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ESP32-RS485-Lipo Battery

SushantSaroch13·ESP32-RS485-Lipo_Battery·ESP32-RS485-Lipo_Battery/ESP32-RS485-Lipo_Battery.kicad_pcb

ESP32-RS485-Lipo Battery PCB layout, top view — open source ESP32 board by SushantSaroch13
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About the ESP32-RS485-Lipo Battery PCB

ESP32-RS485-Lipo Battery is an open source ESP32 PCB design by SushantSaroch13, published on GitHub. It is a 4-layer board measuring 75.1 × 60 mm, with 63 components from 33 distinct parts.

Its main chip is the ESP32-C3-WROOM-02-H4, from the ESP32 family. Other key parts include the MCP73871-2AAI_ML, USBLC6-2SC6, MAX485CUA_, W25Q32JVSSIQ and CP2102N-Axx-xQFN20. By type, the board carries 23 resistors, 16 capacitors, 6 ICs, 6 connectors, 6 LEDs and 2 transistors.

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

From the project

A compact ESP32-C3 based embedded controller board designed for IoT and industrial communication applications. The board integrates USB connectivity, external flash memory, RS-485 communication, and Li-Ion battery charging in a compact PCB design.

A compact ESP32-C3 based embedded controller board designed for IoT and industrial communication applications. The board integrates USB connectivity, external flash memory, RS-485 communication, and Li-Ion battery charging in a compact PCB design.

This project demonstrates practical skills in embedded hardware design, PCB layout, and system integration.

Wi-Fi and BLE enabled microcontroller module USB interface for programming and debugging Integrated Li-Ion battery charging circuit RS-485 communication interface External SPI flash memory On-board status LEDs * Boot and Reset buttons

ESP32-RS485-Lipo Battery, from the project README
From the project README

Main components on the ESP32-RS485-Lipo Battery

MCP73871-2AAI_MLUSBLC6-2SC6MAX485CUA_W25Q32JVSSIQCP2102N-Axx-xQFN20ESP32-C3-WROOM-02-H4

ESP32-RS485-Lipo Battery bill of materials (BOM)

63 components, 33 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
MCP73871-2AAI_ML
U1
1
USBLC6-2SC6
U2
1
MAX485CUA_
U3
1
W25Q32JVSSIQ
U4
1
CP2102N-Axx-xQFN20
U5
1
ESP32-C3-WROOM-02-H4
U6
2
BC817-40
Q1, Q2
1
SS-52400-002
J1
1
B2B-PH-SM4-TB
J2
1
1725656
J3
1
Conn_01x04_Pin
J4
1
Conn_01x05_Pin
J5
1
GSD090012SEU
J6
1
0ZCH0110AF2E
F1
1
BOOT
S1
1
RESET
S2
1
LM1117MPX-3.3_NOPB
VR1
3
LTST-C170KRKT
LED1, LED4, LED6
2
LTST-C170KGKT
LED2, LED5
1
LTST-C170TBKT
LED3
Show 13 more
QtyPartRefs
6
0.1u
C1, C3, C4, C7, C10, C16
4
1u
C2, C9, C13, C14
4
10u
C5, C6, C8, C15
1
4.7u
C11
1
0.1u
C12
2
5K1
R1, R2
6
10k
R3, R9, R12, R19, R20, R21
6
470
R4, R5, R6, R10, R16, R17
2
2k
R7, R8
4
50
R11, R18, R22, R23
1
1k
R13
1
22k1
R14
1
47k5
R15

ESP32-RS485-Lipo Battery design files

The KiCad project lives in the SushantSaroch13/ESP32-RS485-Lipo_Battery repository on GitHub; these links point at the commit this page was built from.

ESP32-RS485-Lipo Battery: common questions

What microcontroller does the ESP32-RS485-Lipo Battery use?

The ESP32-RS485-Lipo Battery is built around the ESP32-C3-WROOM-02-H4, from the ESP32 family.

How big is the ESP32-RS485-Lipo Battery PCB?

The ESP32-RS485-Lipo Battery measures 75.1 × 60 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the ESP32-RS485-Lipo Battery?

63 components, from 33 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the ESP32-RS485-Lipo Battery design files?

From the SushantSaroch13/ESP32-RS485-Lipo_Battery repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the ESP32-RS485-Lipo Battery design in my own project?

The repository has no license, so all rights stay with SushantSaroch13. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the ESP32-RS485-Lipo Battery 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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