HardLabs

Esp32-c3

floitsch·pcb-maker·benchmarks/imported/testing-esp32-duts/esp32-c3/esp32-c3.kicad_pcb

Esp32-c3 PCB layout, top view — open source ESP32 board by floitsch

About the Esp32-c3 PCB

Esp32-c3 is an open source ESP32 PCB design by floitsch, published on GitHub under the MIT license. It is a 2-layer board measuring 65 × 56 mm, with 33 components from 12 distinct parts.

Its main chip is the ESP32-WROOM-32E, from the ESP32 family. Other key parts include the ESP32-C3-WROOM-02. By type, the board carries 20 resistors, 6 capacitors, 4 connectors, 2 ICs and 1 diode.

From the project

Research project for coupled, autonomous PCB placement and routing (Rust, KiCad-gated)

Cross-tool cold-input manifests and their execution contract are documented in competitive/README.md.

Boards from the breadboard fence project (a dense mixed board, 2 and 4 layers, with an issue log and feature targets such as pin swapping and placement constraints) are in fence/README.md.

esp32-c3-ladder/declaration.json is the system pipeline ladder. Rung 0 keeps the generated ESP32-C3 board's 36 footprints, outline, rules, and graphics but marks every schematic pin intentionally unconnected and emits no tracks or vias. The ordered declaration contains all 42 multi-pad electrical nets.…

Main components on the Esp32-c3

ESP32-WROOM-32EESP32-C3-WROOM-02

Esp32-c3 bill of materials (BOM)

33 components, 12 distinct parts.

QtyPartRefs
1
ESP32-WROOM-32E
U1
1
ESP32-C3-WROOM-02
U2
1
SYSTEM / PI 2x20
J1
1
DUT POWER
J2
1
T SERVICE
J3
1
D SERVICE
J4
1
LED
D1
4
100n
C1, C2, C4, C5
2
10u
C3, C6
16
100R
R1, R2, R3, R4, R5, R6, R7, R8 +8
1
1M
R17
3
10k
R18, R19, R20

Esp32-c3 design files

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

Esp32-c3: common questions

What microcontroller does the Esp32-c3 use?

The Esp32-c3 is built around the ESP32-WROOM-32E, from the ESP32 family.

How big is the Esp32-c3 PCB?

The Esp32-c3 measures 65 × 56 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Esp32-c3?

33 components, from 12 distinct parts. The full bill of materials is listed on this page.

Where can I download the Esp32-c3 design files?

From the floitsch/pcb-maker 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-c3 design in my own project?

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

Can I test firmware for the Esp32-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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