HardLabs

GroundStudio Carbon S2

GroundStudio·GroundStudio_Carbon_S2·Hardware/REV0.0.2 - Kicad6/REV0.0.2 UIECRE_GS CARBON S2.kicad_pcb

GroundStudio Carbon S2 PCB layout, top view — open source ESP32 board by GroundStudio

About the GroundStudio Carbon S2 PCB

GroundStudio Carbon S2 is an open source ESP32 PCB design by GroundStudio, published on GitHub. It is a 4-layer board measuring 37 × 18 mm, with 57 components from 37 distinct parts.

Its main chip is the ESP32-S2FN4R2, from the ESP32 family. Other key parts include the BRCL4054CME. By type, the board carries 21 capacitors, 16 resistors, 4 crystals, 2 ICs, 2 connectors and 2 switches.

It belongs with the power & battery and iot & wireless designs in this gallery.

From the project

GroundStudio Carbon S2

GroundStudio Carbon S2 ==================================== [](https://ardushop.ro/ro/home/2063-placa-de-dezvoltare-carbon-s2.html)

Explore all the GroundStudio products at GroundStudio.ro

Description ------------------- Features highly integrated ESP32-S2 with 2.4 GHz WiFi, 4MB Flash, 320kB SRAM, 128kB ROM, 18 GPIO, 10 ADC, 8 touch sensitive pins, 2 UART, I²C 3V3 adapter, RGB smart LED and 1 cell LiPo/LiIon battery charger with optional battery connector.

GroundStudio Carbon S2, from the project README
From the project README

Main components on the GroundStudio Carbon S2

BRCL4054CMEESP32-S2FN4R2

GroundStudio Carbon S2 bill of materials (BOM)

57 components, 37 distinct parts.

QtyPartRefs
1
BRCL4054CME
SOT23-5 BRCL4054CME
IC1
1
ESP32-S2FN4R2
QFN-56-1EP_7x7mm ESP32-S2FN4R2
U1
1
SOT-883 LP0404N3T5G
Q1
1
SH__1x04_Vertical C145961
X1
1
C47647
PH__1x02_P2.00mm_Horizontal C47647
X2
1
JF4040M00012T8188078
Crystal_SMD_3225-4P JF4040M
Y1
1
DNP Crystal_32.768kHz_SMD
Y2
1
PinHeader_1x12_P2.54_V_M A2541WV-12P
J3
1
A2541WV-12P
PinHeader_1x12_P2.54_V_M A2541WV-12P
J4
1
SOD-123 B0520LW
CR1
1
FBP1-1-4_ME6211C33U4AG-N
REG1
2
TS342A2P-WZ
SW1, SW2
1
SOT-723 DTA143ZMT2L
T1
1
USB_C 918-418K2023S40001
USB1
1
SK6805-EC15 DY-S1515065
LED1
1
LED_0402_RED
LED2
1
SOD-123 B0520LW
D1
1
TZ-P2-0402GTIA1-0.45T
LED_0402_GREEN
D2
1
LQG15HN2N0S02D
L_0402_2nH_900mA
L1
6
C_0402_1uF_10V
C1, C4, C8, C9, C11, C14
Show 17 more
QtyPartRefs
1
0402CG101J500NT
C_0402_100pF_50V
C2
7
C_0402_100nF_16V
C3, C7, C12, C13, C17, C18, C21
2
0402N120J500CT
C_0402_12pF_50V
C5, C6
2
C_0402_10uF_10V
C10, C16
1
FS15B105K100PKG
C_0402_1uF_10V
C15
2
DNP C_0402_alt
C19, C20
2
RC-02W3301FT
R_0402_3.3k
R1, R16
1
R_0402_442k
R2
1
R_0402_820k
R3
2
R_0402_5.1k
R4, R5
2
R_0402_2k
R6, R8
1
R_0402_160k
R7
1
R_0402_20k
R9
1
WR04X2002FTL
R_0402_20k
R10
2
R_0402_100k
R11, R15
2
R_0402_3.3k
R12, R13
1
R_0402_10k
R14

GroundStudio Carbon S2 design files

The KiCad project lives in the GroundStudio/GroundStudio_Carbon_S2 repository on GitHub; these links point at the commit this page was built from.

GroundStudio Carbon S2: common questions

What microcontroller does the GroundStudio Carbon S2 use?

The GroundStudio Carbon S2 is built around the ESP32-S2FN4R2, from the ESP32 family.

How big is the GroundStudio Carbon S2 PCB?

The GroundStudio Carbon S2 measures 37 × 18 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the GroundStudio Carbon S2?

57 components, from 37 distinct parts. The full bill of materials is listed on this page.

Where can I download the GroundStudio Carbon S2 design files?

From the GroundStudio/GroundStudio_Carbon_S2 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the GroundStudio Carbon S2 design in my own project?

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

Can I test firmware for the GroundStudio Carbon S2 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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