2 layers67.8 × 54.5 mm
2 layers31 × 61 mm
ESP32-Dev Kit
graytrace/ESP32-Dev-KitESP32 Dev Kit with Type C Connector
- Size
- 31 × 61 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 35
- Nets
- 70
- Pads
- 234
- Tracks, vias
- 536, 47
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 1 Jul 2025
- Updated
- 1 Jul 2025
Overview
ESP32-Dev Kit is an open-source printed circuit board by graytrace, from the graytrace/ESP32-Dev-Kit repository on GitHub. It is a 2-layer board of 31 × 61 mm with 35 parts on 70 nets, routed with 536 tracks and 47 vias.
It is built around the ESP32-WROOM-32, CP2102N-A02-GQFN28 and AMS1117-3.3, with the SS8050 among its other parts. Its parts include 10 resistors, 9 capacitors, 5 diodes, 3 connectors and 2 ICs. It belongs with the ESP32 boards of this library.
Main components
4
ESP32-WROOM-32
SMD,18x25.5mm-40℃~+85℃ -98dBm 2.4GHz 2.7V~3.6V 20dBm Bluetooth4.2 ESP32-DOWDQ6 UART、SDIO、SPI、I2C、GPIO、PWM、ADC、DAC SMD,25.5x18mm WiFi Modules ROHSEspressif SystemsWiFi Modules
CP2102N-A02-GQFN28
QFN-28-EP(5x5)-40℃~+85℃ 195uA 3V~3.6V 9.5mA USB 2.0 USB to UART QFN-28-EP(5x5) USB Converters ROHSSilicon LabsUSB Converters
AMS1117-3.3
SOT-223-40℃~+125℃ 0.003%Vout 1 1.1V@(800mA) 15V 1A 3.3V 5mA 72dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
SS8050
SOT-323-55℃~+150℃ 1 NPN 1.5A 100MHz 100nA 200 25V 300mW 500mV 5V NPN SOT-23 Bipolar (BJT) ROHSJiangsu Changjing Electronics Technology (CJ)Bipolar (BJT)
Parts
35| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 0.1uF | Capacitor_SMD:C_01005_0402Metric | C4, C5, C6, C8, C9 |
| 3 | 10K | Resistor_SMD:R_01005_0402Metric | R5, R6, R11 |
| 3 | 22uF | Capacitor_SMD:C_0201_0603Metric | C1, C2, C7 |
| 3 | D_TVS | Diode_SMD:D_SOD-523 | D3, D4, D5 |
| 2 | 0R | Resistor_SMD:R_01005_0402Metric | R3, R4 |
| 2 | 2K | Resistor_SMD:R_01005_0402Metric | R1, R7 |
| 2 | Conn_01x19_Pin | Connector_PinHeader_2.54mm:PinHeader_1x19_P2.54mm_Vertical | J1, J2 |
| 2 | SS8050 | Package_TO_SOT_SMD:SOT-23 | Q1, Q2 |
| 2 | SW_Push | Button_Switch_SMD:SW_SPST_B3S-1000 | SW1, SW2 |
| 1 | 22.1K | Resistor_SMD:R_01005_0402Metric | R9 |
| 1 | 4.7uF | Capacitor_SMD:C_01005_0402Metric | C3 |
| 1 | 47.5K | Resistor_SMD:R_01005_0402Metric | R8 |
| 1 | 5.1K | Resistor_SMD:R_01005_0402Metric | R2 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U1 |
| 1 | CP2102N-A02-GQFN28 | CP2102N-A02-GQFN28:QFN50P500X500X80-29N | U3 |
| 1 | D_Schottky | Diode_SMD:D_SOD-323 | D2 |
| 1 | ESP32-WROOM-32 | digikey-footprints:ESP32-WROOM-32D | MOD1 |
| 1 | LED | LED_SMD:LED_0603_1608Metric | D1 |
| 1 | LOGO | Logo:Logo | G*** |
| 1 | USB_C_Plug_USB2.0 | Connector_USB:USB_C_Plug_Molex_105444 | P1 |
Questions
How big is the ESP32-Dev Kit PCB?
It measures 31 × 61 mm and has 2 copper layers, 1.6 mm thick.
What parts does the ESP32-Dev Kit use?
35 parts, built around the ESP32-WROOM-32, CP2102N-A02-GQFN28, AMS1117-3.3 and SS8050. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the ESP32-Dev Kit KiCad files?
From the graytrace/ESP32-Dev-Kit repository on GitHub, at the commit this page was made from: the board is ESP32 Dev Kit.kicad_pcb and its schematic ESP32 Dev Kit.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the ESP32-Dev Kit design in my own project?
Its repository states no licence, so its author keeps all rights: ask graytrace before reusing the design.
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