Esp32-c3-wroom02-development board
Srushti-D-Hebbar·esp32-c3-wroom02-development-board·hardware/esp32-c3-mini.kicad_pcb
About the Esp32-c3-wroom02-development board
Esp32-c3-wroom02-development board is an open source ESP32 PCB design by Srushti-D-Hebbar, published on GitHub under the MIT license. It is a 4-layer board measuring 30.6 × 35.8 mm, with 29 components from 16 distinct parts.
Its main chip is the ESP32-C3-WROOM-02, from the ESP32 family. Other key parts include the USB-UART IC and AP2112K-3.3. By type, the board carries 10 capacitors, 9 resistors, 3 ICs, 3 connectors, 2 switches and 1 crystal.
It belongs with the dev boards & breakouts and power & battery designs in this gallery.
From the project
A custom 4-layer ESP32-C3-WROOM-02 development board designed in KiCad 10 - includes USB-C power/data, schematics, PCB layout, and manufacturing files.
A custom 4-layer development board built around the ESP32-C3-WROOM-02 module, designed from schematic to PCB using KiCad 10. The board provides USB-C power and data connectivity, 3.3 V regulation, boot/reset controls, and GPIO expansion through headers.
- ESP32-C3-WROOM-02 module - USB-C power and data interface - 3.3 V regulated power supply - Boot and Reset buttons - GPIO expansion headers - External crystal oscillator - USB ESD protection - 4-layer PCB with internal GND planes

Main components on the Esp32-c3-wroom02-development board
Esp32-c3-wroom02-development board bill of materials (BOM)
29 components, 16 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | USB-UART IC | SOT-23-6 | U1 |
| 1 | AP2112K-3.3 | SOT-23-5 | U2 |
| 1 | ESP32-C3-WROOM-02 | ESP32-C3-WROOM-02 | U3 |
| 1 | Crystal | Crystal_SMD_3215-2Pin_3.2x1.5mm | Y1 |
| 1 | USB-C | USB_C_Receptacle_G-Switch_GT-USB-7010ASV | J1 |
| 2 | 8-pin header | PinHeader_1x08_P2.54mm_Vertical | J2, J3 |
| 2 | Push Button | SW_SPST_B3U-1000P | SW1, SW2 |
| 1 | PESD5V0L1UL | D_SOD-882D | D1 |
| 5 | 4U7 4u7 | C_0805_2012Metric | C1, C2, C3, C4, C5 |
| 3 | 100N 100n | C_0402_1005Metric | C6, C9, C10 |
| 2 | TBD | C_0201_0603Metric | C7, C8 |
| 2 | 5K1 5k1 | R_0402_1005Metric | R1, R2 |
| 1 | 0R | R_0805_2012Metric | R3 |
| 1 | TBD | R_0201_0603Metric | R4 |
| 4 | 10K 10k | R_0402_1005Metric | R5, R7, R8, R9 |
| 1 | 100K 100k | R_0402_1005Metric | R6 |
Esp32-c3-wroom02-development board design files
The KiCad project lives in the Srushti-D-Hebbar/esp32-c3-wroom02-development-board repository on GitHub; these links point at the commit this page was built from.
Esp32-c3-wroom02-development board: common questions
What microcontroller does the Esp32-c3-wroom02-development board use?
The Esp32-c3-wroom02-development board is built around the ESP32-C3-WROOM-02, from the ESP32 family.
How big is the Esp32-c3-wroom02-development board?
The Esp32-c3-wroom02-development board measures 30.6 × 35.8 mm, has 4 copper layers and is 1 mm thick.
How many components are on the Esp32-c3-wroom02-development board?
29 components, from 16 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-c3-wroom02-development board design files?
From the Srushti-D-Hebbar/esp32-c3-wroom02-development-board 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-c3-wroom02-development board design in my own project?
Yes, under the terms of its MIT license, which Srushti-D-Hebbar chose for the repository.
Can I test firmware for the Esp32-c3-wroom02-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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