ESP32-board
About the ESP32-board
ESP32-board is an open source ESP32 PCB design by iwCircuitDesign, published on GitHub. It is a 2-layer board measuring 32 × 91 mm, with 48 components from 20 distinct parts.
Its main chip is the ESP-WROOM-32, from the ESP32 family. Other key parts include the LT1963A_3.3V and FT231X. By type, the board carries 12 resistors, 11 connectors, 11 capacitors, 7 diodes, 3 ICs and 2 fuses.
From the project
ESP32-board kicad project files
Main components on the ESP32-board
ESP32-board bill of materials (BOM)
48 components, 20 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LT1963A_3.3V | SOIC-8_3.9x4.9mm_Pitch1.27mm | U1 |
| 1 | FT231X | FT321X_SSOP | U2 |
| 1 | ESP-WROOM-32 | ESP-WROOM-32 | U3 |
| 1 | USB_A | USB_A | P1 |
| 2 | CONN_01X02 | Pin_Header_Straight_1x02 | P3, P4 |
| 6 | CONN_01X01 | PINTST | P5, P6, P7, P8, P9, P10 |
| 2 | CONN_01X20 | Pin_Header_Straight_1x20 | P11, P12 |
| 2 | FUSE | Fuse_TE5_Littlefuse-395Series | F1, F2 |
| 1 | SW_PUSH | ALPS_SMD_SW | SW1 |
| 1 | SPST | SW_Micro_SPST | SW2 |
| 2 | D | Diode_DO-41_SOD81_Vertical_AnodeUp | D1, D2 |
| 4 | LED | LED_0603 | D3, D5, D6, D7 |
| 1 | D_Schottky | Diode_DO-41_SOD81_Vertical_AnodeUp | D4 |
| 7 | 0.1u | C_Disc_D3_P2.5 | C1, C2, C3, C5, C7, C8, C9 |
| 2 | 100u | C_Radial_D6.3_L11.2_P2.5 | C4, C6 |
| 2 | 47p | C_Disc_D3_P2.5 | C10, C11 |
| 3 | 10k | R1 | R1, R8, R12 |
| 5 | 1k | R1 | R2, R3, R4, R5, R9 |
| 2 | 0 | R_0603_HandSoldering | R6, R7 |
| 2 | 27 | R1 | R10, R11 |
ESP32-board design files
The KiCad project lives in the iwCircuitDesign/ESP32-board repository on GitHub; these links point at the commit this page was built from.
- Layoutesp32_board.kicad_pcb
ESP32-board: common questions
What microcontroller does the ESP32-board use?
The ESP32-board is built around the ESP-WROOM-32, from the ESP32 family.
How big is the ESP32-board?
The ESP32-board measures 32 × 91 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the ESP32-board?
48 components, from 20 distinct parts. The full bill of materials is listed on this page.
Where can I download the ESP32-board design files?
From the iwCircuitDesign/ESP32-board repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the ESP32-board design in my own project?
The repository has no license, so all rights stay with iwCircuitDesign. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the ESP32-board 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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