antenna

NRF52840-microstamp, from the project README
From the project README

Main components on the NRF52840-microstamp

NRF52840TP4057RT9013TPD2EUSB30A

NRF52840-microstamp bill of materials (BOM)

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

QtyPartRefs
1
NRF52840
nRF52840
U1
1
TP4057
U2
1
RT9013
U3
1
TPD2EUSB30A
U4
1
AO3401A
Q1
1
C2682773
32MHz 12pF
Y1
1
C32346
32.768kHz 12.5pF
Y2
1
USB_C_RECEPTACLE_USB2.0_14P
USB_C_Receptacle_USB2.0_14P
J1
1
C127629
Antenna_Chip
AE1
1
C46640991
Fuse
F1
1
LED
D2
1
BAT60A
D3
1
4.7NH
4.7nH
L1
2
10UH
10uH
L2, L4
1
15NH
15nH
L3
1
6.8NH
6.8nH
L5
4
15PF
15pF
C1, C2, C3, C4
1
0.8PF
0.8pF
C5
1
0.5PF
0.5pF
C6
1
4.7UF
4.7uF
C7
Show 9 more
QtyPartRefs
4
100NF
100nF
C8, C18, C19, C20
1
100PF
100pF
C9
1
820PF
820pF
C10
4
1UF
1uF
C11, C17, C21, C22
1
47NF
47nF
C12
4
4.7UF
4.7uF
C13, C14, C15, C16
2
5.1K
5.1k
R1, R2
3
1.5K
1.5k
R3, R4, R5
1
10M
R6

NRF52840-microstamp design files

The KiCad project lives in the cheyao/nRF52840-microstamp repository on GitHub; these links point at the commit this page was built from.

NRF52840-microstamp: common questions

What microcontroller does the NRF52840-microstamp use?

The NRF52840-microstamp is built around the NRF52840, from the Nordic nRF family.

How big is the NRF52840-microstamp PCB?

The NRF52840-microstamp measures 37 × 25 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the NRF52840-microstamp?

45 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 NRF52840-microstamp design files?

From the cheyao/nRF52840-microstamp repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the NRF52840-microstamp design in my own project?

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

Can I test firmware for the NRF52840-microstamp 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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