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ESP32-S3 Dev Board

hw-tinkerers·ESP32-S3_Dev_Board

ESP32-S3 Dev Board layout, top view — open source ESP32 board by hw-tinkerers
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About the ESP32-S3 Dev Board

ESP32-S3 Dev Board is an open source ESP32 PCB design by hw-tinkerers, published on GitHub. It is a 4-layer board measuring 123.5 × 56.5 mm, with 146 components from 64 distinct parts.

Its main chip is the ESP32-S3FH4R2, from the ESP32 family. Other key parts include the UMH3N, IP5306, CH340X, LD1117DT33CTR and MAX485ESA+T. By type, the board carries 50 resistors, 39 capacitors, 22 connectors, 13 diodes, 7 ICs and 6 test points.

It belongs with the dev boards & breakouts and usb & debug tools designs in this gallery.

From the project

Our first collaborative open-source project, ESP32-S3 Development board based on Xtensa's latest 32-bit LX7 processor.

The board is capable of operating in multiple modes. 1. With Firmware support (Still in making): 1. CAN bus Decoder 2. RS485 Decoder

2. Standalone Hardware support: 1. RS485 to USB converter 2. USB to UART converter

3. Normal Development baord for ESP32-S3 Development.

The supported platforms are listed below

1. Arduino IDE 2. ESP-IDF 3. Zephyr-RTOS

The guide on getting started on each platform is still in making. Stay tuned for further updates.

ESP32-S3 Dev Board, from the project README
From the project README

Main components on the ESP32-S3 Dev Board

ESP32-S3FH4R2UMH3NIP5306CH340XLD1117DT33CTRMAX485ESA+TATA6561-GAQW-N

ESP32-S3 Dev Board bill of materials (BOM)

146 components, 64 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ESP32-S3FH4R2
U1
1
UMH3N
U2
1
IP5306
U3
1
CH340X
U4
1
LD1117DT33CTR
U5
1
MAX485ESA+T
SP3071EEN-L/TR
U6
1
ATA6561-GAQW-N
U7
1
AH03200003
32.768KHz
X1
1
SX3B40.000F1210F30
40MHz
Y1
1
S2B-PH-SM4-TB(LF)(SN)
JST_Battery
CN1
2
TYPE-C-31-M-12
TYPE-C-31-M12_13
J1, J4
1
A - B
J2
1
H - L
J3
1
EXT_LOAD
J5
1
R4_TX
J6
1
R4_RX
J7
1
TF-012-P9
Micro_SD_Card_Det1
J8
2
Conn_01x06
J9, J14
1
U2RS485_TX
J10
1
CAN_TX
J11
Show 44 more
QtyPartRefs
1
CAN_RX
J12
1
Conn_01x10
J15
1
Conn_01x08
J16
1
U2RS485_RX
J17
1
U2RS485_DE_~{RE}
J18
1
U2U_TX
J19
1
U2U_RX
J20
1
U2U
J21
1
PROG_Default
J22
1
Antenna_Shield
AE1
1
K2-1187SQ-A4SW-06
RESET
SW1
1
K2-1187SQ-A4SW-06
BOOT
SW2
1
K2-1187SQ-A4SW-06
ON/OFF
SW3
1
RS_RX
TP1
1
RS_TX
TP2
1
CAN_TX
TP3
1
CAN_RX
TP4
2
GND
TP5, TP6
1
NCD0603B1
BLUE
D1
2
PRTR5V0U2X
D2, D11
7
NCD0603C1
GREEN
D3, D5, D7, D8, D9, D12, D13
1
PESD2CAN
D4
1
SM712
SM712_C293966
D6
1
PESD2CAN
PESD3V3L5UY,115
D10
2
MLK1005S2N2ST000
2.2nH
L2, L3
1
LQM18PN1R0MFHD
1uH
L4
4
CL31A226KAHNNNE
22uF
C1, C37, C38, C39
9
CL21A106KAYNNNE
10uF
C2, C9, C10, C13, C17, C40, C42, C43 +1
5
CC0603KRX5R8BB105
1uF
C3, C14, C16, C29, C41
12
EMK107B7104KAHT
100nF
C4, C6, C8, C11, C18, C19, C20, C21 +4
2
CC0402BRNPO9BN3R3
3.3pF
C5, C7
4
CC0402GRNPO8BN150
15pF
C12, C15, C31, C32
1
CC0402KRX7R9BB103
10nF
C25
2
CL10A226MO7JZNC
22uF
C28, C36
9
RC0402FR-0710KL
10k
R1, R11, R21, R27, R28, R29, R40, R41 +1
8
RC0402FR-075K1L
5k1
R4, R5, R6, R7, R20, R32, R33, R34
1
RC0402JR-072RL
2E
R9
1
CSR0402FKR500
0.5E
R10
10
RC0603JR-070RL
0E
R12, R13, R14, R15, R16, R17, R22, R23 +2
14
RTT02100JTH
10E
R24, R25, R30, R31, R37, R38, R45, R46 +6
1
RC0402FR-07120RL
120E
R26
1
RC0402FR-0759RL
59E
R35
1
RC0402FR-0759RL
59
R36
4
RC0402FR-07499RL
500
R39, R43, R44, R55

ESP32-S3 Dev Board design files

The KiCad project lives in the hw-tinkerers/ESP32-S3_Dev_Board repository on GitHub; these links point at the commit this page was built from.

ESP32-S3 Dev Board: common questions

What microcontroller does the ESP32-S3 Dev Board use?

The ESP32-S3 Dev Board is built around the ESP32-S3FH4R2, from the ESP32 family.

How big is the ESP32-S3 Dev Board?

The ESP32-S3 Dev Board measures 123.5 × 56.5 mm, has 4 copper layers and is 1.6062 mm thick.

How many components are on the ESP32-S3 Dev Board?

146 components, from 64 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 ESP32-S3 Dev Board design files?

From the hw-tinkerers/ESP32-S3_Dev_Board 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 ESP32-S3 Dev Board design in my own project?

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

Can I test firmware for the ESP32-S3 Dev Board 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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