4 layers51 × 51 mm
ESP32-S3
alisarpaksoy/ESP32-S3-Testboard
Custom ESP32-S3 test board designed in KiCad with USB-C, Si7021 temperature/humidity sensor, Qwiic I2C connector, RGB LED, and GPIO headers.
44 parts
2 layers44.3 × 40.3 mm
Test PCB and code for OTA updates and wireless communication via s3 esp32
- Size
- 44.3 × 40.3 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 36
- Nets
- 58
- Pads
- 175
- Tracks, vias
- 226, 108
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 19 Jul 2026
- Updated
- 19 Jul 2026
Overview
VCU is an open-source printed circuit board by KogantiAnoop, from the KogantiAnoop/OTA-pcb-testing repository on GitHub. It is a 2-layer board of 44.3 × 40.3 mm with 36 parts on 58 nets, routed with 226 tracks and 108 vias.
It is built around the ESP32-S3-WROOM-1-N8, SN65HVD230D and LM1117DT-3.3, with the USBLC6-2SC6 among its other parts. Its parts include 15 resistors, 11 capacitors, 5 ICs, 2 connectors and 1 diode. It belongs with the ESP32 boards of this library.
Main components
4
ESP32-S3-WROOM-1-N8
SMD,25.5x18mm-40℃~+85℃ -98.2dBm 2.4GHz 20.5dBm 355mA 3V~3.6V 95mA Bluetooth5.0 ESP32-S3 Chip On-board PCB Antenna UART、SPI、I2C、I2S、USB SMD,25.5x18mm WiFi Modules ROHSEspressif SystemsWiFi Modules
SN65HVD230D
SOIC-8-40℃~+85℃ 1 17mA 1Mbps 370uA 3V~3.6V CAN Transceiver Low-power mode、Wake-up function、ESD protection、Thermal shutdown protection、Bus fault protection、Hot-swap protection SOIC-8 CAN Transceivers ROHSTexas InstrumentsCAN Transceivers
LM1117DT-3.3
TO-2520℃~+125℃@(Tj) 1 1.2V@(800mA) 15V 3.3V 5mA 75dB@(120Hz) 800mA Fixed Over Current Protection、Over Temperature Protection、Short Circuit Protection Positive TO-252 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSTexas InstrumentsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
USBLC6-2SC6
SOT-23-60.35pF、0.8pF 100nA 150W@8/20us 15V 2 5V 6A@8/20us 6V ESD SOT-23-6 ESD and Surge Protection (TVS/ESD) ROHSUMWESD And Surge Protection (TVS/ESD)
Parts
36| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 100 nF | Capacitor_SMD:C_0805_2012Metric | C1, C2, C4, C5, C6, C9 |
| 5 | 60 | Resistor_SMD:R_0805_2012Metric | R3, R8, R9, R25, R29 |
| 3 | 10uF | Capacitor_SMD:C_0805_2012Metric | C7, C10, C11 |
| 2 | 10k | Resistor_SMD:R_0805_2012Metric | R4, R5 |
| 2 | 11k | Resistor_SMD:R_0805_2012Metric | R10, R12 |
| 2 | 20k | Resistor_SMD:R_0805_2012Metric | R11, R13 |
| 2 | 5.1k | Resistor_SMD:R_0805_2012Metric | R6, R7 |
| 2 | SW_Push | SK's_Components:Button_MJTP1250 | BOOTLOAD, Enable Switch |
| 1 | 100 | Resistor_SMD:R_0805_2012Metric | R15 |
| 1 | 10nF | Capacitor_SMD:C_0805_2012Metric | C3 |
| 1 | 1k | Resistor_SMD:R_0805_2012Metric | R14 |
| 1 | 1uF | Capacitor_SMD:C_0805_2012Metric | C8 |
| 1 | 2x3_Conn | Connector_Molex:Molex_Mini-Fit_Jr_5566-06A2_2x03_P4.20mm_Vertical | J2 |
| 1 | ESP32-S3-WROOM-1 | RF_Module:ESP32-S3-WROOM-1 | U1 |
| 1 | LED | LED_THT:LED_D4.0mm | D1 |
| 1 | LM1117DT-3.3 | Package_TO_SOT_SMD:TO-252-3_TabPin2 | U2 |
| 1 | MCP6001-OT | Package_TO_SOT_SMD:SOT-23-5 | U6 |
| 1 | SN65HVD230 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U3 |
| 1 | USBLC6-2SC6 | SK's_Components:ESD_SOT-23-6 | U4 |
| 1 | USB_C_Receptacle_USB2.0_14P | SK's_Components:USB_C_HRO_TYPE-C-31-M-14 | J3 |
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Questions
How big is the VCU PCB?
It measures 44.3 × 40.3 mm and has 2 copper layers, 1.6 mm thick.
What parts does the VCU use?
36 parts, built around the ESP32-S3-WROOM-1-N8, SN65HVD230D, LM1117DT-3.3 and USBLC6-2SC6. 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 VCU KiCad files?
From the KogantiAnoop/OTA-pcb-testing repository on GitHub, at the commit this page was made from: the board is VCU.kicad_pcb and its schematic VCU.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the VCU design in my own project?
Its repository states no licence, so its author keeps all rights: ask KogantiAnoop before reusing the design.