HardLabs

ESP32 SIFIVE

probe-rs·hive·daughterboard/ESP32_SIFIVE_00/ESP32_SIFIVE_00.kicad_pcb

ESP32 SIFIVE PCB layout, top view — open source ESP32 board by probe-rs

About the ESP32 SIFIVE PCB

ESP32 SIFIVE is an open source ESP32 PCB design by probe-rs, published on GitHub. It is a 4-layer board measuring 67 × 54 mm, with 51 components from 11 distinct parts.

Its main chip is the ESP32-S3-WROOM-1-N8R8, from the ESP32 family. Other key parts include the W25X40CLSNIG, ESP32-S2, LoFive-R1 and QFN50P500X500X90-33N. By type, the board carries 25 capacitors, 19 resistors, 6 ICs and 1 connector.

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

From the project

A Raspberry PI shield for testing probe-rs against many chips & probes.

Main components on the ESP32 SIFIVE

W25X40CLSNIGESP32-S3-WROOM-1-N8R8ESP32-S2LoFive-R1QFN50P500X500X90-33N

ESP32 SIFIVE bill of materials (BOM)

51 components, 11 distinct parts.

QtyPartRefs
2
W25X40CLSNIG
IC1, IC2
1
ESP32-S3-WROOM-1-N8R8
U0
1
ESP32-S2
U1
1
LoFive-R1
U2
1
QFN50P500X500X90-33N
U3
1
m2_keyA_67pin_daughterboard
J1
17
100n
C1, C3, C6, C7, C8, C9, C10, C11 +9
4
1u
C2, C5, C17, C20
4
10u
C4, C14, C15, C19
9
100k
R1, R5, R6, R7, R8, R13, R17, R18 +1
10
10k
R2, R3, R4, R9, R10, R11, R12, R14 +2

ESP32 SIFIVE design files

The KiCad project lives in the probe-rs/hive repository on GitHub; these links point at the commit this page was built from.

ESP32 SIFIVE: common questions

What microcontroller does the ESP32 SIFIVE use?

The ESP32 SIFIVE is built around the ESP32-S3-WROOM-1-N8R8, from the ESP32 family.

How big is the ESP32 SIFIVE PCB?

The ESP32 SIFIVE measures 67 × 54 mm, has 4 copper layers and is 0.8 mm thick.

How many components are on the ESP32 SIFIVE?

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

Where can I download the ESP32 SIFIVE design files?

From the probe-rs/hive repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the ESP32 SIFIVE design in my own project?

The repository has no license, so all rights stay with probe-rs. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the ESP32 SIFIVE 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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