Espctl
About the Espctl PCB
Espctl 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 46 × 42 mm, with 29 components from 20 distinct parts.
Its main chip is the ESP32-WROOM-32, from the ESP32 family. Other key parts include the AP2112K-3.3. By type, the board carries 10 resistors, 6 transistors, 6 connectors, 3 capacitors, 2 ICs and 1 test point.
From the project
Miscellaneous Hacks
Main components on the Espctl
Espctl bill of materials (BOM)
29 components, 20 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-32D | ESP32-WROOM-32 | U2 |
| 3 | NX3008NBK | SOT-23 | Q1, Q2, Q3 |
| 3 | PMV33UPE | SOT-23 | Q4, Q5, Q6 |
| 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 |
| 1 | SCREW_TERMINAL_01X03 Conn_01x03 | PinHeader_1x03_P2.54mm_Horizontal | J3 |
| 2 | SCREW_TERMINAL_01X03 Screw_Terminal_01x02 | TerminalBlock_Phoenix_PT-1,5-2-5.0-H_1x02_P5.00mm_Horizontal | J4, J5 |
| 1 | Screw_Terminal_01x02 | TerminalBlock_Phoenix_PT-1,5-2-5.0-H_1x02_P5.00mm_Horizontal | J6 |
| 1 | SW_Push | SW_Push_1P1T_NO_Vertical_Wuerth_434133025816 | BOOT0 |
| 1 | TP3v3 | TestPoint_Loop_D1.80mm_Drill1.0mm_Beaded | TP3v3 |
| 2 | 0.1U 1u | C_0603_1608Metric | C1, C2 |
| 1 | 10U 0.1u | C_0603_1608Metric | C3 |
| 1 | 10k | R_0603_1608Metric | R1 |
| 2 | 100 | R_0603_1608Metric | R2, R4 |
| 1 | 10K 100 | R_0603_1608Metric | R3 |
| 2 | 1k | R_0603_1608Metric | R5, R9 |
| 2 | 330 100k | R_0603_1608Metric | R6, R8 |
| 1 | 330 1k | R_0603_1608Metric | R7 |
| 1 | 100k | R_0603_1608Metric | R10 |
Espctl design files
The KiCad project lives in the Matir/hacks repository on GitHub; these links point at the commit this page was built from.
Espctl: common questions
What microcontroller does the Espctl use?
The Espctl is built around the ESP32-WROOM-32, from the ESP32 family.
How big is the Espctl PCB?
The Espctl measures 46 × 42 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Espctl?
29 components, from 20 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 Espctl 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 Espctl 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 Espctl 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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