ESP
About the ESP PCB
ESP is an open source ESP32 PCB design by MurilloHorvath, published on GitHub under the MIT license. It is a 2-layer board measuring 152.2 × 93.3 mm, with 72 components from 40 distinct parts.
Its main chip is the ESP32-WROOM-32E, from the ESP32 family. Other key parts include the SP3485EN, TPS62822DLC, CP2102N-Axx-xQFN28, DS3231MZ and TP4056-42-ESOP8. By type, the board carries 22 resistors, 19 capacitors, 9 diodes, 8 ICs, 8 connectors and 3 transistors.
From the project
Projetos utilizando o software KiCad
Repositório com proprosito de anexar meus projetos utilizando o software KiCAD
Main components on the ESP
ESP bill of materials (BOM)
72 components, 40 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SP3485EN | SOIC-8_3.9x4.9mm_P1.27mm | U1 |
| 1 | TPS62822DLC | Texas_VSON-HR-8_1.5x2mm_P0.5mm | U2 |
| 1 | CP2102N-Axx-xQFN28 | QFN-28-1EP_5x5mm_P0.5mm_EP3.35x3.35mm_ThermalVias | U3 |
| 1 | DS3231MZ | SOIC-16_3.9x9.9mm_P1.27mm | U4 |
| 1 | TP4056-42-ESOP8 | SOIC-8_3.9x4.9mm_P1.27mm | U5 |
| 1 | CR2013-MI2120 | CR2013-MI2120 | U6 |
| 1 | ESP32-WROOM-32E | ESP32-WROOM-32E | U7 |
| 1 | XPT2046QF | QFN-16-1EP_4x4mm_P0.65mm_EP2.1x2.1mm | U8 |
| 2 | BC846 | SOT-23 | Q1, Q2 |
| 1 | BC547 | TO-92_Inline | Q3 |
| 1 | USB_C_Receptacle_USB2.0_16P | USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_Horizontal | J1 |
| 4 | Conector RS485 | PinHeader_1x03_P2.54mm_Vertical | J2, J3, J4, J5 |
| 1 | Micro_SD_Card | microSD_HC_Molex_104031-0811 | J6 |
| 1 | Conector da Bateria | JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J7 |
| 1 | Conector Buzzer | JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J8 |
| 1 | CR2032 | BatteryHolder_Keystone_103_1x20mm | BT1 |
| 1 | MF-MSMF050 | Fuse_1206_3216Metric | F1 |
| 1 | LED RED | LED_0603_1608Metric | D1 |
| 1 | USBLC6-2SC6 | SOT-23-6 | D2 |
| 1 | SM712_SOT23 | SOT-23 | D3 |
Show 20 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LED GREEN | LED_0603_1608Metric | D4 |
| 2 | SS34 | D_SMA | D5, D7 |
| 2 | LED | LED_0603_1608Metric | D6, D8 |
| 1 | 1N4148W | D_DO-35_SOD27_P12.70mm_Horizontal | D9 |
| 1 | 2.2uH | L_0805_2012Metric | L1 |
| 3 | 10uF | C_0805_2012Metric | C1, C2, C15 |
| 2 | 22pF | C_0603_1608Metric | C3, C4 |
| 9 | 100nF | C_0603_1608Metric | C5, C8, C9, C11, C12, C13, C14, C16 +1 |
| 1 | 4.7uF | C_0603_1608Metric | C6 |
| 1 | 22uF | C_0805_2012Metric | C7 |
| 3 | 1uF | C_0603_1608Metric | C10, C17, C18 |
| 1 | 1M | R_0603_1608Metric | R1 |
| 6 | 1K | R_0603_1608Metric | R2, R9, R11, R15, R16, R22 |
| 2 | 5.1K | R_0603_1608Metric | R3, R4 |
| 2 | 560 | R_0603_1608Metric | R5, R6 |
| 1 | 22.1K | R_0603_1608Metric | R7 |
| 1 | 47.5K | R_0603_1608Metric | R8 |
| 2 | 4.7K | R_0603_1608Metric | R10, R12 |
| 6 | 10K | R_0603_1608Metric | R13, R14, R18, R19, R20, R21 |
| 1 | 2K | R_0603_1608Metric | R17 |
ESP design files
The KiCad project lives in the MurilloHorvath/KiCad repository on GitHub; these links point at the commit this page was built from.
ESP: common questions
What microcontroller does the ESP use?
The ESP is built around the ESP32-WROOM-32E, from the ESP32 family.
How big is the ESP PCB?
The ESP measures 152.2 × 93.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the ESP?
72 components, from 40 distinct parts. The full bill of materials is listed on this page.
Where can I download the ESP design files?
From the MurilloHorvath/KiCad repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the ESP design in my own project?
Yes, under the terms of its MIT license, which MurilloHorvath chose for the repository.
Can I test firmware for the ESP 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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