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XIAO ESP32S3 Plus V1.1 250724

Josephrp·meshtonic·pcb/libs/202004052_XIAO ESP32S3 Plus V1.1_SCH&PCB_260115/XIAO ESP32S3 Plus_V1.1_250724.kicad_pcb

XIAO ESP32S3 Plus V1.1 250724 PCB layout, top view — open source ESP32 board by Josephrp

About the XIAO ESP32S3 Plus V1.1 250724 PCB

XIAO ESP32S3 Plus V1.1 250724 is an open source ESP32 PCB design by Josephrp, published on GitHub under the Custom license license. It is a 6-layer board measuring 17.8 × 21.1 mm, with 70 components from 40 distinct parts.

Its main chip is the PMOS_1.00.60.35MM, from the ESP32 family. Other key parts include the MCU-ESP32-S3, XIAO-HALF-HOLE-23P, SGM6029CYG/TR, SGM40567-4.2XG/TR and PY25Q128HA-DFH-IR. By type, the board carries 28 capacitors, 12 resistors, 8 test points, 5 ICs, 5 inductors and 2 relays.

It belongs with the rf & radio, power & battery and sensors designs in this gallery.

From the project

Meshtonic H4M Companion — ESP32-S3 carrier for PortaPack H4M / Mayhem with multi-slot LoRa and standalone Meshtastic

Meshtonic H4M Companion v2 is a custom carrier board and firmware stack for a Seeed XIAO ESP32-S3 Plus that docks to a HackRF + PortaPack H4M (Mayhem) and can also run as a standalone Meshtastic mesh node.

Repository: github.com/Josephrp/meshtonic (formerly Meteor-On-Mesh)

The two ESP32 firmwares are mutually exclusive — flash one or the other depending on whether you are using the board docked or as a mesh node.

XIAO ESP32S3 Plus V1.1 250724, from the project README
From the project README

Main components on the XIAO ESP32S3 Plus V1.1 250724

MCU-ESP32-S3XIAO-HALF-HOLE-23PSGM6029CYG/TRSGM40567-4.2XG/TRPY25Q128HA-DFH-IR

XIAO ESP32S3 Plus V1.1 250724 bill of materials (BOM)

70 components, 40 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
MCU-ESP32-S3
U1
1
XIAO-HALF-HOLE-23P
U2
1
SGM6029CYG/TR
SGMICRO
U3
1
SGM40567-4.2XG/TR
SGMICRO
U4
1
PY25Q128HA-DFH-IR
Puya
U5
1
PMOS_1.00.60.35MM
Q1
1
40MHz
X1
1
LBF11-G30P-BOR
30pin
LianXingWang
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 20 more
QtyPartRefs
1
470nH
L4
1
LQP03HQ24NH02D
24nH
Murata
L5
3
DNP
C1, C2, C20
4
2.2uF
C3, C9, C13, C16
3
4.7uF
C4, C5, C6
2
CC0201JRNPO8BN120
12pF
YAGEO
C7, C8
4
1uF
C10, C21, C25, C26
8
100nF
C11, C14, C15, C19, C22, C23, C29, C30
1
10nF
C12
1
CC0201CRNPO9BN1R2
1.2pF
YAGEO
C17
1
CC0201CRNPO9BN1R8
1.8pF
YAGEO
C18
1
10pF
C28
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 Plus V1.1 250724 design files

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

XIAO ESP32S3 Plus V1.1 250724: common questions

What microcontroller does the XIAO ESP32S3 Plus V1.1 250724 use?

The XIAO ESP32S3 Plus V1.1 250724 is built around the PMOS_1.00.60.35MM, from the ESP32 family.

How big is the XIAO ESP32S3 Plus V1.1 250724 PCB?

The XIAO ESP32S3 Plus V1.1 250724 measures 17.8 × 21.1 mm, has 6 copper layers and is 1.6 mm thick.

How many components are on the XIAO ESP32S3 Plus V1.1 250724?

70 components, from 40 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 XIAO ESP32S3 Plus V1.1 250724 design files?

From the Josephrp/meshtonic 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 XIAO ESP32S3 Plus V1.1 250724 design in my own project?

It is published under Custom license, which limits how it may be reused; read the license before building on it.

Can I test firmware for the XIAO ESP32S3 Plus V1.1 250724 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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