Espled
About the Espled PCB
Espled is an open source ESP32 PCB design by Matir, published on GitHub under the BSD-2-Clause license. It is a 2-layer board measuring 51.5 × 44 mm, with 32 components from 15 distinct parts.
Its main chip is the ESP32-WROOM-32, from the ESP32 family. Other key parts include the AP2112K-3.3 and 74HCT245. By type, the board carries 11 capacitors, 8 resistors, 6 connectors, 3 ICs, 2 switches and 2 diodes.
From the project
Miscellaneous Hacks
Main components on the Espled
Espled bill of materials (BOM)
32 components, 15 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AP2112K-3.3 | SOT-23-5 | U1 |
| 1 | ESP32-WROOM-32 | ESP32-WROOM-32 | U2 |
| 1 | 74HCT245 | TSSOP-20_4.4x6.5mm_P0.65mm | U3 |
| 1 | SCREW_TERMINAL_01X02 Screw_Terminal_01x02 | TerminalBlock_Phoenix_PT-1,5-2-5.0-H_1x02_P5.00mm_Horizontal | J1 |
| 1 | Barrel_Jack_Switch | BarrelJack_Horizontal | J2 |
| 3 | SCREW_TERMINAL_01X03 Screw_Terminal_01x03 | TerminalBlock_Phoenix_PT-1,5-3-5.0-H_1x03_P5.00mm_Horizontal | J3, J4, J5 |
| 1 | CONN_01X03 Conn_01x03 | PinHeader_1x03_P2.54mm_Horizontal | J7 |
| 2 | SW_Push | SW_SPST_SKQG_WithStem | SW1, SW2 |
| 2 | LED | LED_0603_1608Metric_Castellated | D1, D2 |
| 4 | 0.1U 0.1u | C_0603_1608Metric | C1, C2, C7, C11 |
| 4 | 10U 10u | C_0805_2012Metric | C3, C4, C6, C8 |
| 3 | 1u | C_0603_1608Metric | C5, C9, C10 |
| 4 | 1k | R_0603_1608Metric | R1, R2, R4, R5 |
| 1 | 10K 10k | R_0603_1608Metric | R3 |
| 3 | 330 | R_0603_1608Metric | R6, R7, R8 |
Espled design files
The KiCad project lives in the Matir/hacks repository on GitHub; these links point at the commit this page was built from.
Espled: common questions
What microcontroller does the Espled use?
The Espled is built around the ESP32-WROOM-32, from the ESP32 family.
How big is the Espled PCB?
The Espled measures 51.5 × 44 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Espled?
32 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 Espled design files?
From the Matir/hacks repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Espled design in my own project?
Yes, under the terms of its BSD-2-Clause license, which Matir chose for the repository.
Can I test firmware for the Espled 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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