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XIAO ESP32S3 V1.5

ppisljar·freeesp32_audioplayer·main_board/datasheets/xiao_v14/202003753_XIAO ESP32S3 Sense_v1.5_SCH&PCB_260226/XIAO ESP32S3_V1.5.kicad_pcb

XIAO ESP32S3 V1.5 PCB layout, top view — open source ESP32 board by ppisljar

About the XIAO ESP32S3 V1.5 PCB

XIAO ESP32S3 V1.5 is an open source ESP32 PCB design by ppisljar, published on GitHub. It is a 4-layer board measuring 17.8 × 21.1 mm, with 70 components from 38 distinct parts.

Its main chip is the LP0404N3T5G, from the ESP32 family. Other key parts include the ESP32-S3R8, SGM6029CYG/TR, SGM40567-4.2XG/TR, GD25Q64ENIGR and XIAO-Add-On. By type, the board carries 28 capacitors, 12 resistors, 8 test points, 5 ICs, 5 inductors and 2 relays.

It belongs with the audio, iot & wireless and displays & leds designs in this gallery.

From the project

ESP32 Audio Player main board (KiCad, XIAO ESP32-S3)

Open-source ESP32 audio playback board designed primarily as the hardware platform for freeesp32ave`** — audio-visual entrainment (AVE) firmware.

This repository contains the full KiCad project: schematic, PCB layout, design rules, 3D models, datasheets, and helper scripts.

KiCad 3D renders. Top: TRRS headphone jack, USB-C, microSD slot, XIAO ESP32-S3 module, LED/expansion pin headers. Bottom: speaker amplifier (APA2068), bulk capacitors, level-shifting resistors.

XIAO ESP32S3 V1.5, from the project README
From the project README

Main components on the XIAO ESP32S3 V1.5

ESP32-S3R8SGM6029CYG/TRSGM40567-4.2XG/TRGD25Q64ENIGRXIAO-Add-On

XIAO ESP32S3 V1.5 bill of materials (BOM)

70 components, 38 distinct parts.

QtyPartRefs
1
ESP32-S3R8
U1
1
SGM6029CYG/TR
U3
1
SGM40567-4.2XG/TR
U4
1
GD25Q64ENIGR
U5
1
XIAO-Add-On
U9
1
LP0404N3T5G
Q1
1
40MHz/306011364
X1
1
DF40C-30DP-0.4V(51)
J3
1
U.FL-R-SMT-1
ANT1
1
VBAT
BAT0
1
GND
GND0
2
SKTAAAE010/311021459
K1, K2
8
TEST-POINT'4545'
TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8
1
UBF31-0171
USB0
1
RED
CHG0
1
LMBR4010BST5G
D2
1
Yellow
D3
1
2nH
L1
1
3.3nH
L2
1
DNP
L3
Show 18 more
QtyPartRefs
1
470nH
L4
1
24nH
L5
4
DNP
C1, C2, C17, C20
4
2.2uF
C3, C9, C13, C16
3
4.7uF
C4, C5, C6
3
10pF
C7, C8, C28
4
1uF
C10, C21, C25, C26
8
100nF
C11, C14, C15, C19, C22, C23, C29, C30
1
10nF
C12
1
1pF
C18
2
5.1K
R1, R2
2
22R
R3, R4
1
499R
R6
3
10K
R7, R8, R11
1
100K
R9
1
220K
R10
1
249K
R13
1
1.5K
R15

XIAO ESP32S3 V1.5 design files

The KiCad project lives in the ppisljar/freeesp32_audioplayer repository on GitHub; these links point at the commit this page was built from.

XIAO ESP32S3 V1.5: common questions

What microcontroller does the XIAO ESP32S3 V1.5 use?

The XIAO ESP32S3 V1.5 is built around the LP0404N3T5G, from the ESP32 family.

How big is the XIAO ESP32S3 V1.5 PCB?

The XIAO ESP32S3 V1.5 measures 17.8 × 21.1 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the XIAO ESP32S3 V1.5?

70 components, from 38 distinct parts. The full bill of materials is listed on this page.

Where can I download the XIAO ESP32S3 V1.5 design files?

From the ppisljar/freeesp32_audioplayer repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the XIAO ESP32S3 V1.5 design in my own project?

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

Can I test firmware for the XIAO ESP32S3 V1.5 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.

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