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2 layersArsh Dev X1, the printed circuit board in 3D

A custom ESP32-S3 development board built from scratch. Designed to be the ultimate all-purpose platform for makers, students, robotics, IoT, sensors, displays, and hardware-software projects.

Copper layers
2
Thickness
1.6 mm
Parts
20
Nets
44
Pads
157
Tracks, vias
301, 60
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
21 Jun 2026
Updated
22 Jun 2026

Overview

Arsh Dev X1 is an open-source printed circuit board by Arsh-Pathan, from the Arsh-Pathan/Arsh-Dev-X1 repository on GitHub. It is a 2-layer board with 20 parts on 44 nets, routed with 301 tracks and 60 vias.

It is built around the ESP32-S3-WROOM-1-N8 and ME6211C33M5G-N. Its parts include 6 resistors, 5 connectors, 3 capacitors, 2 ICs and 2 diodes. It belongs with the microcontroller boards boards and the ESP32 boards of this library.

Main components

2

README

README.md

Arsh Dev X1

A custom ESP32-S3 development board designed and built from scratch by Arsh.

Overview

Arsh Dev X1 is a general-purpose ESP32-S3 development board focused on embedded development, IoT projects, rapid prototyping, and hardware experimentation.

The board provides native USB-C connectivity, GPIO breakout headers, onboard power regulation, boot/reset controls, OLED display support, and status LEDs in a compact and easy-to-use form factor.

Features

  • ESP32-S3-WROOM-1 Module
  • USB Type-C Connectivity
  • Native USB Programming
  • 3.3V LDO Power Regulation (ME6211C33M5)
  • Boot Button
  • Reset Button
  • Power Status LED
  • OLED Display Header
  • Dual GPIO Breakout Headers
  • 2-Layer PCB Design
  • Designed in KiCad 10

Hardware Specifications

ComponentDescription
MCUESP32-S3-WROOM-1
USBUSB Type-C
RegulatorME6211C33M5 3.3V LDO
Display SupportI2C OLED
GPIO HeadersDual 1x15 Headers
PCB Layers2
Voltage3.3V Logic

Pin Assignments

OLED Header

SignalGPIO
SDAGPIO46
SCLGPIO47

LEDs

SignalGPIO
Status LEDGPIO48

Project Status

Current Revision:

text
Rev A

Status:

text
🚧 In Development

Completed:

  • Schematic Design
  • ERC Validation
  • Footprint Assignment
  • Initial PCB Layout
  • Initial Routing

In Progress:

  • PCB Routing
  • Design Rule Verification
  • Prototype Manufacturing

Repository Structure

text
/
├── Arsh Dev X1.kicad_pro
├── Arsh Dev X1.kicad_sch
├── Arsh Dev X1.kicad_pcb
├── docs/
└── README.md

Design Goals

  • Beginner Friendly
  • General Purpose
  • Expandable
  • Open Source
  • Easy Manufacturing
  • Compatible with Common ESP32 Workflows

Software Support

  • Arduino IDE
  • PlatformIO
  • ESP-IDF
  • MicroPython

Future Plans

Rev B

  • Improved PCB Layout
  • Better Silkscreen
  • Optional OLED Mounting
  • RGB Status LED
  • Additional Power Options

Rev C

  • Integrated Display
  • Advanced Expansion Headers
  • Enhanced Debugging Features

License

Open-source hardware project.

Author

Arsh Pathan

GitHub: https://github.com/Arsh-Pathan


Built with KiCad and a lot of patience.

Parts

20
QtyValueFootprintReferences
31uFCapacitor_SMD:C_0805_2012MetricC12, C14, C15
210kResistor_SMD:R_0805_2012MetricR6, R7
2330Resistor_SMD:R_0805_2012MetricR10, R11
25.1kResistor_SMD:R_0805_2012MetricR8, R9
2Conn_01x04_SocketConnector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_VerticalJ4, J5
2Conn_01x15_PinConnector_PinHeader_2.54mm:PinHeader_1x15_P2.54mm_VerticalJ1, J3
2LEDLED_SMD:LED_0805_2012MetricD1, D2
2SW_PushButton_Switch_SMD:SW_SPST_TL3342SW3, SW4
1ESP32-S3-WROOM-1RF_Module:ESP32-S3-WROOM-1U3
1ME6211C33M5Package_TO_SOT_SMD:SOT-23-5U4
1USB_C_Receptacle_USB2.0_14PConnector_USB:USB_C_Receptacle_HRO_TYPE-C-31-M-12J2

Questions

What parts does the Arsh Dev X1 use?

20 parts, built around the ESP32-S3-WROOM-1-N8 and ME6211C33M5G-N. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Arsh Dev X1 KiCad files?

From the Arsh-Pathan/Arsh-Dev-X1 repository on GitHub, at the commit this page was made from: the board is Arsh Dev X1.kicad_pcb and its schematic Arsh Dev X1.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Arsh Dev X1 design in my own project?

Its repository states no licence, so its author keeps all rights: ask Arsh-Pathan before reusing the design.

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