ESP32S2 Wemos
About the ESP32S2 Wemos PCB
ESP32S2 Wemos is an open source PCB design by swifty99, published on GitHub under the MIT license. It is a 2-layer board measuring 63.5 × 52.7 mm, with 90 components from 29 distinct parts.
Other key parts include the WeMos_S2_mini and DCDC_1A_Module. By type, the board carries 45 resistors, 18 jumpers, 15 connectors, 4 transistors, 4 capacitors and 2 ICs.
From the project
Handy adapter to make use of all the IO
This is a Kicad project, feel free to improve. Or just upload the pcb file to the manufacturer you like
Main components on the ESP32S2 Wemos
ESP32S2 Wemos bill of materials (BOM)
90 components, 29 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | WeMos_S2_mini | WEMOS_S2_mini | U1 |
| 1 | DCDC_1A_Module | DCDC_1A_module_bonded | U2 |
| 4 | BUK7880-55A | SOT-223-3_TabPin2 | Q1, Q2, Q3, Q4 |
| 1 | FETs | JST_XH_B6B-XH-A_1x06_P2.50mm_Vertical | J1 |
| 1 | A0 | JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J3 |
| 1 | A1 | JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J4 |
| 1 | Conn_01x02_Pin | AMASS_XT30U-M_1x02_P5.0mm_Vertical | J5 |
| 1 | IO36 | JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical | J6 |
| 1 | IO35 | JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical | J7 |
| 1 | IO34 | JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical | J8 |
| 1 | I2C_1 | JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J9 |
| 1 | I2C_2 | JST_XH_B5B-XH-A_1x05_P2.50mm_Vertical | J10 |
| 1 | UART_1 | JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J11 |
| 1 | UART_2 | JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J12 |
| 1 | OUT1 | JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J13 |
| 1 | OUT2 | JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J14 |
| 1 | Conn_01x06_Pin | JST_XH_B6B-XH-A_1x06_P2.50mm_Vertical | J15 |
| 1 | Conn_01x07_Pin | JST_XH_B7B-XH-A_1x07_P2.50mm_Vertical | J16 |
| 5 | 3V3 | SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm | JP1, JP4, JP6, JP8, JP14 |
| 7 | 5V | SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm | JP2, JP5, JP7, JP9, JP10, JP12, JP15 |
Show 9 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | VCC | SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm | JP3, JP13, JP18 |
| 2 | SolderJumper_2_Open | SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm | JP11, JP16 |
| 1 | GND | SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm | JP17 |
| 2 | US1G | D_SMA_Handsoldering | D1, D2 |
| 2 | C | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2 |
| 2 | C_Polarized | CP_Radial_D10.0mm_P3.80mm | C5, C6 |
| 21 | 4k7 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2, R3, R4, R5, R8, R18, R19 +13 |
| 4 | R | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R6, R7, R9, R10 |
| 20 | 100 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R17, R20, R22, R24, R25, R29, R30, R31 +12 |
ESP32S2 Wemos design files
The KiCad project lives in the swifty99/ESP32S2_Wemos_PCB repository on GitHub; these links point at the commit this page was built from.
- LayoutESP32S2_adapter.kicad_pcb
- SchematicESP32S2_adapter.kicad_sch
ESP32S2 Wemos: common questions
How big is the ESP32S2 Wemos PCB?
The ESP32S2 Wemos measures 63.5 × 52.7 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the ESP32S2 Wemos?
90 components, from 29 distinct parts. The full bill of materials is listed on this page.
Where can I download the ESP32S2 Wemos design files?
From the swifty99/ESP32S2_Wemos_PCB repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the ESP32S2 Wemos design in my own project?
Yes, under the terms of its MIT license, which swifty99 chose for the repository.