HardLabs

Card c3

McbeEringi·pcb-stuff·paneled/card-c3/card-c3.kicad_pcb

Card c3 PCB layout, top view — open source ESP32 board by McbeEringi

About the Card c3 PCB

Card c3 is an open source ESP32 PCB design by McbeEringi, published on GitHub under the MIT license. It is a 2-layer board measuring 90.9 × 54.9 mm, with 11 components from 9 distinct parts.

Its main chip is the ESP32-C3-WROOM-02, from the ESP32 family. Other key parts include the LM1117MP-3.3, WS2812C and ESP32-C3-MINI-1. By type, the board carries 4 ICs, 4 connectors and 3 resistors.

Main components on the Card c3

ESP32-C3-WROOM-02LM1117MP-3.3WS2812CESP32-C3-MINI-1

Card c3 bill of materials (BOM)

11 components, 9 distinct parts.

QtyPartRefs
1
ESP32-C3-WROOM-02
U1
1
LM1117MP-3.3
U2
1
WS2812C
U3
1
ESP32-C3-MINI-1
U4
1
USB-C
J1
2
Conn_01x08_Pin
J2, J4
1
Conn_01x01_Pin
J3
1
10k
R1
2
5.1k
R2, R3

Card c3 design files

The KiCad project lives in the McbeEringi/pcb-stuff repository on GitHub; these links point at the commit this page was built from.

Card c3: common questions

What microcontroller does the Card c3 use?

The Card c3 is built around the ESP32-C3-WROOM-02, from the ESP32 family.

How big is the Card c3 PCB?

The Card c3 measures 90.9 × 54.9 mm, has 2 copper layers and is 0.8 mm thick.

How many components are on the Card c3?

11 components, from 9 distinct parts. The full bill of materials is listed on this page.

Where can I download the Card c3 design files?

From the McbeEringi/pcb-stuff repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Card c3 design in my own project?

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

Can I test firmware for the Card c3 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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