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ESP32-S3 GDEM102T91 Mainboard

ggkk0818·epdf-hardware·esp32-board-v1.1/esp32-board-v1.1.kicad_pcb

ESP32-S3 GDEM102T91 Mainboard PCB layout, top view — open source ESP32 board by ggkk0818
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About the ESP32-S3 GDEM102T91 Mainboard PCB

ESP32-S3 GDEM102T91 Mainboard is an open source ESP32 PCB design by ggkk0818, published on GitHub under the MIT license. It is a 4-layer board measuring 55 × 84 mm, with 106 components from 44 distinct parts.

Its main chip is the ESP32-S3-WROOM-1-N16R8, from the ESP32 family. Other key parts include the BQ25895RTWT, TPS63070RNMT, MAX17048G+T10, TUSB320LIRWBR and TPS22918. By type, the board carries 38 capacitors, 36 resistors, 8 diodes, 6 ICs, 5 connectors and 5 switches.

Main components on the ESP32-S3 GDEM102T91 Mainboard

ESP32-S3-WROOM-1-N16R8BQ25895RTWTTPS63070RNMTMAX17048G+T10TUSB320LIRWBRTPS22918

ESP32-S3 GDEM102T91 Mainboard bill of materials (BOM)

106 components, 44 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ESP32-S3-WROOM-1-N16R8
ESP32-S3-WROOM-1_EPDF
U1
1
BQ25895RTWT
Texas_RTW_WQFN-24-1EP_4x4mm_P0.5mm_EP2.7x2.7mm_ThermalVias
U2
1
TPS63070RNMT
RNM0015A
U3
1
MAX17048G+T10
TDFN-8-1EP_2x2mm_P0.5mm_EP0.8x1.2mm
U4
1
TUSB320LIRWBR
Texas_X2QFN-12_1.6x1.6mm_P0.4mm
U5
1
TPS22918
SOT-23-6
U6
1
Si1304BDL-T1-GE3
SOT-323_SC-70
Q1
1
GCT USB4105-15-A-120
USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_Horizontal
J1
1
XKB X05B20U24T
X05B20U24T
J2
1
Hirose DM3AT-SF-PEJM5
microSD_DM3AT-SF-PEJM5_EPDF
J3
2
Molex 53261-0271
Molex_PicoBlade_53261-0271_1x02-1MP_P1.25mm_Horizontal
J4, J5
3
BSMD0805L-200（华秋 G5053245）
Fuse_0805_2012Metric
F1, F2, F3
1
Vishay NTCS0603E3103FLT
R_0603_1608Metric
NTC1
5
Omron B3U-1000P
SW_SPST_B3U-1000P
SW1, SW2, SW3, SW4, SW5
1
PESD5V0S1BA,115（华秋 G0089294）
D_SOD-323
D1
2
GBLC05C（华秋 G5954860）
D_SOD-323
D2, D3
2
LESD3Z5.0CMT1G（华秋 G4193578）
D_SOD-323
D4, D5
3
MBR0530T1G（华秋 G3325533）
D_SOD-123
D6, D7, D8
1
Sunlord MWSA0503S-1R0MT（华秋 G4719678）
L_Coilcraft_XAL5030-XXX
L1
1
Sunlord MWSA0402S-1R2MT
L_Sunlord_MWSA0402S
L2
Show 24 more
QtyPartRefs
1
cjiang FHD4020S-470MT（华秋 G6635066）
L_Taiyo-Yuden_NR-40xx
L3
6
TCC0805X5R226K250FT（华秋 G14559843）
C_0805_2012Metric
C1, C13, C14, C21, C22, C23
8
CL21A106KAYNNNE（华秋 G0022684）
C_0805_2012Metric
C2, C12, C15, C18, C19, C20, C25, C37
4
1UF
C_0603_1608Metric
C3, C5, C6, C9
5
0.1UF
C_0603_1608Metric
C4, C8, C17, C26, C38
1
1NF
C_0603_1608Metric
C7
1
4.7UF/10V
C_0805_2012Metric
C10
1
47NF
C_0603_1608Metric
C11
1
470PF
C_0603_1608Metric
C16
1
100NF
C_0603_1608Metric
C24
7
CL21A475KAQNNNG（华秋 G0936665）
C_0805_2012Metric
C27, C28, C29, C30, C31, C32, C33
2
CL10B105KA8NNNC（华秋 G0021698）
C_0603_1608Metric
C34, C35
1
0805B105K250AT（华秋 G4185910）
C_0805_2012Metric
C36
15
10K
R_0603_1608Metric
R1, R2, R3, R4, R5, R12, R14, R15 +7
2
4.7K
R_0603_1608Metric
R6, R7
7
R_0603_1608Metric
R8, R9, R10, R30, R33, R34, R35
1
900K
R_0603_1608Metric
R11
1
0603WAF1800T5E（华秋 G3705022）
R_0603_1608Metric
R13
1
0603WAF5231T5E（华秋 G3705144）
R_0603_1608Metric
R16
1
RC0603DR-0730K1L（华秋 G4243913）
R_0603_1608Metric
R17
4
100K
R_0603_1608Metric
R19, R27, R28, R29
2
2.2
R_0805_2012Metric
R21, R31
1
0603WAF4703T5E（华秋 G0064373）
R_0603_1608Metric
R23
1
RC0603FR-07150KL（华秋 G0072618）
R_0603_1608Metric
R24

ESP32-S3 GDEM102T91 Mainboard design files

The KiCad project lives in the ggkk0818/epdf-hardware repository on GitHub; these links point at the commit this page was built from.

ESP32-S3 GDEM102T91 Mainboard: common questions

What microcontroller does the ESP32-S3 GDEM102T91 Mainboard use?

The ESP32-S3 GDEM102T91 Mainboard is built around the ESP32-S3-WROOM-1-N16R8, from the ESP32 family.

How big is the ESP32-S3 GDEM102T91 Mainboard PCB?

The ESP32-S3 GDEM102T91 Mainboard measures 55 × 84 mm, has 4 copper layers and is 1.2 mm thick.

How many components are on the ESP32-S3 GDEM102T91 Mainboard?

106 components, from 44 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 GDEM102T91 Mainboard design files?

From the ggkk0818/epdf-hardware 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 GDEM102T91 Mainboard design in my own project?

Yes, under the terms of its MIT license, which ggkk0818 chose for the repository.

Can I test firmware for the ESP32-S3 GDEM102T91 Mainboard 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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