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CUSTOM-ESP32-C3-MINI

sasukeop108·CUSTOM-ESP32-C3-MINI·PCB/custom-esp32-c3.kicad_pcb

CUSTOM-ESP32-C3-MINI PCB layout, top view — open source ESP32 board by sasukeop108
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About the CUSTOM-ESP32-C3-MINI PCB

CUSTOM-ESP32-C3-MINI is an open source ESP32 PCB design by sasukeop108, published on GitHub under the MIT license. It is a 2-layer board measuring 25.2 × 50.8 mm, with 42 components from 24 distinct parts.

Its main chip is the ESP32-C3-WROOM-02, from the ESP32 family. Other key parts include the AP2112K-3.3 and TP4056-42-ESOP8. By type, the board carries 12 capacitors, 12 resistors, 7 diodes, 4 connectors, 3 ICs and 2 switches.

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

From the project

- BOM Name: bom-JLCPCB Assembly Order (7) - PCB Assembled Qty: 2 - Est. Total Price: $12.7414 - Download Time: 2026-05-02 21:22:55

CUSTOM-ESP32-C3-MINI, from the project README
From the project README

Main components on the CUSTOM-ESP32-C3-MINI

ESP32-C3-WROOM-02AP2112K-3.3TP4056-42-ESOP8

CUSTOM-ESP32-C3-MINI bill of materials (BOM)

42 components, 24 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ESP32-C3-WROOM-02
U1
1
AP2112K-3.3
U3
1
TP4056-42-ESOP8
U4
1
Crystal
Y1
1
USB_C_RECEPTACLE_USB2.0_16P
USB_C_Receptacle_USB2.0_16P
J1
1
BATTERYJST
J2
2
CONN_01X08_PIN
Conn_01x08_Pin
J3, J4
1
R
1k1
2
SW_Push
SW1, SW2
3
LED
D2, D3, D4
2
D_Schottky
D5, D6
2
D_TVS_Small
D7, D8
4
47UF
47uF
C1, C2, C3, C4
2
0.1UF
0.1uF
C5, C6
2
12PF
12pF
C7, C8
2
100NF
100nF
C9, C10
2
10UF
10uF
C11, C12
2
5.1K
5.1k
R1, R2
1
R
R3
1
10M
R4
Show 4 more
QtyPartRefs
1
100K
100k
R5
4
10K
10k
R6, R7, R8, R9
1
1.2K
1.2k
R11
2
1k
R12, R14

CUSTOM-ESP32-C3-MINI design files

The KiCad project lives in the sasukeop108/CUSTOM-ESP32-C3-MINI repository on GitHub; these links point at the commit this page was built from.

CUSTOM-ESP32-C3-MINI: common questions

What microcontroller does the CUSTOM-ESP32-C3-MINI use?

The CUSTOM-ESP32-C3-MINI is built around the ESP32-C3-WROOM-02, from the ESP32 family.

How big is the CUSTOM-ESP32-C3-MINI PCB?

The CUSTOM-ESP32-C3-MINI measures 25.2 × 50.8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the CUSTOM-ESP32-C3-MINI?

42 components, from 24 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 CUSTOM-ESP32-C3-MINI design files?

From the sasukeop108/CUSTOM-ESP32-C3-MINI 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 CUSTOM-ESP32-C3-MINI design in my own project?

Yes, under the terms of its MIT license, which sasukeop108 chose for the repository.

Can I test firmware for the CUSTOM-ESP32-C3-MINI 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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