2 layers30 × 60 mm
Capture clip
vaknin/PCB
Hardware ideas to fab-ready PCBs as code: Rust pcbgen on KiCad 10, Freerouting, ESP-IDF firmware with QEMU/Wokwi simulation, CadQuery enclosures
52 parts
2 layers50 × 50 mm
Starter
vaknin/PCBHardware ideas to fab-ready PCBs as code: Rust pcbgen on KiCad 10, Freerouting, ESP-IDF firmware with QEMU/Wokwi simulation, CadQuery enclosures
- Size
- 50 × 50 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 37
- Nets
- 48
- Pads
- 156
- Tracks, vias
- 268, 87
- Pours
- 4
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 29 Sep 2026
- Updated
- 21 Oct 2026
Overview
Starter is an open-source printed circuit board by vaknin, from the vaknin/PCB repository on GitHub. It is a 2-layer board of 50 × 50 mm with 37 parts on 48 nets, routed with 268 tracks and 87 vias.
It is built around the ESP32-S3-WROOM-1-N16R8, SHT40-AD1B-R2 and H5VUT2U, with the LDL1117S33R, CC0805KRX7R9BB104 and CL21B105KBFNNNE among its other parts. Its parts include 8 resistors, 6 capacitors, 4 ICs, 3 diodes and 2 connectors. It belongs with the ESP32 boards of this library.
Main components
12
ESP32-S3-WROOM-1-N16R8
SMD,25.5x18mm-103.5dBm -40℃~+65℃ 2.4GHz 20.5dBm 355mA 3V~3.6V 95mA ESP32-S3R8 On-board PCB Antenna UART、SPI、I2C、GPIO、I2S、USB SMD,25.5x18mm WiFi Modules ROHSEspressif SystemsWiFi Modules
SHT40-AD1B-R2
DFN-4-EP(1.5x1.5)Temperature And Humidity SensorSensirion
H5VUT2U
SOT-23-55℃~+125℃ 0.3pF、0.6pF 16V 200nA 5A@8/20us 5V 80W@8/20us 9V ESD IEC 61000-4-2、IEC 61000-4-5 Unidirectional SOT-23 ESD and Surge Protection (TVS/ESD) ROHShongjiachengESD And Surge Protection (TVS/ESD)
LDL1117S33R
SOT-223-4-40℃~+125℃@(Tj) 1 1.2A 18V 3.3V 500uA 600mV@(1.2A) 60uVrms 87dB@(120Hz) Fixed Over Current Protection、Thermal Shutdown Positive SOT-223-4 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSSTMicroelectronicsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
CC0805KRX7R9BB104
0805100nF 50V X7R ±10% 0805 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHSYAGEOMultilayer Ceramic Capacitors MLCC - SMD/SMTCL21B105KBFNNNE
08051uF 50V X7R ±10% 0805 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHSSamsung Electro-MechanicsMultilayer Ceramic Capacitors MLCC - SMD/SMTCL21A106KAYNNNE
080510uF 25V X5R ±10% 0805 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHSSamsung Electro-MechanicsMultilayer Ceramic Capacitors MLCC - SMD/SMTCL21A226MAQNNNE
080522uF 25V X5R ±20% 0805 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHSSamsung Electro-MechanicsMultilayer Ceramic Capacitors MLCC - SMD/SMT
MF-NSMF075-2
1206-40℃~+85℃ 1.5A 1.6mm 100A 100mΩ 3.2mm 400mΩ 6V 1206 Resettable Fuses ROHSBournsResettable Fuses
TS-1187A-B-A-B
SMD-4P,5.1x5.1mm-30℃~+85℃ 1.5mm 1.6N 100,000 cycles 12V 5.1mm 5.1mm 50mA Gold No Round Button SPST Surface Mount,Vertical Without Bracket SMD-4P,5.1x5.1mm Tactile Switches ROHSXKB ConnectionTactile Switches
SM04B-SRSS-TB
Header SR 1.0 SMT side entry, 1mm pitchJSTUncategorised
SMF5.0A
SOD-123FLESD And Surge Protection (TVS/ESD)hongjiacheng
Parts
37| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | M3 | MountingHole:MountingHole_3.2mm_M3 | H1, H2, H3, H4 |
| 2 | 100n | Capacitor_SMD:C_0805_2012Metric | C4, C6 |
| 2 | 10k | Resistor_SMD:R_0805_2012Metric | R4, R5 |
| 2 | 1k | Resistor_SMD:R_0805_2012Metric | R3, R6 |
| 2 | 1u | Capacitor_SMD:C_0805_2012Metric | C2, C5 |
| 2 | 4.7k | Resistor_SMD:R_0805_2012Metric | R7, R8 |
| 2 | 5.1k | Resistor_SMD:R_0805_2012Metric | R1, R2 |
| 1 | +3V3 | TestPoint:TestPoint_Pad_D1.5mm | TP2 |
| 1 | +5V | TestPoint:TestPoint_Pad_D1.5mm | TP1 |
| 1 | 10u | Capacitor_SMD:C_0805_2012Metric | C1 |
| 1 | 22u | Capacitor_SMD:C_0805_2012Metric | C3 |
| 1 | 750mA | Fuse:Fuse_1206_3216Metric | F1 |
| 1 | BOOT | Button_Switch_SMD:SW_Push_1P1T_XKB_TS-1187A | SW2 |
| 1 | ESP32-S3-WROOM-1-N16R8 | pcbgen:ESP32-S3-WROOM-1_EPAD-Drill0.3 | U1 |
| 1 | GND | TestPoint:TestPoint_Pad_D1.5mm | TP3 |
| 1 | H5VUT2U | Package_TO_SOT_SMD:SOT-23 | U3 |
| 1 | I2C_SCL | TestPoint:TestPoint_Pad_D1.5mm | TP7 |
| 1 | I2C_SDA | TestPoint:TestPoint_Pad_D1.5mm | TP6 |
| 1 | LDL1117S33R | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U2 |
| 1 | Qwiic | Connector_JST:JST_SH_SM04B-SRSS-TB_1x04-1MP_P1.00mm_Horizontal | J2 |
| 1 | RESET | Button_Switch_SMD:SW_Push_1P1T_XKB_TS-1187A | SW1 |
| 1 | SHT40-AD1B | Sensor_Humidity:Sensirion_DFN-4_1.5x1.5mm_P0.8mm_SHT4x_NoCentralPad | U4 |
| 1 | SMF5.0A | Diode_SMD:D_SOD-123F | D3 |
| 1 | UART_RX | TestPoint:TestPoint_Pad_D1.5mm | TP5 |
| 1 | UART_TX | TestPoint:TestPoint_Pad_D1.5mm | TP4 |
| 1 | USB-C | Connector_USB:USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J1 |
| 1 | green | LED_SMD:LED_0805_2012Metric | D1 |
| 1 | red | LED_SMD:LED_0805_2012Metric | D2 |
Questions
How big is the Starter PCB?
It measures 50 × 50 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Starter use?
37 parts, built around the ESP32-S3-WROOM-1-N16R8, SHT40-AD1B-R2, H5VUT2U and LDL1117S33R. 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 Starter KiCad files?
From the vaknin/PCB repository on GitHub, at the commit this page was made from: the board is boards/starter/kicad/starter.kicad_pcb and its schematic boards/capture-clip/kicad/capture-clip.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Starter design in my own project?
Its repository states no licence, so its author keeps all rights: ask vaknin before reusing the design.
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