Esp32s3-main v1
About the Esp32s3-main v1 PCB
Esp32s3-main v1 is an open source ESP32 PCB design by Netetra, published on GitHub. It is a 4-layer board measuring 34 × 56 mm, with 22 components from 15 distinct parts.
Its main chip is the XIAO-ESP32-S3-SMD, from the ESP32 family. Other key parts include the MCP2562-E-SN, USBLC6-2SC6 and CH340N. By type, the board carries 6 capacitors, 6 resistors, 5 ICs, 4 connectors and 1 diode.
Main components on the Esp32s3-main v1
Esp32s3-main v1 bill of materials (BOM)
22 components, 15 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | XIAO-ESP32-S3-SMD | XIAO-ESP32-S3-SMD | U1 |
| 1 | MCP2562-E-SN | SOIC-8_3.9x4.9mm_P1.27mm | U2 |
| 2 | USBLC6-2SC6 | SOT-23-6 | U3, U4 |
| 1 | CH340N | JEITA_SOIC-8_3.9x4.9mm_P1.27mm | U5 |
| 1 | PowerSupply & Programming | USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_Horizontal | J1 |
| 1 | CAN | JST_XH_S4B-XH-A_1x04_P2.50mm_Horizontal | J2 |
| 1 | Controller | USB_A_Molex_67643_Horizontal | J3 |
| 1 | GPIO | JST_XH_B9B-XH-A_1x09_P2.50mm_Vertical | J4 |
| 1 | LED | LED_0603_1608Metric | D1 |
| 5 | 0.1UF 0.1uF | C_0603_1608Metric | C1, C2, C3, C4, C5 |
| 1 | 100UF 100uF | CP_Radial_D6.3mm_P2.50mm | C6 |
| 2 | 5.1kΩ | R_0603_1608Metric | R1, R2 |
| 1 | 120Ω | R_0603_1608Metric | R3 |
| 2 | 22Ω | R_0603_1608Metric | R4, R5 |
| 1 | 1kΩ | R_0603_1608Metric | R6 |
Esp32s3-main v1 design files
The KiCad project lives in the Netetra/kicad-archive repository on GitHub; these links point at the commit this page was built from.
Esp32s3-main v1: common questions
What microcontroller does the Esp32s3-main v1 use?
The Esp32s3-main v1 is built around the XIAO-ESP32-S3-SMD, from the ESP32 family.
How big is the Esp32s3-main v1 PCB?
The Esp32s3-main v1 measures 34 × 56 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Esp32s3-main v1?
22 components, from 15 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 Esp32s3-main v1 design files?
From the Netetra/kicad-archive 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 Esp32s3-main v1 design in my own project?
The repository has no license, so all rights stay with Netetra. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Esp32s3-main v1 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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