HardLabs

ESP32-C3-IoT-Embedded-Custom

SarthakDas2006·ESP32-C3-IoT-Embedded-Custom_PCB

ESP32-C3-IoT-Embedded-Custom PCB layout, top view — open source ESP32 board by SarthakDas2006

About the ESP32-C3-IoT-Embedded-Custom PCB

ESP32-C3-IoT-Embedded-Custom is an open source ESP32 PCB design by SarthakDas2006, published on GitHub. It is a 4-layer board measuring 85.7 × 58.1 mm, with 80 components from 43 distinct parts.

Its main chip is the ESP32-C3-WROOM-02-H4, from the ESP32 family. Other key parts include the MCP73871, BME280, CP2102N-Axx-xQFN20, USBLC6-2SC6 and W25Q32JVSSIQ. By type, the board carries 32 resistors, 22 capacitors, 7 ICs, 5 connectors, 3 transistors and 3 LEDs.

It belongs with the iot & wireless, sensors and audio designs in this gallery.

From the project

4-layer ESP32-C3 based custom embedded IoT PCB featuring onboard temperature & humidity, light, and audio sensing, USB Type-C, Li-Po charging, and external flash memory. Designed for smart embedded systems, wireless IoT applications, portable sensing, automation, and edge device prototyping.

- ESP32-C3-WROOM module with onboard antenna - 4-layer PCB stackup - USB Type-C interface - Li-Ion battery charging circuit - Onboard voltage regulation - SD card interface - External SPI flash memory - Temperature and humidity sensor interface - Photo sensor interface - Microphone and amplifier circuitry - Reset and Boot buttons - Ground plane optimization - Decoupling and filtering capacitors - Test points for debugging

ESP32-C3-IoT-Embedded-Custom, from the project README
From the project README

Main components on the ESP32-C3-IoT-Embedded-Custom

MCP73871BME280ESP32-C3-WROOM-02-H4CP2102N-Axx-xQFN20USBLC6-2SC6W25Q32JVSSIQMAX4466EXK

ESP32-C3-IoT-Embedded-Custom bill of materials (BOM)

80 components, 43 distinct parts.

QtyPartRefs
1
MCP73871
U1
1
BME280
U2
1
ESP32-C3-WROOM-02-H4
U3
1
CP2102N-Axx-xQFN20
U4
1
USBLC6-2SC6
U5
1
W25Q32JVSSIQ
U6
1
MAX4466EXK
U7
1
TEMT6000X01
Q1
2
BC817
Q2, Q3
1
SS-52400-003
J1
1
B2B-PH-SM4-TB
J2
1
GSD090012SEU
J3
1
Conn_01x04_Pin
J4
1
Conn_01x05_Pin
J5
1
0ZCH0110AF2E
F1
1
CMC-5042PF-AC
MK1
1
Boot
S1
1
Reset
S2
1
LM1117MPX-3.3
VR1
2
LTST-C170KRKT
LED 4, LED 5
Show 23 more
QtyPartRefs
1
LTST-C170GKT
LED 6
1
LTST-C170KRKT
D1
1
LTST-C170GKT
D2
1
LTST-C170TBKT
D3
10
0.1uF
C1, C2, C5, C8, C10, C13, C14, C15 +2
4
10uF
C3, C4, C7, C12
5
1uF
C6, C11, C19, C21, C22
1
4.7uF
C9
1
10n
C17
1
C
C18
7
10k
R1, R2, R19, R23, R30, R33, R34
2
5k1
R3, R4
3
2k
R5, R26, R28
1
20k
R6
6
470
R7, R8, R9, R10, R14, R18
1
1k
R11
1
22k1
R12
1
47k5
R13
4
50
R15, R16, R20, R22
2
4k7
R24, R25
2
1M
R27, R29
1
100k
R31
1
R
R32

ESP32-C3-IoT-Embedded-Custom design files

The KiCad project lives in the SarthakDas2006/ESP32-C3-IoT-Embedded-Custom_PCB repository on GitHub; these links point at the commit this page was built from.

ESP32-C3-IoT-Embedded-Custom: common questions

What microcontroller does the ESP32-C3-IoT-Embedded-Custom use?

The ESP32-C3-IoT-Embedded-Custom is built around the ESP32-C3-WROOM-02-H4, from the ESP32 family.

How big is the ESP32-C3-IoT-Embedded-Custom PCB?

The ESP32-C3-IoT-Embedded-Custom measures 85.7 × 58.1 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the ESP32-C3-IoT-Embedded-Custom?

80 components, from 43 distinct parts. The full bill of materials is listed on this page.

Where can I download the ESP32-C3-IoT-Embedded-Custom design files?

From the SarthakDas2006/ESP32-C3-IoT-Embedded-Custom_PCB 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-IoT-Embedded-Custom design in my own project?

The repository has no license, so all rights stay with SarthakDas2006. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the ESP32-C3-IoT-Embedded-Custom 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