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Nwpi

elektricM·nwpi-pcb

Nwpi PCB layout, top view — open source board by elektricM
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About the Nwpi PCB

Nwpi is an open source PCB design by elektricM, published on GitHub under the CERN-OHL-S-2.0 license. It is a 2-layer board measuring 20.5 × 19 mm, with 18 components from 17 distinct parts.

Other key parts include the TP4056 and SX1308. By type, the board carries 6 connectors, 4 capacitors, 4 resistors, 2 ICs, 1 diode and 1 inductor.

It belongs with the power & battery designs in this gallery.

From the project

NWPi custom PCB - Power module for Raspberry Pi Zero inside NumWorks calculator

Power module PCB for running a Raspberry Pi Zero inside a NumWorks calculator.

Nwpi, from the project README
From the project README

Main components on the Nwpi

TP4056SX1308

Nwpi bill of materials (BOM)

18 components, 17 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
TP4056
U1
1
SX1308
U2
1
VUSB
J1
1
GND
J2
1
VBAT
J3
1
5V_PI
J4
1
PI_EN
J5
1
CHG_STAT
J6
1
SS34_C8678
D1
1
SMNR4020-4R7MT
L1
1
10U
10u
C1
1
22U
22u
C2
2
4.7U
4.7u
C3, C4
1
2k
R1
1
30K
30k
R2
1
220K
220k
R3
1
10K
10k
R4

Nwpi design files

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

Nwpi: common questions

How big is the Nwpi PCB?

The Nwpi measures 20.5 × 19 mm, has 2 copper layers and is 1 mm thick.

How many components are on the Nwpi?

18 components, from 17 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 Nwpi design files?

From the elektricM/nwpi-pcb 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 Nwpi design in my own project?

Yes, under the terms of its CERN-OHL-S-2.0 license, which elektricM chose for the repository.

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