HardLabs

ESP32-IoT-Development-Board

riteshsalikeripatil·ESP32-IoT-Development-Board·Hardware/ESP32_4_layers.kicad_pcb

ESP32-IoT-Development-Board layout, top view — open source ESP32 board by riteshsalikeripatil
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About the ESP32-IoT-Development-Board

ESP32-IoT-Development-Board is an open source ESP32 PCB design by riteshsalikeripatil, published on GitHub under the MIT license. It is a 4-layer board measuring 88.7 × 55.6 mm, with 85 components from 43 distinct parts.

Its main chip is the ESP32-C3-WROOM-02-H4, from the ESP32 family. Other key parts include the MCP73871-4CCI/ML, LM1117MPX-3.3/NOPB, CP2102N-A02-GQFN20, USBLC6-2SC6 and W25Q32JVSSIQ. By type, the board carries 33 resistors, 25 capacitors, 8 ICs, 6 diodes, 5 connectors and 3 transistors.

It belongs with the iot & wireless, dev boards & breakouts and power & battery designs in this gallery.

From the project

Custom ESP32 IoT Development Board designed in KiCad.

This repository contains the complete hardware design of a custom ESP32-C3 Multi-Purpose Development Board developed using KiCad 9.

The board integrates USB Type-C connectivity, LiPo battery charging, MicroSD storage, environmental sensing, microphone input, external flash memory, and GPIO expansion into a compact 4-layer PCB suitable for embedded systems, IoT applications, and rapid prototyping.

ESP32-IoT-Development-Board, from the project README
From the project README

Main components on the ESP32-IoT-Development-Board

MCP73871-4CCI/MLLM1117MPX-3.3/NOPBESP32-C3-WROOM-02-H4CP2102N-A02-GQFN20USBLC6-2SC6W25Q32JVSSIQBME280MAX4466EXK+T

ESP32-IoT-Development-Board bill of materials (BOM)

85 components, 43 distinct parts.

QtyPartRefs
1
MCP73871-4CCI/ML
MCP73871
U1
1
LM1117MPX-3.3/NOPB
LM1117MPX-3.3_NOPB
U2
1
ESP32-C3-WROOM-02-H4
U3
1
CP2102N-A02-GQFN20
U4
1
USBLC6-2SC6
U5
1
W25Q32JVSSIQ
U6
1
BME280
U7
1
MAX4466EXK+T
U8
1
TEMT6000X01
Q1
2
BC817
Q2, Q3
1
USB_C_Receptacle
J1
1
?
JST_2mm_LiPo
J2
1
GSD090012SEU
J3
1
B4B-XH-AM
J4
1
Conn_01x05
J6
1
0ZCH0110AF2E
F1
1
CMC-5042PF-AC
MK1
2
1101NE
SW1, SW2
3
LTST-C170KRKT
Red
D1, D4, D6
2
LTST-C170GKT
Green
D2, D5
Show 23 more
QtyPartRefs
1
LTST-C170TBKT
Blue
D3
1
FBMJ2125HM330-T
FB1
12
0.1u
C1, C2, C5, C8, C10, C13, C14, C15 +4
4
T491A106K010AT7280
10u
C3, C4, C7, C12
3
1u
C6, C11, C22
1
T491A106K010AT7280
4.7u
C9
3
10n
C17, C24, C25
1
10u
C19
1
100p
C20
7
10K
R1, R2, R19, R23, R32, R33, R34
2
5k1
R3, R4
3
2K
R5, R26, R28
1
20K
R6
3
470
R7, R8, R9
3
330
R10, R14, R18
2
1K
R11, R30
1
22K1
R12
1
47K5
R13
4
50
R15, R16, R20, R22
1
35WR100KLFTR
R17
2
4K7
R24, R25
2
1M
R27, R29
1
22K
R31

ESP32-IoT-Development-Board design files

The KiCad project lives in the riteshsalikeripatil/ESP32-IoT-Development-Board repository on GitHub; these links point at the commit this page was built from.

ESP32-IoT-Development-Board: common questions

What microcontroller does the ESP32-IoT-Development-Board use?

The ESP32-IoT-Development-Board is built around the ESP32-C3-WROOM-02-H4, from the ESP32 family.

How big is the ESP32-IoT-Development-Board?

The ESP32-IoT-Development-Board measures 88.7 × 55.6 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the ESP32-IoT-Development-Board?

85 components, from 43 distinct parts. The full bill of materials is listed on this page.

Where can I download the ESP32-IoT-Development-Board design files?

From the riteshsalikeripatil/ESP32-IoT-Development-Board repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the ESP32-IoT-Development-Board design in my own project?

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

Can I test firmware for the ESP32-IoT-Development-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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