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ESP32 based dev board

harris8099·Kicad-projects·ESP32_based_dev_board/ESP32_based_dev_board.kicad_pcb

ESP32 based dev board layout, top view — open source ESP32 board by harris8099
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About the ESP32 based dev board

ESP32 based dev board is an open source ESP32 PCB design by harris8099, published on GitHub. It is a 4-layer board measuring 84.5 × 54.8 mm, with 85 components from 42 distinct parts.

Its main chip is the ESP32-C3-WROOM-02-H4, from the ESP32 family. Other key parts include the MCP73871-2CAI_ML, BME280, CP2102N-AXX-XQFN20, USBLC6-2SC6 and W25QXX. By type, the board carries 33 resistors, 25 capacitors, 7 ICs, 6 LEDs, 5 connectors and 3 transistors.

It belongs with the dev boards & breakouts designs in this gallery.

ESP32 based dev board, from the project README
From the project README

Main components on the ESP32 based dev board

MCP73871-2CAI_MLBME280ESP32-C3-WROOM-02-H4CP2102N-AXX-XQFN20USBLC6-2SC6W25QXXMAX4466EXK

ESP32 based dev board bill of materials (BOM)

85 components, 42 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
MCP73871-2CAI_ML
Microchip Corp.
U1
1
BME280
U2
1
ESP32-C3-WROOM-02-H4
U3
1
CP2102N-AXX-XQFN20
CP2102N-Axx-xQFN20
U4
1
USBLC6-2SC6
U5
1
W25QXX
W25Q32JVSSIQ
U6
1
MAX4466EXK
U7
1
TEMT6000X01
VISHAY
Q1
2
BC817
Q2, Q3
1
SS-52400-002
BelFuse
J1
1
B2B-PH-SM4-TB
JST
J2
1
GSD090012SEU
Amphenol
J3
1
CONN_01X04_PIN
Conn_01x04_Pin
J4
1
CONN_01X05_PIN
Conn_01x05_Pin
J5
1
0ZCH0110AF2E
F1
1
CMC-5042PF-AC
CUI INC
MK1
2
USLPT2819DT2TR
TE CONNECTIVITY
S1, S2
1
LM1117MPX-3.3
VR1
3
LTST-C170KRKT
LED1, LED4, LED5
2
LTST-C170GKT
LED2, LED6
Show 22 more
QtyPartRefs
1
LTST-C170TBKT
LED3
1
Ferrite_Bead
FB1
13
0.1U
0.1u
C1, C2, C5, C8, C10, C13, C14, C15 +5
4
10U
10u
C3, C4, C7, C12
2
1u
C6, C11
1
4.7U
4.7u
C9
3
10N
10n
C17, C24, C25
1
10U
10u
C19
1
100PF
100pF
C20
7
10K
R1, R2, R19, R23, R32, R33, R34
2
5K1
R3, R4
3
2K
R5, R26, R28
1
20K
R6
6
470
R7, R8, R9, R10, R14, R18
2
1K
R11, R30
1
22K1
R12
1
47K5
R13
4
50
R15, R16, R20, R22
1
35WR100KLFTR
TT Electronics/BI
R17
2
4K7
R24, R25
2
1M
R27, R29
1
22K
R31

ESP32 based dev board design files

The KiCad project lives in the harris8099/Kicad-projects repository on GitHub; these links point at the commit this page was built from.

ESP32 based dev board: common questions

What microcontroller does the ESP32 based dev board use?

The ESP32 based dev board is built around the ESP32-C3-WROOM-02-H4, from the ESP32 family.

How big is the ESP32 based dev board?

The ESP32 based dev board measures 84.5 × 54.8 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the ESP32 based dev board?

85 components, from 42 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 based dev board design files?

From the harris8099/Kicad-projects 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 based dev board design in my own project?

The repository has no license, so all rights stay with harris8099. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the ESP32 based 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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