BLM18PG471SN1D

L1

1

FERRITE CHIP 470 OHM 1000MA 0603

CC0603KRX5R5BB475

C39, C19, C8, C36, C38, C37

6

SURFACE-MOUNT CERAMIC MULTILAYER CAPACITOR

TD-26EA

SW3, SW4, SW1, SW2

4

Tact Switch

CC0402KRX5R6BB105

C7, C43, C26, C41

4

Surface-Mount Multilayer Ceramic Capacitors

LTC1754ES6-5#TRMPBF

U4

1

Voltage Regulator

CRCW040210K0FKED

R10, R5, R6, R12, R19, R14, R16, R17, R15, R13

10

10k 1% 0402 0.063W Resistor

47346-0001

P8

1

MICRO USB, 2.0 TYPE B, RECETPACLE, SMT

CC0402KRX7R7BB104

C4, C3, C27, C18, C35, C5, C42, C29, C28

9

Surface-Mount Ceramic Multilayer Capacitor

SMT Test Point

TP5, TP23, TP21, TP29, TP19, TP8, TP1, TP20, TP11, TP26, TP25, TP14, TP12, TP4, TP24, TP13, TP7, TP3, TP10, TP9, TP18, TP22, TP17, TP6, TP16, TP27, TP30, TP2, TP28, TP15

30

Very small and round single pin test point

04025U120GAT2A

C9, C15, C14, C10

4

12 pF Capacitor 2% 0402

06036D106MAT2A

C24, C25

2

General Purpose Dielectric Ceramic Capacitor

TPS78230DRVT

U8

1

LQW15AN15NG00D

L2

1

15 nH Inductor 2% 0402

FH12-10S-0.5SH(55)

J1

1

CONN FFC BOTTOM 10POS 0.50MM R/A

7M-32.000MAHE-T

Y1

1

Crystal Oscillator 32MHz, 12pF +-30ppm

IRLML6402TRPBF

Q2

1

HEXFET Power MOSFET

MC000335

C13, C12

2

0.8 pF Capacitor +-0.1pF NP0 0402

CC0402KRX7R9BB103

C30

1

Surface-mount Ceramic Multilayer Capacitors

2450AT18B100

ANT1

1

Chip Antenna

CC0402KRX7R9BB101

C6

1

100pF Capacitor

PE-0402CH3N3STT

L5

1

3.3 nH Super Frequency Ceramic RF Chip Inductor

W25Q256FVEIF

U3

1

3V 256 M - BIT Serial Flash Memory With DUAL / QUAD SPI & QPI

2N7002

Q1

1

N-Channel Enhancement Mode Field Effect Transistor

MPU-9250

U6

1

9-Axis Gyro Accel and Magn

LTC2941CDCB-1#TRMPBF

U5

1

Standard

ABS07-32.768KHZ-T

Y2

1

32.768kHz crystal 12.5pF

MAX1555EZK-T

U12

1

SOT23 Dual-Input USB/AC Adapter 1-Cell Li+ Battery Chargers

Solder Pad

?228, B-, B+, ?229

4

No description

nRF52832

U1

1

nRF52832 is an ultra-low power 2.4 GHz wireless System on Chip (SoC) integrating the nRF52 Series 2.4 GHz transceiver and an ARM Cortex™-M4 CPU with flash memory.

1PS79SB30

D2, D1

2

??

M1

1

TPS78230DRVT

U9

1

150-mA, Ultra-Low Quiescent Current Low-Dropout Linear Regulator

MAX809TEUR+T

U10

1

3-Pin Microprocessor Reset Circuit