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WearablePocketometer

kwan3217·kicad·WearablePocketometer/WearablePocketometer.kicad_pcb

WearablePocketometer PCB layout, top view — open source NXP board by kwan3217
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About the WearablePocketometer PCB

WearablePocketometer is an open source NXP PCB design by kwan3217, published on GitHub under the GPL-2.0 license. It is a 2-layer board measuring 66 × 38.1 mm, with 81 components from 23 distinct parts.

Its main chip is the Teensy4.1, from the NXP family. Other key parts include the AK09970, LSM6DSO, BME280, NEO_M8U and MIC5319 3.3V. By type, the board carries 22 capacitors, 22 resistors, 16 ICs, 9 connectors, 3 diodes and 1 crystal.

It belongs with the wearables and sensors designs in this gallery.

From the project

KiCad versions of my circuits

Many of my boards have the Open Source Hardware logo on them. Using this logo requires having an open source license and publishing the source. In order to support this, I have the URL of this repository engraved onto the boards themselves.

I have made a release for the Wearable Pocketometer boards, and intend to make a release each time I have a board made.

All boards which have been released since September 2020 have enough information to construct a bill of materials. This is in the form of Digikey part numbers attached to each part in the KiCad .sch files.

Main components on the WearablePocketometer

AK09970Teensy4.1LSM6DSOBME280NEO_M8UMIC5319 3.3VUSBLC6-2SC6

WearablePocketometer bill of materials (BOM)

81 components, 23 distinct parts.

QtyPartRefs
3
AK09970
U101, U501, U1301
1
Teensy4.1
U102
6
LSM6DSO
U201, U301, U601, U801, U1401, U1601
3
BME280
U401, U701, U1501
1
NEO_M8U
U901
1
MIC5319 3.3V
U1001
1
USBLC6-2SC6
U1201
1
W3011
Y901
4
STANDOFF
J101, J102, J103, J104
5
USB_C_Receptacle
J1101, J1201, J1701, J1801, J1901
1
ML414H
B901
4
KwanSystems
G102, G103, G502, G1302
3
Axis
G105, G504, G1304
2
RED
D501, D1301
1
0.5A/40V/420mV
D901
19
100nF
C201, C202, C301, C302, C401, C402, C601, C602 +11
2
1uF
C901, C1001
1
2.2uF
C1003
8
1k
R101, R102, R103, R104, R105, R106, R501, R1301
4
27
R901, R902, R905, R906
Show 3 more
QtyPartRefs
1
100k
R903
1
33
R904
8
5.1k
R1101, R1102, R1201, R1202, R1701, R1702, R1901, R1902

WearablePocketometer design files

The KiCad project lives in the kwan3217/kicad repository on GitHub; these links point at the commit this page was built from.

WearablePocketometer: common questions

What microcontroller does the WearablePocketometer use?

The WearablePocketometer is built around the Teensy4.1, from the NXP family.

How big is the WearablePocketometer PCB?

The WearablePocketometer measures 66 × 38.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the WearablePocketometer?

81 components, from 23 distinct parts. The full bill of materials is listed on this page.

Where can I download the WearablePocketometer design files?

From the kwan3217/kicad repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the WearablePocketometer design in my own project?

Yes, under the terms of its GPL-2.0 license, which kwan3217 chose for the repository.

Can I test firmware for the WearablePocketometer without the hardware?

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

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