HardLabs

SENTSOR-ESP32WR32UE

GigaOhms·SENTSOR-ESP32WR32UE

SENTSOR-ESP32WR32UE PCB layout, top view — open source ESP32 board by GigaOhms

About the SENTSOR-ESP32WR32UE PCB

SENTSOR-ESP32WR32UE is an open source ESP32 PCB design by GigaOhms, published on GitHub. It is a 4-layer board measuring 35.6 × 35.6 mm, with 74 components from 44 distinct parts.

Its main chip is the ESP32-WROOM-32UE, from the ESP32 family. Other key parts include the DS3231MZ, XC6220B331MR, BQ27441DRZR-G1B, CN3165 and DW01A. By type, the board carries 22 resistors, 19 capacitors, 11 diodes, 9 ICs, 6 connectors and 3 transistors.

It belongs with the iot & wireless, power & battery and usb & debug tools designs in this gallery.

From the project

Learn KiCad Through a ESP32-micro Compact PCB Design Project

This repository is a learning resource to explore PCB design with KiCad through a practical project: a compact and powerful ESP32-based board. The reference for this project comes from Sentsor Core ESP32-Micro.

- Super compact & powerful, measured only 35.56x35.56mm (1400x1400mil) with 3x10P standard pitch 2.54mm (100mil) pinout, packing all the onboard features. - ESP32-WROOM-32UE, comes with latest ECO V3 Dual Core 32-bit LX6 microprocessor with clock up to 240MHz, ULP co-processor, 520kB SRAM, 16MB flash. - 802.11b/g/n WiFi Connectivity, support mode STA/AP/STA+AP mode with external…

SENTSOR-ESP32WR32UE, from the project README
From the project README

Main components on the SENTSOR-ESP32WR32UE

ESP32-WROOM-32UEDS3231MZXC6220B331MRBQ27441DRZR-G1BCN3165DW01AUSBLC6-2SC6CH340K

SENTSOR-ESP32WR32UE bill of materials (BOM)

74 components, 44 distinct parts.

QtyPartRefs
1
ESP32-WROOM-32UE
U1
1
DS3231MZ
U2
2
XC6220B331MR
U3, U4
1
BQ27441DRZR-G1B
U5
1
CN3165
U6
1
DW01A
U7
1
USBLC6-2SC6
U8
1
CH340K
U9
1
SL8205S
Q1
1
CJ2301
Q2
1
UMH3N
Q3
1
HYC80-TF08-375
J1
3
Conn_01x10_Pin
J2, J3, J4
1
JST_PH 2.0mm
J5
1
TYPEC-304S-ACP16
J6
1
MS621FE
B1
1
BSMD0402L-035
F1
2
SW_Push
SW1, SW2
1
BAT54LP
D1
1
Orange
D2
Show 24 more
QtyPartRefs
1
White
D3
4
SK6812
D4, D5, D6, D7
2
BAT60A
D8, D11
1
Blue
D9
1
Green
D10
8
100nF
C1, C3, C11, C12, C13, C14, C15, C19
1
100nF
C4
4
1uF
C5, C7, C10, C20
2
4.7uF
C6, C8
1
0.47uF
C9
1
100uF/6.3V
C16
1
10uF
C17
1
1uF
C18
8
10k
R1, R2, R3, R4, R5, R6, R7, R8
1
300
R9
4
1k
R10, R14, R16, R17
1
100k
R11
1
10k
R12
1
0.01
R13
1
100
R15
1
3.9k
R18
1
3k
R19
1
1M
R20
2
5.1k
R21, R22

SENTSOR-ESP32WR32UE design files

The KiCad project lives in the GigaOhms/SENTSOR-ESP32WR32UE repository on GitHub; these links point at the commit this page was built from.

SENTSOR-ESP32WR32UE: common questions

What microcontroller does the SENTSOR-ESP32WR32UE use?

The SENTSOR-ESP32WR32UE is built around the ESP32-WROOM-32UE, from the ESP32 family.

How big is the SENTSOR-ESP32WR32UE PCB?

The SENTSOR-ESP32WR32UE measures 35.6 × 35.6 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the SENTSOR-ESP32WR32UE?

74 components, from 44 distinct parts. The full bill of materials is listed on this page.

Where can I download the SENTSOR-ESP32WR32UE design files?

From the GigaOhms/SENTSOR-ESP32WR32UE repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the SENTSOR-ESP32WR32UE design in my own project?

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

Can I test firmware for the SENTSOR-ESP32WR32UE 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.

Similar boards